{"cik":831547,"entityName":"SPECTRUM PHARMACEUTICALS 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":"2011-07-29","val":53197879,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-10-19","val":57407424,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2012-02-16","val":59271035,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-04-20","val":59522442,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-07-18","val":60243835,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-10-26","val":59543333,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2013-02-15","val":60157023,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-02-15","val":60157023,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2013-04-29","val":60026805,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-04-29","val":60026805,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-08-05","val":63307719,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-08-05","val":63307719,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-11-14","val":63879714,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2014-02-28","val":65287782,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2014-04-28","val":65582245,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-07-31","val":65731956,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":65760456,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2015-02-28","val":66871240,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2015-04-30","val":66995054,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":67311366,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-10-31","val":67339944,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2016-02-29","val":68163483,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2016-04-29","val":69220610,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-07-28","val":80216716,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-10-31","val":80557934,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2017-02-28","val":80252585,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2017-04-24","val":80412251,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-07-28","val":84502205,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-10-31","val":100662238,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2018-02-15","val":102714556,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2018-04-30","val":104055102,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-07-31","val":105958838,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-10-31","val":106913392,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2019-02-21","val":111049989,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2019-04-30","val":111963467,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-07-31","val":112855657,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-10-31","val":112973294,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2020-02-21","val":113689862,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2020-04-30","val":116468472,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-08-05","val":145733557,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-10-31","val":145922206,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2021-03-24","val":153728336,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2021Q1I"},{"end":"2021-05-10","val":161520572,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2021-08-06","val":164071943,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-11-08","val":163956341,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2022-03-10","val":177151513,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2022Q1I"},{"end":"2022-05-09","val":180087219,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2022-08-08","val":188164186,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-11-07","val":203205510,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2023-03-22","val":205301402,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2023Q1I"},{"end":"2023-04-28","val":205284506,"accn":"0001193125-23-130584","fy":2022,"fp":"FY","form":"10-K/A","filed":"2023-05-01"},{"end":"2023-05-09","val":205261531,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11"}]}},"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":"2010-06-30","val":189068452,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-06-30","val":189068452,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q2I"},{"end":"2011-06-30","val":476678158,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011Q2I"},{"end":"2012-06-30","val":783502234,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-06-30","val":783502234,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q2I"},{"end":"2013-06-30","val":449722900,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q2I"},{"end":"2014-06-30","val":534392193,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q2I"},{"end":"2015-06-30","val":459959918,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q2I"},{"end":"2016-06-30","val":424190348,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q2I"},{"end":"2017-06-30","val":494803193,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q2I"},{"end":"2018-06-29","val":1786580557,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q2I"},{"end":"2019-06-28","val":600699845,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q2I"},{"end":"2020-06-30","val":246663071,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q2I"},{"end":"2021-06-30","val":353900000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q2I"},{"end":"2022-06-30","val":115400000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-06-30","val":115400000,"accn":"0001193125-23-130584","fy":2022,"fp":"FY","form":"10-K/A","filed":"2023-05-01","frame":"CY2022Q2I"}]}}},"us-gaap":{"AccountsAndNotesReceivableNet":{"label":"Accounts and Financing Receivable, after Allowance for Credit Loss","description":"Amount, after allowance for credit loss, of accounts and financing receivable. Includes, but is not limited to, notes and loan receivable.","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1500000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1500000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1500000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1512000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1513000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1515000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"}]}},"AccountsPayableAndAccruedLiabilitiesCurrent":{"label":"Accounts Payable and Accrued Liabilities, Current","description":"Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.","units":{"USD":[{"end":"2019-12-31","val":54284000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":38105000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent":{"label":"Accounts Payable and Accrued Liabilities","description":"Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.","units":{"USD":[{"end":"2019-12-31","val":20523000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2019-12-31","val":20523000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2019-12-31","val":20523000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2019-12-31","val":20523000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2019Q4I"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2020-12-31","val":7842000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":7419000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":7113000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":6617000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":6568000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":6568000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":6568000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":6568000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":6568000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":6269000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":6254000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":6254000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":3715000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"AccountsPayableAndOtherAccruedLiabilities":{"label":"Accounts Payable and Other Accrued Liabilities","description":"Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.","units":{"USD":[{"end":"2010-12-31","val":38704000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":38704000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":38704000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":56539000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":50054000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":54771000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":54771000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":54771000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":54771000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":54771000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":56618000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":89610000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":93289000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":95297000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":95297000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":95297000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":93811000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":105252000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":82653000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":85249000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":71320000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":79837000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":79837000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":79837000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":79837000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":79837000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":71414000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":69178000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":101801000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":84994000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":84994000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":84994000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":84994000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":84994000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":82153000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":71823000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":79264000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":56539000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":56539000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":56539000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":56539000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":56539000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":47503000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":48208000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":49977000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":52483000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":52483000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":52483000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":52483000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":52483000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":48228000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":55617000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":49635000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":58117000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":58117000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":58117000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":58117000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":58117000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":50927000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":49886000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":57633000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":69460000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":69460000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":69460000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":69460000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":81312000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":60302000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":44455000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":39959000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":54284000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":54284000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":54284000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":54284000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":54284000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":49130000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":49684000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":52985000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":42412000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":50295000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":48982000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":32575000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":33123000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":42011000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":38105000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":38105000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":35379000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AccountsPayableAndOtherAccruedLiabilitiesCurrent":{"label":"Accounts Payable and Other Accrued Liabilities, Current","description":"Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2019-12-31","val":54284000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":54284000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q4I"},{"end":"2020-06-30","val":49684000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":52985000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":43771000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q4I"},{"end":"2021-03-31","val":42412000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":50295000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":48982000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":41258000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q4I"},{"end":"2022-03-31","val":32575000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":33123000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":42011000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":38105000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":35379000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AccountsPayableTradeCurrent":{"label":"Accounts Payable, Trade, Current","description":"Carrying value as of the balance sheet date of obligations 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":"2011-12-31","val":9805000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":9805000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":9805000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-06-30","val":20942000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":23886000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":34352000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":34352000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":34352000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":30814000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":30814000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":36201000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":32972000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":22958000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":12796000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":12796000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":12796000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":12796000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":12796000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8824000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":7620000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":29140000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":8994000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":24571000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":24571000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":24571000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":24571000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":22386000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":18180000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":30764000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":26684000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":26684000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":26684000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":26684000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":26684000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":31922000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":29912000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":27180000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":30488000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":30488000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":30488000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":30488000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":30488000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":27719000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":30969000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":25464000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":33648000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":33648000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":33648000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":33648000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":33648000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29549000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":29370000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":35535000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":44919000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":44919000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":44919000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":44919000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":44919000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":41788000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":33593000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":30321000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":32012000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":32012000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":32012000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":32012000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":32012000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":26937000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":28068000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":32047000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":34385000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":34385000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":34385000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":34385000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":34385000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":33578000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":41863000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":40914000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":33408000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":33408000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":33408000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":33408000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":33408000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":25305000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":26154000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":35005000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":30547000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":30547000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":22787000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":21051000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":21051000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":21051000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":46471000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":47766000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":51703000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":51703000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":51703000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":51703000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":51703000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":55380000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":84839000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":90943000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":92169000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":92169000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":92169000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":92169000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":92169000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":39432000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":52379000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":54923000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":49483000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":49483000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":49483000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":49483000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":49483000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":54007000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":56742000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":60085000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":70758000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":70758000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":70758000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":70758000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":70758000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":68755000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":41684000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":48150000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":30384000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":30384000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":30384000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":30384000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":30384000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":19248000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":34319000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":42466000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":39782000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":39782000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":39782000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":39782000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":39782000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":39488000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":41977000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":37767000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":32260000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":32260000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":32260000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":32260000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":32260000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":33375000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":27658000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":29485000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":29873000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":29873000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":29873000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":29873000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":29873000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":14936000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2542000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":483000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":441000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":441000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":441000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":441000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":441000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":435000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":441000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":453000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":67000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":67000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":67000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":67000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":67000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":64000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":12996000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":12996000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":32755000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AccretionAmortizationOfDiscountsAndPremiumsInvestments":{"label":"Accretion (Amortization) of Discounts and Premiums, Investments","description":"The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":9651000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":331000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":331000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":348000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":348000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":205000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":431000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":29000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-23000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":-84000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":-220000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-220000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-393000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-393000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-12-31","val":467000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":141000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"AccretionOfDiscount":{"label":"Accretion of Discount (Deprecated 2016-01-31)","description":"Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":43000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":43000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":43000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1147000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":1147000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2332000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":2332000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":3556000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":3556000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":4818000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":4818000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1270000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":1270000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2569000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":3895000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-12-31","val":5250000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1385000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"}]}},"AccruedEmployeeBenefitsCurrent":{"label":"Accrued Employee Benefits, Current","description":"Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2013-12-31","val":6872000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":6872000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":6872000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-06-30","val":5149000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6863000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":8444000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":8444000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":8444000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":8444000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":8444000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":4378000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5777000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7140000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":8188000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":8188000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":8188000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":8188000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":8188000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4555000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6496000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7741000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8981000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":8981000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":8981000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":8981000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":8981000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5174000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6244000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7636000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9261000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":9261000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":9261000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":9261000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":9261000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3401000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4946000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":7744000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":9853000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":9853000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":9853000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":9853000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":9853000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5168000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5262000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6475000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7686000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":7686000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":7686000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":7686000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":7686000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4568000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5874000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8113000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9375000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":9375000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":9375000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":9375000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":9375000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4967000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":6404000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":8290000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":11971000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":11971000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":11971000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":11971000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":11971000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":6633000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7918000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":7613000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4580000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":4580000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":3502000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AccruedIncomeTaxesCurrent":{"label":"Accrued Income Taxes, Current","description":"Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.","units":{"USD":[{"end":"2011-12-31","val":1409000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":1409000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":1409000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":3974000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4730000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2522000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2012-12-31","val":2522000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":470000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":470000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":470000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-12-31","val":3000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"}]}},"AccruedMarketingCostsCurrent":{"label":"Accrued Marketing Costs, Current","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":5866000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":5866000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":5866000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-06-30","val":8900000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":7223000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":8449000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":8449000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":8449000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":8449000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":8449000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4736000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4459000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2995000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2430000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":2430000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":2430000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":2430000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":2430000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2990000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2934000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3430000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3952000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3952000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3952000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3952000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3952000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3650000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2729000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2506000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1830000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":1830000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1830000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":1830000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":1830000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1126000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1983000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2996000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4222000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":4222000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":4222000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":4222000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":4222000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2611000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3781000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4344000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4305000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":4305000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":4305000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":4305000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":4305000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2530000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3036000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2701000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2398000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":753000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":832000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":768000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":768000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":768000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":768000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":768000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":768000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":768000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":768000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":768000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"AccruedRoyaltiesCurrent":{"label":"Accrued Royalties, Current","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":11003000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":11003000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":11003000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-06-30","val":8223000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":13372000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":12275000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":12275000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":12275000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":12275000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":12275000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":10614000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":9292000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9019000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":9498000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":9498000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":9498000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":9498000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":9498000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4781000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3599000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4485000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":5182000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":5182000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":5182000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":5182000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":5182000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2849000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3009000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3694000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4908000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":4908000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":4908000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":4908000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":4908000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4076000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":4372000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5286000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4723000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":4723000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":4723000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":4723000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":4723000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3519000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4556000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4610000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4339000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":4339000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":4339000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":4339000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":4339000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3868000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3427000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3992000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4337000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4337000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":4337000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":4337000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":4337000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1910000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":235000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":58000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":66000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":66000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":66000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":66000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":66000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"AccruedRoyaltiesCurrentAndNoncurrent":{"label":"Accrued Royalties","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":300000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":300000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":300000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":300000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":300000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q4I"},{"end":"2018-03-31","val":300000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":300000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"}]}},"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":"2011-12-31","val":3704000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":3704000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-12-31","val":7315000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":7315000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":7315000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":9070000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":9070000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":9070000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":9070000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":9070000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9320000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":5729000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":5911000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":6045000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":6045000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":6045000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":6045000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":6045000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":6256000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6388000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6572000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6702000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6702000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6702000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6702000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":6702000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6871000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7037000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7141000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":5846000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":5846000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":5846000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":5846000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":5846000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5942000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6021000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6096000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6191000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":6191000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":6191000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":6191000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":6191000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6260000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6342000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6424000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6498000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":6498000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":6498000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":6498000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":6498000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6462000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":6531000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6618000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6012000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":6012000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":6012000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":6012000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":6012000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6149000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6290000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6182000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2868000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2868000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":2868000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":2868000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":2868000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2931000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2987000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2874000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2948000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","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":"2010-12-31","val":-92000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":-92000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":-92000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":-176000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":-147000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-227000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":-227000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":-227000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":-227000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":-227000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-159000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":-525000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":682000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":273000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":273000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":273000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":273000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":273000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":931000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1050000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":635000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":894000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":894000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":894000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":894000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":894000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1178000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1734000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1120000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-850000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":-850000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":-850000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":-850000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":-850000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-2077000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-165000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-3712000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-5319000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":-5319000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":-5319000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":-5319000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":-5319000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":-3485000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-2651000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-2090000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-1579000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":-1579000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":-1579000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":-1579000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":-1579000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":380000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":-1779000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3673000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":15999000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":15999000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":15999000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":15999000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":15999000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":-819000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":-3088000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":-3342000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":-3702000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":-3702000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":-3702000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":-3702000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":-3702000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":-4092000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":-3764000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":-4531000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":-3498000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":-3498000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":-3498000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":-3498000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":-3498000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":-4827000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":-3254000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":-2724000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":-1829000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":-1829000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":-1829000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":-1829000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":-1829000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":-3507000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":-3327000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":-3481000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":-3042000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":-3042000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":-3042000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":-3042000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":-3042000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":-2908000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":-2955000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":-3009000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":-2917000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":-2917000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":-2887000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AcquiredFiniteLivedIntangibleAssetAmount":{"label":"Acquired Finite-lived Intangible Asset, Amount (Deprecated 2013-01-31)","description":"The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.","units":{"USD":[{"end":"2012-09-30","val":146300000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2010-12-31","val":384757000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":384757000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":384757000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":404273000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":446804000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":452761000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":452761000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":452761000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":452761000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":452761000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":458011000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":463607000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":466655000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":463710000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":463710000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":463710000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":463710000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":463710000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":465373000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":468653000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":499783000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":518144000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":518144000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":518144000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":518144000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":518144000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":529745000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":532554000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":535645000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":538553000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":538553000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":538553000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":538553000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":538553000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":541157000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":545359000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":548232000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":552108000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":552108000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":552108000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":552108000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":552108000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":555056000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":606220000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":638006000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":640166000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":640166000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":640166000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":640166000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":648384000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":642518000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":646542000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":765754000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":837347000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":837347000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":837347000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":837347000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":837347000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":820701000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":829052000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":840681000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":886740000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":886740000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":886740000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":886740000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":886740000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":895571000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":905871000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":912558000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":918205000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":918205000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":918205000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":918205000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":918205000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":923480000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":930817000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1016474000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1021221000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1021221000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":1021221000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":1021221000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":1021221000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1046784000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1082875000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1086989000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1094353000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1094353000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":1094353000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":1094353000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":1094353000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1117350000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1124625000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1148996000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1149926000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":1149926000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1153818000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition":{"label":"APIC, Share-based Payment Arrangement, ESPP, Increase for Cost Recognition","description":"Amount of increase in additional paid-in capital (APIC) for recognition of cost for employee stock purchase program (ESPP) award under share-based payment arrangement.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-2520000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"}]}},"AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition":{"label":"APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit under share-based payment arrangement.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":1030000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":2196000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":{"label":"APIC, Share-based Payment Arrangement, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":2000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2018-01-01","end":"2018-03-31","val":4144000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":4144000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-03-31","val":4144000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":4461000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":4461000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":3690000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":7481000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":7481000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-03-31","val":7481000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":7481000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":7481000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":7481000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":4814000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":4814000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":4814000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":4814000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":4021000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":4021000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":20416000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":5010000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":5010000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":5010000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":5010000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-03-31","val":5010000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-03-31","val":5010000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":3988000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":3988000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-04-01","end":"2020-06-30","val":3988000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":3988000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":4108000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":4108000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":17554000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":17554000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":4360000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":4360000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-04-01","end":"2021-06-30","val":4360000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":4360000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":4114000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":4114000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":19839000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":19839000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":2077000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":2077000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":2547000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":8490000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1781000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":8285000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":8285000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":10880000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":6816000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":15216000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":4336000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22237000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":22237000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":22237000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3015000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":3015000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6097000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":6097000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":6097000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":3082000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":3082000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":3082000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":9425000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":9424000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":3328000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":3328000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2747000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":2747000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-03-31","val":2747000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":5671000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":5671000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":5671000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":2924000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":2924000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":2924000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":8662000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":8662000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":2991000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":2991000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":12779000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":12779000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":12779000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2851000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":2851000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5525000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":5525000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":2674000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":2674000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":8589000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":8589000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":3064000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":3064000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":11809000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":11809000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":11809000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2462000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":2462000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":5990000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":5990000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":3528000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":3528000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":8490000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":8490000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":2500000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":2500000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":12084000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":12084000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":13941000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":3177000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":3177000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":6604000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":6604000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":3427000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":3427000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":9754000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":9754000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":3150000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":3150000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":12412000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":13670000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":13670000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3140000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":3720000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":6244000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":7207000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":3103000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":3487000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":9654000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":10201000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":3410000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":2995000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":15139000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":15139000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":11063000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":4478000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":2885000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":9211000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":6065000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":4734000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":3181000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":13197000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":8570000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":3986000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":2505000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":17483000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":11834000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4595000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":4595000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":9615000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":9615000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":5019000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":5019000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":13801000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":13801000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":4186000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":4186000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":18434000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":18434000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":5275000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":5275000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":9263000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":9263000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":3988000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":3988000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":13371000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":13371000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":4108000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":4108000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":17819000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":17819000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":8572000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":8572000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":4360000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":4360000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":12686000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":12686000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":4114000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":4114000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":19839000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":19841000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":5088000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":2077000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":7635000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":2547000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":8490000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1781000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2010-12-31","val":339000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":339000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":339000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":630000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":430000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":471000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":471000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":471000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":471000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":471000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":528000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":412000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":284000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":228000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":228000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":228000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":228000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":228000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":251000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":239000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":254000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":206000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":206000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":206000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":206000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":206000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":136000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":177000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":200000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":120000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":120000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":120000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":120000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":120000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":164000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":120000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":131000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":120000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":120000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":120000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":120000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":120000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":15000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":15000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":15000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":88000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":88000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":88000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":88000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":88000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":88000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":88000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":71000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":71000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":71000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":71000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":71000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":71000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":70000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":71000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":67000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":67000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":67000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":67000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":67000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":67000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":67000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":67000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":43000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":43000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":43000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":43000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":43000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":43000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":43000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2022-12-31","val":1300000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":5000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AmortizationOfDebtDiscountPremium":{"label":"Amortization of Debt Discount (Premium)","description":"Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":4818000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":3895000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":5250000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":5250000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1385000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2800000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":4246000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":4246000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":5710000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":5710000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":5710000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1381000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":1381000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2794000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":2794000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":1412000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":4236000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":4236000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":1442000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":4890000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":4890000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":567000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":533000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":533000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1079000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":1079000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":545000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":545000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1558000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":1558000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":491000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":491000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1931000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":220000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-09-30","val":17000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":195000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":174000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2009-01-01","end":"2009-12-31","val":3720000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1860000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":930000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":2790000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":930000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":3720000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":930000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1860000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":1860000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":930000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":930000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":2790000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":2790000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":930000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":930000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":3720000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":4700000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":930000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2566000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":1636000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":4400000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":1834000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":8800000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":8800000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4800000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":9900000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":14800000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":21200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":21200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":21200000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5700000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":5700000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":11400000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":11400000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":17800000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":17800000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":24300000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":24300000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":24300000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":14000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":6900000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":20900000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":13700000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":27900000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":20700000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":38300000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":38300000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":38300000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5800000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":12100000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":19100000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":25900000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":25900000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":25946000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":6900000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":6900000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":13800000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":13790000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":6901000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":20718000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":6928000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":27600000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":27647000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":6900000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":13880000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":6934000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":20804000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":6923000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":28098000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"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":"2010-01-01","end":"2010-12-31","val":9352247,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":9352247,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2013-01-01","end":"2013-03-31","val":5113510,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":5113510,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-03-31","val":5113510,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":4527596,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":4527596,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":4527596,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":3670133,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":3670133,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":3670133,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":4493100,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":4493100,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":4099288,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":4099462,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":4486160,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":4486160,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":4486160,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":15299594,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":15299594,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":14893146,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":14893146,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":14650867,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":14650867,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":14797127,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":14797127,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":14708922,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":14708922,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":14560119,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":14560119,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":14560119,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":14867194,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":14867194,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":14488695,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":14488695,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":14399679,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":14399679,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":14451337,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":14451337,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":14550078,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":14550078,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":15065342,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":15065342,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":15065342,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":15016646,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":15016646,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":15384984,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":15384984,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":16160267,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":16160267,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":15510525,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":15510525,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":15613845,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":15613845,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":13896550,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":13896550,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":13896550,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":13782249,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":14053382,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":13733385,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":13950591,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":13905642,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":14122848,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":14017448,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":14285128,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":15736870,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":16004550,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":9224816,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":9442022,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":9442022,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":11816280,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":11816280,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":10550888,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":10550888,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":9597648,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":9597648,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":9123874,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":9123874,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":6465109,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":6465109,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3573667,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3643768,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":3275491,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3310223,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":2747040,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3105524,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":9648862,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":10174519,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-12-31","val":9600000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":12600000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":12725283,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":12700000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":12708185,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":12700000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":13500000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":13500000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":11500000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":11500000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":24300000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":24200000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":22300000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":28500000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2013-01-01","end":"2013-06-30","val":1023000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":1023000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1023000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":1023000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":7160000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":7160000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":7160000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":7160000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":7160000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":7160000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":7160000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":7160000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":7160000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2020-01-01","end":"2020-12-31","val":19700000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":19700000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-12-31","val":19700000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-12-31","val":19700000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":19700000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":2900000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"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":"2010-12-31","val":163631000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":163631000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":163631000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":222676000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":265874000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":333881000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":387572000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":509541000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":506274000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":506274000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":506274000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":504955000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":504955000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":486128000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":460569000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":453733000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":474981000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":474948000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":509668000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":490033000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":468642000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":454329000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":447661000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":421220000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":401393000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":429204000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":449444000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":403506000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":395087000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":501817000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":444273000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":464522000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":412627000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":352658000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":322668000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":293826000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":215992000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":194253000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":237938000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":179007000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":175045000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":147801000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":100054000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":79429000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":118929000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":103338000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":103338000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":107675000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":121865000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":121865000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":121865000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":161190000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":207519000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":225801000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":225801000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":225801000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":225801000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":225801000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":262866000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":298561000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":265716000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":264873000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":264873000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":264873000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":264873000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":264873000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":239035000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":213040000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":153527000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":235190000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":235190000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":235190000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":235190000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":235190000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":215676000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":220133000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":231559000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":222469000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":222469000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":222469000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":222469000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":222469000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":215966000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":207162000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":209533000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":191324000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":190625000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":190625000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":190625000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":190625000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":172482000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":206652000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":231414000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":216650000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":216650000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":216650000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":216650000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":216650000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":196993000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":199014000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":303299000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":277746000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":277746000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":277746000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":277746000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":277746000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":277028000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":309520000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":267450000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":250688000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":250688000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":250688000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":250688000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":250688000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":340238000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":306015000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":272717000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":244020000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":244020000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":244020000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":244020000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":244020000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":197280000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":175040000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":212826000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":186647000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":186647000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":186647000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":186647000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":186647000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":169207000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":165706000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":139998000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":103952000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":103952000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":103952000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":103952000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":103952000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":93181000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":73579000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":112980000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":101011000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":101011000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":105378000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"AssetsFairValueDisclosure":{"label":"Assets, Fair Value Disclosure","description":"Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2011-12-31","val":171523000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":171523000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":171523000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":171523000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":196058000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":151542000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":148369000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":148369000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":20369000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":170090000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":170090000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":132175000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":132175000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":83197000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":112820000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":112820000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":112821000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":112820000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":112820000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":100735000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":87457000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":96813000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":87168000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":84400000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":84400000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":84400000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":84400000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":85537000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":98187000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":94840000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":94731000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":94731000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":94731000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":94731000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":94731000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":97608000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":100247000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":164754000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":158006000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":158006000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":158006000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":158006000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":158006000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":151249000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":142826000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":258073000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":269082000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":269082000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":269082000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":269082000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":269082000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":222892000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":265113000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":204770000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":195605000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":195605000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":195605000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":195605000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":195605000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":302360000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":266959000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":245069000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":222212000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":222212000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":222212000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":222212000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":222212000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":174805000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":158870000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":192261000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":178548000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":178548000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":178548000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":178548000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":178548000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":157600000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":159165000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":122628000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":82946000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":82946000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":82946000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":82946000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":82946000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":71089000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":59659000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":93392000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":71034000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":71034000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":53903000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2018-12-31","val":5555000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":5555000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":5555000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5555000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"AvailableForSaleEquitySecuritiesGrossUnrealizedGain":{"label":"Available-for-sale Equity Securities, Gross Unrealized Gain","description":"Amount of unrealized gain before deducting unrealized loss on investments in equity securities classified as available-for-sale securities.","units":{"USD":[{"start":"2014-01-01","end":"2014-09-30","val":1000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":1000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":800000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2600000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":-900000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2016-01-01","end":"2016-03-31","val":1400000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2500000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":3000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2017-01-01","end":"2017-03-31","val":1800000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax","description":"Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax","description":"Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesAmortizedCost":{"label":"Available-for-sale Securities, Amortized Cost Basis","description":"This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.","units":{"USD":[{"end":"2017-12-31","val":227571000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":227571000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":227571000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":227571000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesDebtSecuritiesCurrent":{"label":"Debt Securities, Available-for-sale, Current","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.","units":{"USD":[{"end":"2010-12-31","val":42117000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":42117000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":42117000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":37388000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":38604000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":36951000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3550000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3308000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3310000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3312000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3312000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3472000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3306000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3306000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3306000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3308000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3308000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":245000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":245000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":246000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":247000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":247000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":247000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":247000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":248000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":248000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":248000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":248000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":46508000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":46508000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":159455000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"AvailableForSaleSecuritiesEquitySecurities":{"label":"Available-for-sale Securities, Equity Securities","description":"Amount of equity securities categorized neither as held-to-maturity nor as trading.","units":{"USD":[{"end":"2017-12-31","val":37530000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":37530000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesEquitySecuritiesCurrent":{"label":"Available-for-sale Securities, Equity Securities, Current","description":"Amount of investments in equity securities and other forms of securities that provide ownership interests classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2013-12-31","val":3593000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3593000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-09-30","val":9676000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":8501000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":8501000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":8501000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":8501000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":8501000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":9254000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":9676000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7282000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6689000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":5189000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":11533000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":11533000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":37530000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesEquitySecuritiesNoncurrent":{"label":"Available-for-sale Securities, Equity Securities, Noncurrent","description":"Equity securities categorized neither as held-to-maturity nor trading which are intended be sold more than one year from the balance sheet date or operating cycle, if longer.","units":{"USD":[{"end":"2015-12-31","val":6689000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6689000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6689000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7520000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8300000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":9146000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":11533000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":11533000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":11533000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":14241000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":10530000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":17751000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":37530000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":37530000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":37530000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":37530000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"}]}},"AvailableForSaleSecuritiesGrossRealizedGainLossNet":{"label":"Available-for-sale Securities, Gross Realized Gain (Loss)","description":"This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.","units":{"USD":[{"start":"2014-01-01","end":"2014-09-30","val":2200000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":2200000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"}]}},"AvailableForSaleSecuritiesGrossUnrealizedLoss":{"label":"Available-for-sale Securities, Gross Unrealized Loss","description":"Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":1400000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":4200000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":16000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"AvailableforsaleSecuritiesGrossUnrealizedGainLoss1":{"label":"Available-for-sale Securities, Gross Unrealized Gain (Loss) (Deprecated 2018-01-31)","description":"Amount of unrealized gain (loss) on investments in debt and equity securities classified as available-for-sale securities.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2217000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2217000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":-1100000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":3900000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":9651000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"BusinessAcquisitionContingentConsiderationPotentialCashPayment":{"label":"Business Acquisition, Contingent Consideration, Potential Cash Payment (Deprecated 2013-01-31)","description":"Amount of potential cash payments that could result from the contingent consideration arrangement.","units":{"USD":[{"end":"2013-03-31","val":6000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":6000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"BusinessAcquisitionCostOfAcquiredEntityCashPaid":{"label":"Business Acquisition, Cost of Acquired Entity, Cash Paid (Deprecated 2013-01-31)","description":"Amount of cash paid to acquire the entity.","units":{"USD":[{"end":"2013-03-31","val":3000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":3000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"BusinessAcquisitionCostOfAcquiredEntityPurchasePrice":{"label":"Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)","description":"The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.","units":{"USD":[{"end":"2013-03-31","val":7700000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":7700000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"BusinessAcquisitionCostOfAcquiredEntityTransactionCosts":{"label":"Business Acquisition, Transaction Costs","description":"Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.","units":{"USD":[{"end":"2013-09-30","val":5700000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":5700000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"}]}},"BusinessAcquisitionPreacquisitionContingencyAmount":{"label":"Business Acquisition, Preacquisition Contingency, Amount (Deprecated 2013-01-31)","description":"Amount assigned in the purchase price allocation to the preacquisition contingency.","units":{"USD":[{"end":"2012-09-30","val":2200000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"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":"2012-01-01","end":"2012-09-30","val":1.38,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":0.27,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":0.98,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":-0.29,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-0.09,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-1.12,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"}]}},"BusinessAcquisitionProFormaEarningsPerShareDiluted":{"label":"Business Acquisition, Pro Forma Earnings Per Share, Diluted","description":"The pro forma diluted 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":"2012-01-01","end":"2012-09-30","val":1.24,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":0.24,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":-0.29,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-0.09,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-1.12,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"}]}},"BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets":{"label":"Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets (Deprecated 2013-01-31)","description":"The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.","units":{"USD":[{"end":"2012-06-30","val":23490000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"}]}},"BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet":{"label":"Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net (Deprecated 2013-01-31)","description":"The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.","units":{"USD":[{"end":"2012-06-30","val":26015000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"}]}},"BusinessAcquisitionPurchasePriceAllocationGoodwillAmount":{"label":"Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31)","description":"Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.","units":{"USD":[{"end":"2012-06-30","val":2525000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-12-31","val":4800000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2012-12-31","val":26485000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed":{"label":"Business Acquisition, Purchase Price Allocation, Liabilities Assumed (Deprecated 2013-01-31)","description":"The amount of acquisition cost of a business combination allocated to liabilities assumed.","units":{"USD":[{"end":"2013-03-31","val":4700000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":4700000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"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":"2012-01-01","end":"2012-09-30","val":81011000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":15824000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":57274000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":-17062000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-5112000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-68146000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"}]}},"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":"2012-01-01","end":"2012-09-30","val":197603000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":69042000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":267707000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":114338000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":42439000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":155854000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"}]}},"BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1":{"label":"Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability","description":"Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":-1300000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-1300000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-1300000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-1300000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-1300000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-1300000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-1300000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"BusinessCombinationContingentConsiderationLiability":{"label":"Business Combination, Contingent Consideration, Liability","description":"Amount of liability recognized arising from contingent consideration in a business combination.","units":{"USD":[{"end":"2013-12-31","val":4000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":4000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":4000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":4000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":4000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4100000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4300000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4337000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4901000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":4901000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":4901000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":4901000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":4901000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5091000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5243000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":5373000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5227000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":5227000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":5227000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":5227000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":5227000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized":{"label":"Business Combination, Liabilities Arising from Contingencies, Amount Recognized","description":"The amount, measured at acquisition-date fair value, of all liabilities assumed that arise from contingencies and were recognized by the entity.","units":{"USD":[{"end":"2013-12-31","val":8329000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":8329000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":8329000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":8329000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":8329000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9053000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":10058000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":10239000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2441000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":2441000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2441000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2441000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":2441000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2751000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2745000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2534000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1439000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":1439000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1439000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":1439000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":1439000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1708000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1993000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1915000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1315000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":1315000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":1315000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1315000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":1315000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1512000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1609000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4551000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6272000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":6272000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":6272000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":6272000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":6272000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6563000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6755000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5555000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4345000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2013-01-01","end":"2013-09-30","val":100000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":100000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"}]}},"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":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3209000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":3209000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":300000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":300000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":2772000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":2772000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":324000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":324000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":6017000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":6017000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":10066000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":27000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":27000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1"}]}},"CapitalLeaseObligationsNoncurrent":{"label":"Capital Lease Obligations, Noncurrent","description":"Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.","units":{"USD":[{"end":"2010-12-31","val":40000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2010-12-31","val":40000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":40000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2011-06-30","val":25000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":17000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":9000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":9000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":9000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":9000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":9000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-03-31","val":0,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"}]}},"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":"2008-12-31","val":9860000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2008Q4I"},{"end":"2009-12-31","val":82336000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2009-12-31","val":82336000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2009-12-31","val":82336000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2009-12-31","val":82336000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":47310000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2I"},{"end":"2010-09-30","val":45387000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3I"},{"end":"2010-12-31","val":53557000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":53557000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":53557000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2010-12-31","val":53557000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2010-12-31","val":53557000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2010-12-31","val":53557000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2010-12-31","val":53557000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":53557000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2010Q4I"},{"end":"2011-03-31","val":38822000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1I"},{"end":"2011-06-30","val":67049000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2011-06-30","val":67049000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":110293000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2011-09-30","val":110293000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3I"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2011Q4I"},{"end":"2012-03-31","val":149373000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2012-03-31","val":149373000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1I"},{"end":"2012-06-30","val":190154000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":190154000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":143283000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2012-09-30","val":143283000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3I"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2012-12-31","val":139698000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":160073000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":160073000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2013-03-31","val":160073000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1I"},{"end":"2013-06-30","val":121103000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":121103000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2013-06-30","val":121103000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":71974000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2013-09-30","val":71974000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3I"},{"end":"2013-12-31","val":156306000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":156306000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":156306000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":156306000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":156306000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":156306000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2013-12-31","val":156306000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2013-12-31","val":156306000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2013-12-31","val":156306000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2013-12-31","val":156306000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2013Q4I"},{"end":"2014-03-31","val":117734000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2014-03-31","val":117734000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1I"},{"end":"2014-06-30","val":132405000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2014-06-30","val":132405000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2I"},{"end":"2014-09-30","val":144234000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2014-09-30","val":144234000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3I"},{"end":"2014-12-31","val":129942000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2014-12-31","val":129942000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2014Q4I"},{"end":"2015-03-31","val":123365000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2015-03-31","val":123365000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1I"},{"end":"2015-06-30","val":142271000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2015-06-30","val":142271000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2I"},{"end":"2015-09-30","val":136527000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2015-09-30","val":136527000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3I"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2015-12-31","val":139741000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-03-31","val":132306000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2016-03-31","val":132306000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1I"},{"end":"2016-06-30","val":155759000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2016-06-30","val":155759000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2I"},{"end":"2016-09-30","val":171605000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2016-09-30","val":171605000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3I"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2016-12-31","val":158222000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":137196000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2017-03-31","val":137196000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":138313000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2017-06-30","val":138313000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2I"},{"end":"2017-09-30","val":247468000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2017-09-30","val":247468000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3I"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":183513000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":174371000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":166541000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":272652000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":118251000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":124598000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":70352000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85126000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":77132000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":69521000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":114573000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":107435000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":78679000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":25512000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":56255000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":40368000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":40368000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":52373000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"CashAndCashEquivalentsFairValueDisclosure":{"label":"Cash and Cash Equivalents, Fair Value Disclosure","description":"Fair value portion 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.","units":{"USD":[{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":121202000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":190154000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":143283000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":139698000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":160073000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":160073000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-06-30","val":121103000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-06-30","val":121103000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-09-30","val":71974000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"}]}},"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":"2009-01-01","end":"2009-12-31","val":72476000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-35026000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":-36949000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":-28779000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-28779000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-14735000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":13492000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":13492000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":56736000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":56736000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":67645000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":67645000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":67645000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":28171000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":28171000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":68952000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":68952000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":22081000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":22081000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":18496000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":18496000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":18496000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":20375000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":20375000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-18595000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-18595000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-67724000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-67724000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":16608000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":16608000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":16608000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-38572000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-38572000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-23901000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-23901000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-12072000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-12072000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-26364000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-26364000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-26364000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-6577000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-6577000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":12329000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":12329000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":6585000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":6585000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":9799000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":9799000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":9799000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-7435000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-7435000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":16018000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":16018000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":31864000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":31864000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":18481000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":18481000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":18481000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-21026000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-21026000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-19909000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-19909000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":89246000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":89246000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":69101000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":69101000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-43810000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-52952000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-60782000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":-69843000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"CashCashEquivalentsAndShortTermInvestments":{"label":"Cash, Cash Equivalents, and Short-term Investments","description":"Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.","units":{"USD":[{"end":"2017-12-31","val":227571000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":227571000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":227571000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":227571000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":231916000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":269658000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":220556000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":203988000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":203988000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":203988000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":203988000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":203988000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":305881000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":278385000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":247762000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":223873000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":223873000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":223873000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":223873000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":223873000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":177793000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":156516000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":198311000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":180025000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":180025000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":180025000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":180025000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":180025000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":162857000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":158817000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":133595000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":100647000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":100647000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":100647000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":100647000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":100647000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":89214000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":67959000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":100252000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":75096000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":75096000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":56136000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2016-12-31","val":158222000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2016Q4I"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2018Q4I"},{"end":"2019-09-30","val":128638000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3I"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2019Q4I"},{"end":"2020-03-31","val":70352000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85126000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2I"},{"end":"2020-09-30","val":77132000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2020-09-30","val":77132000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3I"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2020-12-31","val":46009000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":69521000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2021-03-31","val":69521000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1I"},{"end":"2021-06-30","val":114573000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2021-06-30","val":114573000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":107435000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2021-09-30","val":107435000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3I"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2021-12-31","val":88539000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2021Q4I"},{"end":"2022-03-31","val":78679000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2022-03-31","val":78679000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1I"},{"end":"2022-06-30","val":25512000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":56255000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":40368000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":40368000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":52373000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, 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":"2017-12-31","val":227323000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2017-12-31","val":227323000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":183513000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1I"},{"end":"2018-06-30","val":174371000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":166541000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2018-12-31","val":157480000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2018Q4I"},{"end":"2019-03-31","val":276652000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-03-31","val":276652000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1I"},{"end":"2019-06-30","val":122271000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2019-06-30","val":122271000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2I"},{"end":"2019-09-30","val":128638000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":64418000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q4I"},{"end":"2020-03-31","val":70352000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85126000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"}]}},"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":"2017-01-01","end":"2017-12-31","val":69101000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-43810000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-52952000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-60782000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-69843000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":119172000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":119172000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-35209000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-35209000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-28842000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-28842000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-93062000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-93062000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":5934000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":5934000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":20708000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":20708000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":12714000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":12714000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-18409000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-18409000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":23512000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":23512000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":68564000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":68564000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":61426000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":61426000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":42530000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":42530000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-9860000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-9860000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-63027000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-32284000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-48171000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":12005000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"CashSurrenderValueOfLifeInsurance":{"label":"Cash Surrender Value of Life Insurance","description":"Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.","units":{"USD":[{"end":"2012-12-31","val":2881000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5361000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":5362000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":5362000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":5362000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":5362000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":5425000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6541000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6913000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":6958000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":6958000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":6958000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":6958000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":6958000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7315000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":8209000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":8725000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":9181000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":9181000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":9181000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":9181000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":9181000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":9651000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":11478000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":11845000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":11863000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":11863000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":11863000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":11863000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":12263000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":13366000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":14122000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":10737000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":10737000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":10737000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":11463000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6123000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6382000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6274000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":6274000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":6274000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7270000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7410000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7882000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3547000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3073000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"CertificatesOfDepositAtCarryingValue":{"label":"Certificates of Deposit, at Carrying Value","description":"A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.","units":{"USD":[{"end":"2010-12-31","val":8569000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2010-12-31","val":8569000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":8569000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2011-06-30","val":14095000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":11880000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":9283000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q4I"},{"end":"2011-12-31","val":9283000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-03-31","val":10863000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"}]}},"ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights":{"label":"Class of Warrant or Right, Exercise Price of Warrants or Rights (Deprecated 2014-01-31)","description":"Exercise price per share or per unit of warrants or rights outstanding.","units":{"USD/Warrant":[{"end":"2003-09-30","val":6.5,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2003Q3I"},{"end":"2003-09-30","val":6.5,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights":{"label":"Class of Warrant or Right, Number of Securities Called by Warrants or Rights","description":"Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.","units":{"shares":[{"end":"2003-09-30","val":2800000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2003Q3I"},{"end":"2003-09-30","val":2800000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"CommonStockCapitalSharesReservedForFutureIssuance":{"label":"Common Stock, Capital Shares Reserved for Future Issuance","description":"Aggregate number of common shares reserved for future issuance.","units":{"shares":[{"end":"2012-12-31","val":15791860,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":15791860,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-03-31","val":16139224,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":16139224,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":16344028,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":16344028,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-12-31","val":28101704,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":24880602,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":25983135,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":25240381,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":15915473,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"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":"2012-01-01","end":"2012-12-31","val":0.15,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.15,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"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":"2010-12-31","val":0.001,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":0.001,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":0.001,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":0.001,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0.001,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":0.001,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0.001,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0.001,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":0.001,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0.001,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0.001,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":0.001,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0.001,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0.001,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0.001,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":0.001,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0.001,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0.001,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0.001,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0.001,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0.001,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0.001,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0.001,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0.001,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0.001,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0.001,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.001,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.001,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.001,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.001,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.001,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.001,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.001,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.001,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0.001,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0.001,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0.001,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0.001,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0.001,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0.001,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0.001,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0.001,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2006-07-06","val":50000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2006-07-06","val":50000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2006Q2I"},{"end":"2006-07-07","val":100000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2006-07-07","val":100000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2010-12-31","val":175000000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":175000000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":175000000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-12","val":100000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2011-06-13","val":175000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-06-13","val":175000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-06-13","val":175000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2011-06-30","val":175000000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":175000000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":175000000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":175000000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":175000000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":175000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":175000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":175000000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":175000000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":175000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":175000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":175000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":175000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":175000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":175000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":175000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":175000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":175000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":175000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":175000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":175000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":175000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":175000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":175000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":175000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":175000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":175000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":175000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":175000000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":175000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":175000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":175000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":175000000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":175000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":175000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":175000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":175000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":175000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":175000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":175000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":175000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2016-06-30","val":300000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-06-30","val":300000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2016Q2I"},{"end":"2016-09-30","val":175000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":175000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":175000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":175000000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":175000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":175000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":175000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":175000000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":175000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":175000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":175000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":300000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":300000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":300000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":175000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-05-31","val":175000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-05-31","val":175000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2018-05-31","val":175000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2018-06-01","val":175000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-06-30","val":300000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2018-06-30","val":300000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2018-06-30","val":300000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2018Q2I"},{"end":"2018-09-30","val":300000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":300000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":300000000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":300000000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":300000000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":300000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":300000000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":300000000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":300000000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":300000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":300000000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":300000000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":300000000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":300000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":300000000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":300000000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":300000000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":300000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":300000000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":300000000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":300000000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":300000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":300000000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":300000000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":300000000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":300000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":300000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":300000000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":300000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":300000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":300000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":300000000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":300000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":300000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":300000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":300000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2010-12-31","val":51459284,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":51459284,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":51459284,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":52947221,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":57403724,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":59459356,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":59824472,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":59525328,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":60007752,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":60284571,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":63825102,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":65649620,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":65730897,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":65743230,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":65969699,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":66905839,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":67245602,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":67314580,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":68942042,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":75902704,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":80566699,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":80423844,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":81257192,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":94061740,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":103935398,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":105130603,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":106060681,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":111212572,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":112684387,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":112684387,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":114774079,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":117823973,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":145931172,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":153728336,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":164106060,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":163957900,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":178827485,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":184870273,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":203339656,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":202827831,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":202827831,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":205284506,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":51459284,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":51459284,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":51459284,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":52947221,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":57403724,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":59247483,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":59459356,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":59824472,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":59525328,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":60026675,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":60007752,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":60284571,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":63825102,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":64104173,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":65649620,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":65730897,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":65743230,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":65969699,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":65969699,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":66905839,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":67245602,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":67314580,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":68228935,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":68942042,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":75902704,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":80566699,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":80466735,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":80423844,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":81257192,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":94061740,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":100742735,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":103935398,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":105130603,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":106060681,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":110525141,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":111212572,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":112684387,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":112684387,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":113299612,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":114774079,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":117823973,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":145931172,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":146083110,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":153728336,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":164106060,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":163957900,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":164502013,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":178827485,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":184870273,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":203339656,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":202827831,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":202827831,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":205284506,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":51000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":51000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":51000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":53000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":57000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":59000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":59000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":59000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":59000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":59000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":60000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":60000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":60000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":60000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":60000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":60000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":60000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":60000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":60000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":60000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":64000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":64000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":64000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":64000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":64000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":64000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":65000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":66000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":66000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":66000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":66000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":66000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":66000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":66000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":66000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":66000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":66000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":68000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":68000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":68000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":68000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":68000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":68000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":75000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":80000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":80000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":80000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":80000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":80000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":80000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":80000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":80000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":94000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":100000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":100000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":100000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":100000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":103000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":103000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":106000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":110000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":110000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":110000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":110000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":110000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":111000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":112000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":113000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":113000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":113000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":113000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":113000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":113000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":114000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":118000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":146000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":146000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":146000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":146000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":146000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":146000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":154000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":164000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":164000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":165000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":165000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":165000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":165000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":165000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":179000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":185000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":203000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":203000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":203000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":205000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2011-01-01","end":"2011-03-31","val":12827000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2012-01-01","end":"2012-03-31","val":46610000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1"},{"start":"2013-01-01","end":"2013-12-31","val":-61513000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-47463000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-47463000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-55254000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-55254000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-57111000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-64772000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-66030000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-66030000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-21588000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-44598000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-23011000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-57439000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-12841000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-73670000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-73670000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-74611000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-15423000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-3950000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":11475000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-72922000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-68972000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-122501000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-123231000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-19545000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-19649000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-47612000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-47716000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-28067000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-28067000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-74364000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-74468000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-26752000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-26752000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-112485000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-112485000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-41901000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-41901000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-72413000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-72413000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-30512000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-30512000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-120335000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-120335000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-47922000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-47922000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-159199000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-159199000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-37375000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-37375000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-87327000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-87327000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-49952000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-49952000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-120565000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-120565000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-33238000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-33238000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-159841000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-159841000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-15308000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-15308000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-44403000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-29095000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-66382000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-21979000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-75276000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-4977000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2009-01-01","end":"2009-12-31","val":-20116000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-48866000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-48866000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":19897000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":7169000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":40181000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":20284000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":48382000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":48382000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":49796000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":46610000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":64314000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":64314000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":17704000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":17704000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":86833000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":87620000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":22519000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":22731000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":95045000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":94701000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":94701000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-2131000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-4777000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-12189000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-14380000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-10058000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-9602000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-23124000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-22400000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-8227000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-8227000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-61513000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-61513000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-27357000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-27357000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-30364000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-30364000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-3006000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-3006000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-42516000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-42516000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-12153000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-12153000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-47463000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-26789000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-26789000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-27223000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-27223000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-434000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-434000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-49494000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-49494000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-22271000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-22271000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":-7487000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-7487000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-30948000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-30948000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-23461000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-23461000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-47841000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-47841000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-16894000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-16894000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":-21008000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-21588000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-43635000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-44598000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-22627000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-23011000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-56892000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-57439000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-13257000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-12841000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":-32634000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-21161000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":11475000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-90133000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-68972000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3"}]}},"ConcentrationRiskPercentage1":{"label":"Concentration Risk, Percentage","description":"\"For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"\"benchmark\"\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.\"","units":{"pure":[{"start":"2011-01-01","end":"2011-12-31","val":1,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":1,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":1,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":1,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":1,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":1,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":1,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":1,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":1,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":1,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":1,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":1,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":1,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":1,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":1,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":1,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":1,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":1,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":1,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":1,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":1,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":1,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":1,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":1,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":1,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":1,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":1,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":1,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"}]}},"ContractWithCustomerLiability":{"label":"Contract with Customer, Liability","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.","units":{"USD":[{"end":"2017-12-31","val":4187000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":4187000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4850000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7245000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1360000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"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":3872000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":3872000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":4850000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4850000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7245000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1360000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":3082000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":3082000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":8108000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ContractWithCustomerLiabilityNoncurrent":{"label":"Contract with Customer, Liability, Noncurrent","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.","units":{"USD":[{"end":"2017-12-31","val":315000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":315000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":315000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"ConversionOfStockAmountConverted1":{"label":"Conversion of Stock, Amount Converted","description":"\"The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.\"","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":259000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":259000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-03-31","val":37000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":37000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":37000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-09-30","val":37000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-09-30","val":37000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-12-31","val":37000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":37000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":37000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"}]}},"CostOfGoodsSold":{"label":"Cost of Goods Sold (Deprecated 2018-01-31)","description":"Total costs related to goods produced and sold during the reporting period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":8148000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":6837000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":3592000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":10626000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":3789000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":17439000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":6580000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":14710000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":14710000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":8130000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-04-01","end":"2011-06-30","val":8130000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-09-30","val":23555000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-09-30","val":23555000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":8845000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-07-01","end":"2011-09-30","val":8845000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-12-31","val":33838000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":8673000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":20247000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":11574000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":31402000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":11155000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3"}]}},"CostOfGoodsSoldAmortization":{"label":"Cost of Goods Sold, Amortization (Deprecated 2018-01-31)","description":"The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies only to intangible assets used in the production of goods.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":3720000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":171000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":171000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":1500000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":3720000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3720000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":930000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":986000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":2566000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":493000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":1636000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":4400000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":493000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":1834000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":6741000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":8818000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":8818000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2368000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":4445000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":5740000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":9894000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":3372000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":5449000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":14829000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":14829000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":4935000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":4935000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":20074000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":20074000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":20074000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5360000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":5360000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":10721000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":10721000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":5361000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":5361000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":17763000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":17763000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":7042000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":7042000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":24288000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":24288000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":24288000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":14022000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":14022000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":20938000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":20938000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":6916000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":6916000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":27857000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":27857000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":6919000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":6919000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":38319000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":38319000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":38319000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5839000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":5839000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":12145000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":12145000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":6306000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":6306000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":19052000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":19052000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":6907000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":6907000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":25946000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":25946000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":6889000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":6889000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":13790000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":6901000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":20718000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":6928000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":27647000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":6947000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"CostOfServices":{"label":"Cost of Services (Deprecated 2018-01-31)","description":"Total costs related to services rendered by an entity during the reporting period.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1282000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":1282000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":3495000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":3495000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":2214000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":2214000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":5716000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":5716000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":2221000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":2221000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":7890000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":7890000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":2103000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":2103000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":4221000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":2118000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":4221000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":4359000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"CostsAndExpenses":{"label":"Costs and Expenses","description":"Total costs of sales and operating expenses for the period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":66533000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":76190000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":24609000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":99805000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":23615000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":127010000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":127010000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":26091000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":61536000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":61536000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":35445000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":35445000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":94510000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":94510000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":32974000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":32974000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":137831000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":137831000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":136417000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":36756000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":36756000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":82896000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":82896000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":46140000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":46140000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":129182000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":127870000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":46286000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":45933000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":187883000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":186933000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":186933000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":43478000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":45124000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":87248000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":90885000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":43770000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":45761000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":146611000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":146611000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":55726000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":55726000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":194639000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":194639000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":194639000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":64538000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":64538000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":112789000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":112789000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":48251000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":48251000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":164906000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":164906000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":52117000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":52117000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":218399000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":218399000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":218399000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":60279000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":60279000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":105294000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":105294000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":45016000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":45016000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":149995000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":149995000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":44701000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":44701000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":203288000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":203288000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":205145000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":50149000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":50149000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":106179000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":106179000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":56030000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":56030000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":155567000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":155567000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":49389000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":49389000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":208072000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":209330000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":209330000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":50430000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":51010000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":102957000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":103920000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":52526000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":52910000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":154822000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":155369000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":51865000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":51449000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":225027000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":225027000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":116284000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":55759000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":29981000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":114238000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":62967000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":58479000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":32986000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":168530000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":91389000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":54292000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":28422000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":240510000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":137847000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":37838000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":37838000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":72050000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":72050000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":34212000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":34212000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":102343000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":102343000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":30293000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":30293000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":140698000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":140698000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":30787000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":30787000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":67277000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":67277000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":36490000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":36490000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":106846000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":106846000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":39569000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":39569000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":169734000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":169734000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":33686000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":33686000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":77757000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":77757000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":44071000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":44071000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":110850000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":110850000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":33093000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":33093000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":147703000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":147703000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":14063000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":14063000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":39455000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":25392000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":61053000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":21598000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":82811000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":20485000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":-128000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1255000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1255000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":15889000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":16222000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":16222000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-8357000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-8357000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-8357000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1529000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1529000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1529000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":113000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":113000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":113000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-2001000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-2001000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-2001000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-10608000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-10608000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-15412000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-11000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-1663000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-6584000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-6584000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"CurrentForeignTaxExpenseBenefit":{"label":"Current Foreign Tax Expense (Benefit)","description":"Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":3000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":29000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":29000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":29000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":148000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":148000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":148000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":8000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":8000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":8000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":7000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":7000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":11000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":11000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":16000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":16000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":46000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2010-01-01","end":"2010-12-31","val":-43000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":3704000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3704000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":19253000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":19634000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":19634000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-9048000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-9048000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-9048000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1684000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1684000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1684000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":266000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":266000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":266000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-2209000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-2209000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-2209000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-11541000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-11541000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-16704000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-30000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-1932000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-7739000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-7739000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-60000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-60000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":46000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2010-01-01","end":"2010-12-31","val":82000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2449000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2449000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":3364000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3412000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":3412000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-691000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-691000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-691000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":126000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":126000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":126000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":5000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":5000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":5000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-216000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-216000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-216000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-940000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-940000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-1298000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-19000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-269000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-1166000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-1166000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-76000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-76000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"DebtInstrumentFaceAmount":{"label":"Debt Instrument, Face Amount","description":"Face (par) amount of debt instrument at time of issuance.","units":{"USD":[{"end":"2014-09-17","val":1500000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-09-17","val":1500000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-09-17","val":1500000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-09-17","val":1500000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2014-09-17","val":1500000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2014Q3I"}]}},"DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum":{"label":"Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum (Deprecated 2016-01-31)","description":"When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date.","units":{"pure":[{"start":"2013-01-01","end":"2013-09-30","val":0.0425,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":0.0425,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.0425,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.0425,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":0.0425,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"}]}},"DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum":{"label":"Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum (Deprecated 2016-01-31)","description":"When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement as of the balance sheet date.","units":{"pure":[{"start":"2013-01-01","end":"2013-09-30","val":0.0275,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":0.0275,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.0275,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.0275,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":0.0275,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"}]}},"DebtSecuritiesAvailableForSaleUnrealizedGainLoss":{"label":"Debt Securities, Available-for-sale, Unrealized Gain (Loss)","description":"Amount 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).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":-133000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-12-31","val":431000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance":{"label":"Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance","description":"Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.","units":{"shares":[{"end":"2012-06-30","val":9996943,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":9865815,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"DeferredCompensationLiabilityClassifiedNoncurrent":{"label":"Deferred Compensation Liability, Classified, Noncurrent","description":"Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).","units":{"USD":[{"end":"2012-12-31","val":2366000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3949000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3949000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3949000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3949000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3949000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3999000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4527000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4719000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4694000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":4694000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":4694000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":4694000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":4694000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5593000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5989000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":5965000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6458000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6458000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6458000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6458000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":6458000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7117000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7672000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7797000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8352000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":8352000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":8352000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":8352000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":8352000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8942000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":9546000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10250000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5928000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":5928000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":5928000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":5928000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":5928000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":5981000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5212000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5764000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5474000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5474000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":5474000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":5474000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5474000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6499000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7318000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7708000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8597000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":8597000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6444000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"DeferredCompensationLiabilityCurrent":{"label":"Deferred Compensation Liability, Current","description":"Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.","units":{"USD":[{"end":"2012-06-30","val":1500000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1700000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2400000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2900000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":2900000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3200000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":3200000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3700000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3900000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3900000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3900000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3900000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3900000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4500000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4500000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4700000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":4700000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":4700000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":4700000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":4700000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5600000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6000000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6500000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6500000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6500000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6500000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":6500000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7100000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7700000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7800000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8400000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":8400000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":8400000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":8400000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8900000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":9500000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10300000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5100000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":11000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":11000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":11000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":10200000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6500000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6200000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":6200000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":6200000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7200000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7400000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7800000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8700000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":8700000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":8700000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7400000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7600000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8400000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"}]}},"DeferredCompensationLiabilityCurrentAndNoncurrent":{"label":"Deferred Compensation Liability, Current and Noncurrent","description":"Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.","units":{"USD":[{"end":"2017-12-31","val":11000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":11000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":6200000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":6200000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":8700000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":8700000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":9800000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":9800000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9709000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":10559000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":10489000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":11200000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":11200000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":11200000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":11243000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":11200000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":10500000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7600000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":7434000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4500000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":4500000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4100000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2012-01-01","end":"2012-12-31","val":-24765000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-24013000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-24013000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":36183000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":36183000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":36183000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":495000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":495000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":495000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":114000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":114000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":114000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-93000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-93000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-93000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-5256000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-5256000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-5256000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-781000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-781000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2013-12-31","val":-4573000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"}]}},"DeferredForeignIncomeTaxExpenseBenefit":{"label":"Deferred Foreign Income Tax Expense (Benefit)","description":"Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2012-01-01","end":"2012-03-31","val":-23368000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":-23368000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-31493000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-31493000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":-33298000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-33298000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-34605000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-33905000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-33905000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-5312000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-6039000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":-10016000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":34546000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":34546000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":34546000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":502000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":502000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":502000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":140000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":140000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":140000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-104000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-104000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-104000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-5237000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-5237000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-5237000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":31000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":31000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-1469000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-1469000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent":{"label":"Deferred Income Taxes and Other Tax Liabilities, Noncurrent","description":"Amount of deferred tax liability attributable to taxable temporary differences, after deferred tax asset, and other tax liabilities expected to be paid after one year or operating cycle, if longer.","units":{"USD":[{"end":"2012-12-31","val":1132000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1352000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":1352000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":1352000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":1352000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":1352000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":816000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":731000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":660000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":730000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":730000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":730000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":730000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":730000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":730000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":730000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":737000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":738000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":738000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":738000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":738000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":738000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":738000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":738000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":738000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":738000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":738000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":738000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":738000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":738000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":738000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":738000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":738000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":176000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":176000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":176000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":176000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":176000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":176000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":176000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":176000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":176000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":176000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":176000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":176000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":176000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":176000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":176000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":176000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":101000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":101000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":101000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2012-09-30","val":426000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"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":"2016-12-31","val":6675000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":6675000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-09-30","val":6829000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1447000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1447000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1447000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"DeferredRentCreditNoncurrent":{"label":"Deferred Rent Credit, Noncurrent","description":"For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":571000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":366000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":366000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":366000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":366000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":366000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":310000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":451000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":408000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":364000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":364000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":364000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":364000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":364000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":321000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":275000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":261000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":248000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":248000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":248000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":248000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":248000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":235000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":219000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":193000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":167000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":167000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":167000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":167000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":167000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":143000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":115000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":83000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":52000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":52000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":52000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":52000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":52000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":20000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"DeferredRevenue":{"label":"Deferred Revenue","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"end":"2014-12-31","val":9959000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":17461000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7501000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":10397000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6513000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6513000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6513000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6513000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":6513000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2908000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":4211000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5199000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3511000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":3511000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":3511000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3511000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":3511000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3238000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2877000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3107000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4187000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":4187000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":4187000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"}]}},"DeferredRevenueAndCreditsNoncurrent":{"label":"Deferred Revenue and Credits, Noncurrent","description":"Total carrying amount of consideration received or receivable as of the balance sheet date representing potential earnings that were not as yet recognized as revenue or other forms of income in conformity with GAAP, and which are expected to be recognized as such after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2010-12-31","val":25495000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2010-12-31","val":25495000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":25495000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2011-06-30","val":19290000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":16173000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":14029000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":14029000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":14029000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":14029000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":14029000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-03-31","val":11268000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":8329000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5500000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2937000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q4I"},{"end":"2012-12-31","val":2937000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":2937000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":3456000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3680000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"}]}},"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":"2010-12-31","val":12300000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":12300000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":12300000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":12300000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":12300000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":12300000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":12300000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":12300000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":12300000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":12300000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":12300000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":12300000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":12300000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":12300000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":12300000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":12300000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":12300000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":12300000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1068000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":156000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":156000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":156000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":156000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":156000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":458000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":33000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1090000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":9959000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":9959000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":17045000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7087000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":9990000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6130000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6130000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6130000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6130000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":6130000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1312000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3461000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4458000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3188000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":3188000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":3188000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3188000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":3188000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2922000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2551000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2783000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3872000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":3872000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":3872000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2012-12-31","val":2937000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q4I"},{"end":"2013-09-30","val":4140000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2014-09-30","val":8869000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":416000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":414000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":407000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":383000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":383000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":383000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":383000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":383000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1596000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":750000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":741000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":323000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":323000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":323000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":323000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":323000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":316000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":326000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":324000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":315000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":315000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","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":"2012-01-01","end":"2012-12-31","val":-10053000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-9892000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-9892000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-1637000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-1637000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1637000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":7000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":7000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":7000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":26000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":26000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":26000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-11000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-11000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-11000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":19000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":19000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":19000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":19000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":19000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-688000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-688000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2011-12-31","val":9329000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":4596000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":4596000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":58000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":58000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1893000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":1893000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":1893000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2280000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":2280000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1380000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":1380000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1017000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":1017000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"DeferredTaxAssetsGoodwillAndIntangibleAssets":{"label":"Deferred Tax Assets, Goodwill and Intangible Assets","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1479000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1479000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1749000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1749000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":857000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2011-12-31","val":47316000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":73246000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":73246000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":73255000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":73255000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":74339000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":74339000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":74339000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":87195000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":87195000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":95698000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":96115000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":91868000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":91868000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":133969000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":143356000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":159825000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":159825000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":198298000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":198298000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":244280000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":244280000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":256585000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsInProcessResearchAndDevelopment":{"label":"Deferred Tax Assets, in Process Research and Development","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.","units":{"USD":[{"end":"2012-12-31","val":5298000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":5298000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":6495000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":6495000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5950000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":5950000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":5950000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5504000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":5504000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":7180000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":7180000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4143000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":4143000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3938000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3938000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":704000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":704000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":487000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":487000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":286000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":12218000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsLiabilitiesNet":{"label":"Deferred Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.","units":{"USD":[{"end":"2012-12-31","val":13297000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":35749000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":-5509000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":-5509000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":-6639000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","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":"2012-12-31","val":23276000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2012-12-31","val":23276000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2013-09-30","val":45325000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"}]}},"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":"2011-12-31","val":0,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q4I"},{"end":"2012-03-31","val":15038000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-12-31","val":50427000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":72121000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":23669000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":23669000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":28356000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":28356000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":28356000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":15380000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":15380000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":10876000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":10876000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":5847000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":5847000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2927000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":12314000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":6859000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":6859000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":5785000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":5785000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1690000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1690000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":522000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2011-12-31","val":0,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q4I"},{"end":"2012-03-31","val":10000000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":10532000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11351000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":12473000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":12473000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":12473000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":12473000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":12473000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":16476000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":13785000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3824000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1659000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":1659000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":1659000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":1659000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":1659000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1661000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1587000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":138000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q4I"},{"end":"2015-03-31","val":170000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":172000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":82000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"}]}},"DeferredTaxAssetsNetNoncurrent":{"label":"Deferred Tax Assets, Net of Valuation Allowance, Noncurrent","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.","units":{"USD":[{"end":"2012-06-30","val":20961000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"}]}},"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":"2011-12-31","val":9483000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":45391000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":45391000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":46482000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":46482000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":40505000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":40505000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":40505000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":41251000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":41251000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":57404000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":57404000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":60771000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":60771000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":106446000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":103582000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":118163000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":118163000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":143045000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":143045000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":187129000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":187129000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":198162000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2011-12-31","val":91000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":6021000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":6021000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5551000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":5551000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":9082000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":9082000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":9082000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":9887000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":9887000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":10530000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":10530000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":-5066000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":7185000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":11861000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":11861000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":17420000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":17420000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":20267000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":20610000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":3114000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsPropertyPlantAndEquipment":{"label":"Deferred Tax Assets, Property, Plant and Equipment","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4746000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4746000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":57000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","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":"2011-12-31","val":7766000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1155000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1848000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":8066000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":8066000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":9045000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":9045000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":9045000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":22082000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":22082000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":11480000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":11480000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":14255000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":14255000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":21618000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":21618000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":22724000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":22724000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":25424000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":25424000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":27341000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":27341000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":27669000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.","units":{"USD":[{"end":"2011-12-31","val":5333000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":2896000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2896000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3486000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3486000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":3703000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3703000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":3703000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4828000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":4828000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":5546000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":5963000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":10046000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":10046000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5057000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5057000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":4385000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":4385000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4037000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4037000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5470000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":5470000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":4136000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Returns and Allowances","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated returns and sales allowances.","units":{"USD":[{"end":"2011-12-31","val":1877000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":7889000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":7889000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3117000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3117000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":4161000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":4161000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":4161000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1363000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":1363000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2178000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":2178000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1636000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":1636000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1976000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1976000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1069000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":1069000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1061000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1061000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1198000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1198000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":636000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2011-12-31","val":47316000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":45600000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-12-31","val":22819000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1100000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":1818000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":49586000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":49586000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":45983000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":45983000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":45983000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":71815000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":71815000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":84822000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":85239000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":86021000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":86021000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":131042000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":131042000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":152966000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":152966000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":192513000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":192513000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":242590000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":242590000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":256063000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2013-12-31","val":7168000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":6639000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":6639000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":6675000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":6675000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":1438000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1469000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2013-12-31","val":7168000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":7168000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":7168000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":7168000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8241000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8167000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6989000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":6569000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":6569000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":6569000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":6569000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":6569000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":6808000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6753000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6659000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":6779000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6849000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6831000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6739000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6675000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":6675000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":6675000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6749000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6802000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"}]}},"DeferredTaxLiabilitiesOther":{"label":"Deferred Tax Liabilities, Other","description":"Amount of deferred tax liability attributable to taxable temporary differences classified as other.","units":{"USD":[{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":421000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":421000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":545000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":545000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"DepositAssets":{"label":"Deposit Assets","description":"The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.","units":{"USD":[{"end":"2018-12-31","val":6792000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":6792000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":6792000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":6792000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6760000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10549000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12628000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8740000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":8740000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":8740000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":8740000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":8740000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":9285000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11223000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10804000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1996000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1996000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":1996000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2022000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2530000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"}]}},"DepositsAssetsCurrent":{"label":"Deposits Assets, Current","description":"Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.","units":{"USD":[{"end":"2012-12-31","val":304000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":190000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":13591000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"}]}},"DepositsAssetsNoncurrent":{"label":"Deposits Assets, Noncurrent","description":"Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.","units":{"USD":[{"end":"2013-12-31","val":190000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":190000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q4I"},{"end":"2014-03-31","val":292000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":193000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"}]}},"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":"2011-01-01","end":"2011-12-31","val":900000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":400000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":700000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":300000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":300000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":700000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":700000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":900000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":900000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":1100000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1100000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1100000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":200000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":200000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":400000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":400000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":500000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":500000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":700000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":200000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":200000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":300000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":300000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":400000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":400000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":500000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":500000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":500000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":100000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":100000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":200000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":200000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":200000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":200000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":300000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":300000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":300000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":49000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":49000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":112000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":100000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":100000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":200000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":200000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":100000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":300000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":200000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":100000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":100000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":100000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":300000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":200000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":100000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":400000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":400000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":100000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":100000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":100000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-12-31","val":300000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2"}]}},"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":"2009-01-01","end":"2009-12-31","val":4244000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":2136000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":3320000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":4506000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":4506000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":1152000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":2480000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":2480000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":3991000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":3991000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":5650000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":5650000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5650000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1668000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":1668000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":4043000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":4043000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":6714000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":6714000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":10166000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":12243000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":12243000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3269000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":5346000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":6618000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":10772000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":16249000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":16249000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":22096000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":22096000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":22096000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5980000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":5980000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":12179000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":12179000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":18692000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":18692000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":25352000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":25352000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":25352000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":7017000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":7017000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":14129000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":14129000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":21235000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":21235000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":31869000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":31869000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":31869000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":6008000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":6008000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":12480000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":12480000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":19493000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":19493000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":26492000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":26492000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":26492000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":6982000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":6982000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":13961000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":13961000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":20965000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":20965000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":27972000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":27972000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":27972000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":6995000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":6995000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":13993000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":13993000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":21000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":21000000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":28409000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":28409000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1331000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":1331000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1400000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":1400000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":1487000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1487000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":1620000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1620000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":140000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":140000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":282000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":282000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-105000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-105000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":261000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":261000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":65000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":65000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":138000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":138000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":212000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":212000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":286000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":286000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":73000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":73000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":147000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":200000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":248000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":45000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"DerivativeAssets":{"label":"Derivative Asset","description":"Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.","units":{"USD":[{"end":"2019-03-31","val":793000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"}]}},"DerivativeInstrumentsAndHedgesLiabilities":{"label":"Derivative Instruments and Hedges, Liabilities","description":"Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.","units":{"USD":[{"end":"2010-12-31","val":3904000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2010-12-31","val":3904000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":3904000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2011-06-30","val":10391000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011Q4I"}]}},"DilutiveSecuritiesEffectOnBasicEarningsPerShareOther":{"label":"Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities","description":"Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of dilutive convertible securities excluding adjustments related to ESOP convertible preferred stock, stock options, and restrictive stock units.","units":{"USD":[{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":886000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":886000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"}]}},"DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax":{"label":"Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax","description":"Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":33644000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":33644000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":33644000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":33644000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":33451000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":33451000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":34568000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":34568000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare":{"label":"Discontinued Operation, Income (Loss) from Discontinued Operation, 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, when the per share amount is the same.","units":{"USD/shares":[{"start":"2017-01-01","end":"2017-12-31","val":0.1,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0.03,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":0.06,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0.19,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":0.21,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0.21,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":0.08,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"}]}},"DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare":{"label":"Discontinued Operation, Income (Loss) from Discontinued Operation, 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.","units":{"USD/shares":[{"start":"2018-01-01","end":"2018-06-30","val":0.02,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-0.01,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0.03,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":0.19,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.19,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":0.19,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0.2,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0.2,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":0.01,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0.01,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3"}]}},"DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare":{"label":"Discontinued Operation, Income (Loss) from Discontinued Operation, 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.","units":{"USD/shares":[{"start":"2018-01-01","end":"2018-06-30","val":0.02,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-0.01,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2019-01-01","end":"2019-06-30","val":0.19,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3"}]}},"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":"2018-01-01","end":"2018-03-31","val":1100000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":700000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-400000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":800000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":100000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":6800000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":6700000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":7000000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":6900000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":200000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":200000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":7200000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":7100000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":200000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":200000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"}]}},"DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent":{"label":"Disposal Group, Including Discontinued Operation, Assets, Noncurrent","description":"Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2018-12-31","val":132625000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":132625000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":132625000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":132625000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown":{"label":"Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down","description":"Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":3057000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":3057000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":2900000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":3057000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":3057000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2012-12-31","val":9000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2012-12-31","val":9000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"DividendsPreferredStock":{"label":"Dividends, Preferred Stock","description":"Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":6000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"}]}},"DueFromRelatedParties":{"label":"Due from Related Parties","description":"For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":2393000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":2393000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":2393000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":2393000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":2393000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2135000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"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":"2009-01-01","end":"2009-12-31","val":-0.48,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-1,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":-0.2,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-1.08,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":-0.09,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-0.99,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-0.99,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0.25,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2011-01-01","end":"2011-03-31","val":0.25,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.39,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":0.39,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.14,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":0.14,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.14,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.77,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":0.77,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":0.38,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":0.38,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":0.38,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.91,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":0.91,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.94,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":0.15,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":0.8,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":0.8,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":0.8,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":0.8,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1.1,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":1.1,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":0.31,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.31,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":0.31,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":0.31,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":1.47,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":1.48,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":0.36,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":0.36,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0.37,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":0.37,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.61,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1.61,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1.61,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.15,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":0.13,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-0.05,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-0.09,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-03-31","val":-0.09,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-03-31","val":-0.09,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-0.22,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-0.17,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-0.16,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-04-01","end":"2013-06-30","val":-0.16,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-0.38,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-1.02,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-1.02,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1.02,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-0.63,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-10-01","end":"2013-12-31","val":-0.63,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q1"},{"start":"2014-04-01","end":"2014-06-30","val":-0.06,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-04-01","end":"2014-06-30","val":-0.06,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q2"},{"start":"2014-07-01","end":"2014-09-30","val":-0.18,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-07-01","end":"2014-09-30","val":-0.18,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-0.71,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-0.71,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-0.71,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-0.05,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-10-01","end":"2014-12-31","val":-0.05,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-0.39,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-03-31","val":-0.39,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":-0.04,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-04-01","end":"2015-06-30","val":-0.04,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":-0.28,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-07-01","end":"2015-09-30","val":-0.28,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-0.78,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-0.78,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-0.81,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-0.07,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-10-01","end":"2015-12-31","val":-0.07,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-0.14,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-03-31","val":-0.15,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":-0.35,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-04-01","end":"2016-06-30","val":-0.36,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":-0.22,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-07-01","end":"2016-09-30","val":-0.22,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-0.94,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-0.96,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-0.96,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-0.22,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-10-01","end":"2016-12-31","val":-0.23,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-0.3,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-03-31","val":-0.3,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.57,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-0.27,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-04-01","end":"2017-06-30","val":-0.27,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.78,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.22,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-07-01","end":"2017-09-30","val":-0.22,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1.07,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-1.07,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-0.29,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-06-30","val":-0.02,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-0.02,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0.13,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0.13,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.69,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-0.69,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1.16,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-0.18,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.43,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-0.43,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.67,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-0.67,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-0.23,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.23,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-0.28,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.28,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.29,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-0.25,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-0.78,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-0.78,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-0.26,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-0.17,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-0.37,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-0.12,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-0.41,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-0.02,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"EarningsPerShareBasicAndDiluted":{"label":"Earnings Per Share, Basic and Diluted","description":"The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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":"2010-01-01","end":"2010-12-31","val":-0.99,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2013-01-01","end":"2013-06-30","val":-0.26,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-0.16,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-0.38,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-0.49,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-0.49,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-0.06,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-0.06,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-0.66,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-0.66,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-0.18,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-0.18,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":-0.39,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-0.39,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-0.43,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-0.43,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-0.04,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-0.04,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-0.71,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-0.71,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-0.28,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-0.28,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":-0.14,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-0.14,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-0.5,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-0.5,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-0.35,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-0.35,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-0.73,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-0.73,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-0.22,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-0.22,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-0.3,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-0.3,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.55,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-0.26,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-0.27,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.78,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-0.78,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.22,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-0.22,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.22,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1.08,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-0.29,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-0.16,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-0.16,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":-0.16,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-0.19,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":0.13,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":0.14,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.69,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-0.69,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1.17,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-0.47,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":-0.52,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-0.17,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-03-31","val":-0.18,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.43,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.67,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-0.67,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-0.23,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.24,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-07-01","end":"2019-09-30","val":-0.23,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-0.24,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-1.02,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-1.02,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-0.36,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-10-01","end":"2019-12-31","val":-0.36,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.28,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.29,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.29,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-0.36,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-0.25,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"}]}},"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":"2009-01-01","end":"2009-12-31","val":-0.48,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-1,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":-0.2,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-1.08,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":-0.09,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-0.99,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-0.99,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0.23,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2011-01-01","end":"2011-03-31","val":0.23,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.35,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":0.35,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.12,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":0.12,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":0.12,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.7,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":0.7,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":0.34,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":0.34,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":0.34,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.84,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":0.84,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.86,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":0.13,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":0.71,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":0.71,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":0.71,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":0.72,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1.01,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":1.01,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":0.29,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":0.29,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":0.29,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":0.29,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":1.32,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":1.34,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":0.33,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":0.33,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":0.33,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":0.33,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.46,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1.46,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1.46,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.13,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":0.12,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-0.05,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-0.09,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-03-31","val":-0.09,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-03-31","val":-0.09,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-0.22,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-0.17,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-0.16,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-04-01","end":"2013-06-30","val":-0.16,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-0.38,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-07-01","end":"2013-09-30","val":-0.13,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-1.02,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-1.02,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1.02,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-0.63,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-10-01","end":"2013-12-31","val":-0.63,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-03-31","val":-0.44,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q1"},{"start":"2014-04-01","end":"2014-06-30","val":-0.06,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-04-01","end":"2014-06-30","val":-0.06,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q2"},{"start":"2014-07-01","end":"2014-09-30","val":-0.18,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-07-01","end":"2014-09-30","val":-0.18,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-0.71,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-0.71,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-0.71,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-0.05,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-10-01","end":"2014-12-31","val":-0.05,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-0.39,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":-0.04,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":-0.28,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-0.78,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-0.78,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-0.81,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-0.07,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-12-31","val":-0.94,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-0.96,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-0.96,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-0.3,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.57,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-0.27,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.78,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.22,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1.07,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-1.07,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":-0.02,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-0.02,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0.13,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0.13,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.69,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1.16,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":-0.43,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-0.28,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.29,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-0.25,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-0.78,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-0.78,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-0.26,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-0.17,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-0.37,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-0.12,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-0.41,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-0.02,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2012-01-01","end":"2012-06-30","val":0.2045,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":0.181,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2013-01-01","end":"2013-03-31","val":0.559,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.196,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":0.31,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":0.39,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"}]}},"EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent","description":"Percentage of domestic federal statutory tax rate applicable to pretax income (loss).","units":{"pure":[{"start":"2013-01-01","end":"2013-09-30","val":0.35,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2014-01-01","end":"2014-03-31","val":0.35,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.35,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":0.35,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2015-01-01","end":"2015-03-31","val":0.35,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.35,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":0.35,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2016-01-01","end":"2016-03-31","val":0.35,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.35,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":0.35,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2017-01-01","end":"2017-03-31","val":0.35,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0.35,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":0.35,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"}]}},"EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations":{"label":"Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations","description":"The effect of exchange rate changes on cash balances in continuing operations held in foreign currencies.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":85000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":85000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":128000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":128000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":202000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":202000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":202000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-140000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-140000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-184000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-184000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-1305000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-1305000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-2235000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-2235000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-2235000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":496000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":496000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-228000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-228000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-1838000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-1838000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-1708000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-1708000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-1708000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1354000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-1354000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-1263000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-1263000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-1095000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-1095000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1254000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1254000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1254000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":68000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":68000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-44000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-44000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":113000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":113000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-25000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-25000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-25000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":26000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":26000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":182000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":182000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":270000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":270000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":316000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":316000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-21000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-286000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-309000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":-356000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts 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":[{"start":"2017-01-01","end":"2017-12-31","val":316000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-356000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":-144000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-50000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-50000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-86000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-95000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-91000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-91000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-82000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-82000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":13000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":13000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-4000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-4000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-5000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-5000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":8000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":8000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-16000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-61000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-55000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":2000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations":{"label":"Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations","description":"Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies; including, but not limited to, 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":[{"start":"2018-01-01","end":"2018-03-31","val":-21000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-286000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-309000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":-55000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-55000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-6000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-6000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-144000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2020-01-01","end":"2020-03-31","val":-86000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-95000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"}]}},"EmployeeRelatedLiabilitiesCurrent":{"label":"Employee-related Liabilities, Current","description":"Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2010-12-31","val":3313000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2010-12-31","val":3313000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":3313000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2011-06-30","val":2816000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":3638000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1788000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":1788000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":1788000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":1788000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":1788000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-03-31","val":3021000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3505000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":15057000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":4835000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q4I"},{"end":"2012-12-31","val":4835000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":4835000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":4835000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":3720000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4363000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7771000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"}]}},"EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense":{"label":"Share-based Payment Arrangement, Expense, Tax Benefit","description":"Amount of tax benefit for recognition of expense of award under share-based payment arrangement.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":2700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":2700000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"}]}},"EquitySecuritiesFvNi":{"label":"Equity Securities, FV-NI","description":"Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"end":"2018-06-30","val":95038000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":53928000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":46422000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":46422000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":46422000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":46422000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":46422000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":33142000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":32153000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":33559000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":31047000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":31047000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":31047000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":31047000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":31047000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":20497000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":23085000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":14129000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":24946000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":24946000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":24946000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":24946000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":24946000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":18136000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":10675000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":10237000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5718000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":5718000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":5718000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":5718000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":5718000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":4655000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1499000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":258000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":136000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":136000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"}]}},"EquitySecuritiesFvNiCost":{"label":"Equity Securities, FV-NI, Cost","description":"Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.","units":{"USD":[{"end":"2018-06-30","val":8710000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8710000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":8710000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":8710000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":8710000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":8710000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":8710000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":8710000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8710000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":8710000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6310000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":6310000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":6310000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":6310000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":6310000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6310000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5008000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5008000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3764000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":3764000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":3764000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":3764000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":3764000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3537000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3530000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3528000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3512000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":3512000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":3512000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":3512000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":3512000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3508000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":350000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"}]}},"EquitySecuritiesFvNiRealizedGain":{"label":"Equity Securities, FV-NI, Realized Gain","description":"Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-06-30","val":2674000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":2674000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":2674000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":2674000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":189000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":542000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":660000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":542000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":678000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":2856000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":2856000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":4121000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":4121000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":4580000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2022-01-01","end":"2022-03-31","val":645000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":645000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1390000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2023-01-01","end":"2023-03-31","val":250000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"EquitySecuritiesFvNiRealizedGainLoss":{"label":"Equity Securities, FV-NI, Realized Gain (Loss)","description":"Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":10458000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-12665000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":2674000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1408000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1408000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":4580000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":5722000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":5722000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":-1094000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-1346000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"EquitySecuritiesFvNiUnrealizedGain":{"label":"Equity Securities, FV-NI, Unrealized Gain","description":"Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":58600000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":48500000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-12-31","val":10458000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"EquitySecuritiesFvNiUnrealizedGainLoss":{"label":"Equity Securities, FV-NI, Unrealized Gain (Loss)","description":"Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":10200000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-11800000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":17700000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-9700000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-40900000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":10500000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":10500000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-12200000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":400000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":2000000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":-12700000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"ExcessTaxBenefitFromShareBasedCompensationFinancingActivities":{"label":"Excess Tax Benefit from Share-based Compensation, Financing Activities","description":"Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":2181000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":2181000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":3752000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-09-30","val":3752000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"}]}},"ExcessTaxBenefitFromShareBasedCompensationOperatingActivities":{"label":"Excess Tax Benefit from Share-based Compensation, Operating Activities","description":"Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":2181000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":2181000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":3752000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-09-30","val":3752000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"}]}},"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":"2016-01-01","end":"2016-06-30","val":6000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":6000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":6000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":6000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":6000000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-12-31","val":6000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":6000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"}]}},"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":"2012-09-30","val":14500000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"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":"2011-01-01","end":"2011-12-31","val":3488000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":3488000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"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":"2017-01-01","end":"2017-12-31","val":-744000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-389000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"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":"2010-12-31","val":3904000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":3904000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010Q4I"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":14520,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2012-12-31","val":14520000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012Q4I"},{"end":"2013-03-31","val":19214000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":19214000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":23351000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":23351000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":29851000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":26071,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":26071000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":26071000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":26071000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":26071000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":26071000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2013-12-31","val":26071000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2013-12-31","val":26071000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2013-12-31","val":26071000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013Q4I"},{"end":"2014-03-31","val":26559000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":27246000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":26641000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":23127000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2014-12-31","val":23127000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":22961000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":22477000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":22307000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2015-12-31","val":21352000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015Q4I"},{"end":"2016-03-31","val":22218000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":16376000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":16075000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2016-12-31","val":14445000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":14283000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":14172000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":16977000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":18658000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":18658000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":18658000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":18658000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":18658000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":18846000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":18946000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":17671000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":16342000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2011-12-31","val":17024000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":17024000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":17024000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":17024000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-03-31","val":18447000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-03-31","val":18447000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1I"},{"end":"2012-06-30","val":20571000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":22902000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":25802000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":27879000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":28584000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":31465000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":43282000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":48975000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":48975000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":48975000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":48975000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":48975000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":54690000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":60363000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":66169000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":72383000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":72383000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":72383000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":72383000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":72383000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":78427000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":85507000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":92539000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":102797000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":102797000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":102797000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":102797000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":102797000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":109166000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":115167000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":122207000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":128213000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":128213000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":128213000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":128213000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":128213000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":135319000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":143222000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":150686000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":157855000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":157855000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":157855000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":157855000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":157855000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":165295000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":171277000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":178080000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":185132000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, after Year Five","description":"Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized 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":"2012-06-30","val":21366000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":37379000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2013-12-31","val":93867000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":72491000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":72487000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":76445000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":77720000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":58674000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":58673000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":58673000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":58672000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":48926000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":28646000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":28646000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":28648000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":12765000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":12764000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":12764000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":12764000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":10297000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10298000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10297000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":10298000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2012-06-30","val":8658000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11495000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11495000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":22468000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":22900000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":22877000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":26342000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":25937000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":24203000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":24256000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":24289000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":23360000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":24023000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":27620000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":27635000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":27537000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":27560000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":27665000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":27719000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":27743000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":25185000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":25095000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":25084000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":27333000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2012-06-30","val":4329000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2874000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2014-03-31","val":17175000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":11438000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6585000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2015-03-31","val":20712000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13835000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6926000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2016-03-31","val":18017000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":13810000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6909000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2017-03-31","val":20670000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":13832000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6930000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2018-03-31","val":20843000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13850000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6923000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"}]}},"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":"2013-12-31","val":22313000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":19180000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":19157000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":22622000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":23332000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":15714000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":15727000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":15735000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":15505000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":14634000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":18266000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":18266000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":18266000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":15882000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":15882000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":15882000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":15882000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2467000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2467000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2467000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2467000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2012-06-30","val":8658000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11495000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11495000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":22468000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":22745000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":22722000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":26187000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":25937000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":21597000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":21651000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":21683000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":20762000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":16113000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":19736000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":19740000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":19715000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":18266000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":18266000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":18266000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":18266000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":15882000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":15882000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":15882000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":15882000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2012-06-30","val":8658000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11495000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11495000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":22468000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":22900000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":22877000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":26342000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":25937000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":24203000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":24257000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":24289000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":23368000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":21417000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":25014000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":25029000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":24931000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":19721000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":19747000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":19761000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":19767000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":18266000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":18266000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":18266000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":18266000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2012-06-30","val":8658000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11495000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11495000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":22468000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":22900000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":22877000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":26342000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":25937000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":24203000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":24256000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":24289000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":23368000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":24023000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":27620000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":27635000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":27537000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":24955000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":25059000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":25114000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":25137000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":19779000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":19756000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":19754000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":19748000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2011-12-31","val":58678000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q4I"},{"end":"2011-12-31","val":58678000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":80898000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":228918000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"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":"2010-12-31","val":29605000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":29605000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":29605000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":43962000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":43078000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":41654000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":41654000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":41654000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":41654000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q4I"},{"end":"2012-03-31","val":40231000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":60327000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":204633000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":83911000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":206052000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":200291000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":194435000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":210865000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":204800000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-03-31","val":189306000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":182655000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":175884000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":165035000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":167153000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":160712000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":153860000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":146634000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":139819000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":133215000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":126436000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":119559000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":112719000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":105614000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":98673000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":93994000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"FiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments":{"label":"Finite-Lived Intangible Assets, Translation and Purchase Accounting Adjustments","description":"Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments and purchase accounting adjustments.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":-1383000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":-355000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-355000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-991000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-663000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":263000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":682000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":682000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-12-31","val":682000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-12-31","val":682000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":682000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":636000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":453000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":-1232000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":-2162000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-2162000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-12-31","val":-2162000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-12-31","val":-2162000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-2162000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-4452000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-4023000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":-3762000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-12-31","val":-4353000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-4353000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-12-31","val":-4353000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-12-31","val":-4353000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-4353000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-3566000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-4006000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":-3818000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":-5038000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-5038000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":-5038000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-12-31","val":-5038000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-5038000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-4747000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-3448000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":-2763000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":-2471000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-2471000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-01-01","end":"2017-12-31","val":-2471000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-12-31","val":-2471000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-2471000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1871000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-2994000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-3132000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":-3409000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"ForeignCurrencyTransactionGainLossUnrealized":{"label":"Foreign Currency Transaction Gain (Loss), Unrealized","description":"Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":-1354000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-1354000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":-847000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-847000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-107000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-107000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-107000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-959000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-959000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-654000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-654000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-675000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-675000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-1222000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-1222000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1222000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":364000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":364000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-606000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-606000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-4469000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-4469000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-6033000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-6033000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-6033000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1128000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-1128000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-3992000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-3992000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-435000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-435000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":157000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":157000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":157000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-14000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-14000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-3000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-3000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":155000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":155000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":153000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":153000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":153000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":11000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":11000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":15000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":15000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":18000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":18000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":23000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":23000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":5237000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":8000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":8000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-10000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-10000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-17000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-17000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-10000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-31000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":5000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":5000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":5000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":5000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":1469000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":6000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":22000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-508000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":-501000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":-495000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-495000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-460000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-460000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-76000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"GainLossOnDerivativeInstrumentsNetPretax":{"label":"Gain (Loss) on Derivative Instruments, Net, Pretax","description":"Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":8075000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":4401000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":2826000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":6030000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":1629000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":2731000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":2731000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-5250000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-6487000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":-6487000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-1237000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":-1237000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-3488000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":-3488000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":2999000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":2999000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-3488000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":-3488000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-3488000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2013-01-01","end":"2013-09-30","val":-202000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-202000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-356000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-356000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-356000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"GainLossOnDispositionOfAssets":{"label":"Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-11000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-11000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":-31000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":-31000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":-38000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":-38000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-38000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":-115000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":-132000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-132000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-132000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"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":"2012-01-01","end":"2012-09-30","val":-115000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-3000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-3000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-4000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-2000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-2000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-1000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"GainOnSaleOfInvestments":{"label":"Gain on Sale of Investments","description":"The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":189000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":118000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":136000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":232000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":232000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":630000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"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":"2012-06-30","val":2389000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":29976000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":28973000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":28973000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":28973000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":7279000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":7279000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":28904000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":28940000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7900000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":18501000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":18501000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":18501000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":18501000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":18501000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":18496000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":18476000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":18295000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":18195000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":18195000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":18195000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":18195000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":18195000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":17949000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":17995000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":18023000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":17960000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":17960000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":17960000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":17960000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":17960000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":18044000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":17997000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":18017000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":17886000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":17886000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":17886000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":17886000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":17886000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":17917000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":18057000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":18131000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":18162000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":18162000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":18162000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":18162000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":18162000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":18227000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":18106000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":18091000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":18061000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"GoodwillForeignCurrencyTranslationGainLoss":{"label":"Goodwill, Foreign Currency Translation Gain (Loss)","description":"Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":-437000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-12-31","val":-437000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-437000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":-400000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":-380000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":-511000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-511000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":-511000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-12-31","val":-511000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-511000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-480000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-340000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":-266000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":-235000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-235000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-01-01","end":"2017-12-31","val":-235000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-12-31","val":-235000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-235000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-170000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-291000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-306000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":-336000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"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":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"}]}},"GoodwillTranslationAdjustments":{"label":"Goodwill, Translation Adjustments (Deprecated 2016-01-31)","description":"Amount of increase (decrease) from foreign currency translation adjustments 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":[{"start":"2012-01-01","end":"2012-06-30","val":-136000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":-99000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":-37000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-37000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-12-31","val":-37000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-12-31","val":-37000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-37000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-106000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-70000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":29000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":104000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":104000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-12-31","val":104000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-12-31","val":104000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":104000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":99000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":79000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":-103000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":-202000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-202000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-12-31","val":-202000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-12-31","val":-202000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-202000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-448000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-402000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":-374000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-12-31","val":-437000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-437000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-353000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"}]}},"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":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"ImpairmentOfIntangibleAssetsFinitelived":{"label":"Impairment of Intangible Assets, Finite-lived","description":"The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.","units":{"USD":[{"start":"2013-04-30","end":"2013-05-29","val":1023000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-30","end":"2013-05-29","val":1023000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":1023000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":1023000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":1023000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1023000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1023000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":1023000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":1023000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1023000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-12-31","val":1023000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-12-31","val":1023000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":1023000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":8183000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":8183000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":8183000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-12-31","val":8183000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":8183000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-12-31","val":8183000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-12-31","val":8183000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":8183000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":8183000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":8183000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":8183000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":8183000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":8183000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":8183000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-12-31","val":8183000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":8183000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":8183000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":8183000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":8183000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":8183000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":8183000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-01-01","end":"2017-12-31","val":8183000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-12-31","val":8183000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":8183000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":8183000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":8183000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":8183000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":8183000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"IncomeLossAttributableToParent":{"label":"Income (Loss) Attributable to Parent, before Tax","description":"Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":-72083000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-108026000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-122693000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-120010000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-128607000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-144594000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-144594000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-171332000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"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":"2017-01-01","end":"2017-12-31","val":-100752000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-19172000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-4279000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":14894000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-73451000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-69172000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-126706000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-39820000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-39846000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-39846000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-68603000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-68629000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-28783000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-28783000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-28783000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-95160000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-95186000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-26557000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-26557000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-26557000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-135386000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-135386000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-40200000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-40617000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-40617000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-03-31","val":-40617000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-72846000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-72846000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-32229000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-32229000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-04-01","end":"2020-06-30","val":-32229000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-121364000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-121364000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-48518000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-48518000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-07-01","end":"2020-09-30","val":-48518000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-171272000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-171272000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-49908000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-35676000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-35676000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-85613000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-85613000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-49937000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-49937000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-118686000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-118686000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-33073000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-33073000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-158436000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-158436000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-15402000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-15402000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-44447000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-29045000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-66376000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-21929000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-78104000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-5006000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Domestic","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-48868000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":52420000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":53834000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":81215000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":82165000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":82165000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-30437000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-30437000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-30437000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-37327000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-37327000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-37327000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-56554000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-56554000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-58411000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-68718000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-69976000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-69976000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-109678000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-109678000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-121507000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-125177000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-133165000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-139682000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-139682000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-173398000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-173398000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-158552000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-158552000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-78126000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":79930000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-36636000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-36636000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-43533000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-43533000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-43533000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-50379000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-50379000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-52236000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-70825000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-72083000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-72083000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-23748000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-44344000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-20597000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-64103000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-19759000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-108026000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-108026000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-122692000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-15813000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-20239000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-2068000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-4977000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":13747000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":15264000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-70784000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-74290000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-68716000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-69314000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-120010000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-128607000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-48062000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-48062000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-77057000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-77057000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-28995000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-28995000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-103814000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-103814000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-26757000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-26757000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-144594000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-144594000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-40617000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-40617000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-72837000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-72837000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-32220000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-32220000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-121349000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-121349000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-48512000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-48512000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-171332000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-171332000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-35683000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-35683000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-85604000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-85604000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-49921000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-49921000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-118677000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-118677000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-33073000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-33073000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-158432000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-158432000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-15386000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-15386000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-44418000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-29032000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-66331000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-21913000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-78058000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-5006000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Foreign","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-19000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-199000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-199000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-2235000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-2235000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-2235000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-6199000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-6199000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-6199000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-6205000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-6205000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-6205000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":6175000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6175000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6175000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-2107000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-2107000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-2107000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1652000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":1652000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-1185000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":5167000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4558000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-4912000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-4912000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2066000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":2066000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":120000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":120000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":68000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2009-01-01","end":"2009-12-31","val":-19771000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-48690000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":-9676000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-53363000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":-4673000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-48887000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-48887000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":12777000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":21631000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":21631000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":8854000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":8854000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":42536000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":42536000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":20905000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":20905000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":52221000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":52221000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":53635000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":23241000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":23241000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":44296000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":44296000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":21055000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":21055000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":67345000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":68657000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":23049000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":23402000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":78980000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":79930000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-6129000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-7775000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-16830000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-20467000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-10701000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-12692000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-33011000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-33011000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-12545000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-12545000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-36636000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-27563000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-27563000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-32427000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-32427000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-4864000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-4864000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-40489000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-40489000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-8062000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-8062000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":-25424000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-25424000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-27793000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-27793000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-2369000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-2369000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-46595000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-46595000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-18802000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-18802000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":-9387000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-9387000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-33787000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-33787000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-24401000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-24401000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-51705000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-51705000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-17919000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-17919000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":-23168000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-43381000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-20213000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-63556000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-20175000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"}]}},"IncomeLossFromContinuingOperationsPerBasicAndDilutedShare":{"label":"Income (Loss) from Continuing Operations, Per Basic and Diluted Share","description":"The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.","units":{"USD/shares":[{"start":"2017-01-01","end":"2017-12-31","val":-1.18,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-0.19,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":-1.23,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":-1.22,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-1.22,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":-1.38,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-0.25,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"}]}},"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":"2018-01-01","end":"2018-06-30","val":-0.04,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0.15,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.72,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.66,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.63,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-0.63,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.86,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-0.86,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-0.24,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.24,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-0.29,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.29,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.38,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-0.25,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-0.77,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-0.77,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-0.26,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-0.17,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-0.37,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-0.12,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-0.43,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-0.02,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2018-01-01","end":"2018-06-30","val":-0.04,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0.14,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2019-01-01","end":"2019-06-30","val":-0.63,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-0.26,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"},{"start":"2020-01-01","end":"2020-06-30","val":-0.65,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-0.29,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.02,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-0.37,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.38,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-0.25,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-0.57,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-0.32,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-0.77,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-0.77,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-0.21,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1.02,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-0.09,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-0.26,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-0.17,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-0.37,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-0.12,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-0.43,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-0.02,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2017-01-01","end":"2017-12-31","val":8563000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3356000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2205000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-1150000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2659000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":454000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":5965000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":20665000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":20587000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":21053000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":20975000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":388000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":388000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":21625000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":21547000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":572000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":572000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":22697000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":22697000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":45000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":45000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":189000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":189000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":144000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":144000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":255000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":255000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":66000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":66000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":10404000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":10404000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-21000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-21000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-216000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-216000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-195000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-195000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-227000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-227000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-11000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-11000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-192000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-192000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-40000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-40000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-43000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-3000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-39000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":4000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":2703000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-1000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncomeTaxExaminationPenaltiesExpense":{"label":"Income Tax Examination, Penalties Expense","description":"The amount of estimated penalties recognized in the period arising from income tax examinations.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"}]}},"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":"2010-01-01","end":"2010-09-30","val":-79000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":-79000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-43000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":1650000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":1650000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":1650000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":1650000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":2300000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":2300000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":650000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":650000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":3704000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3704000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-23301000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-20316000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-20316000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":2985000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":2985000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-18579000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-18054000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":1737000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":1878000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-15565000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-14271000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-14271000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3340000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-2340000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-3864000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-5310000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-524000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-2971000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-10249000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-10249000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-4733000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-4733000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":25498000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":25498000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":25498000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":78000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":78000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-1223000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-1223000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-1301000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-1301000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":2254000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":2254000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":3477000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":3477000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2186000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":2186000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":2186000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":138000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":138000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":115000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":115000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-23000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-23000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":37000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":37000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-78000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-78000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":406000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":406000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":406000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-66000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-66000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-171000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-171000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-106000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-106000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-635000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-635000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-464000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-464000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-2313000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-2313000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-2313000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-201000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-201000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":54000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":54000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":255000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":255000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-1412000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-1412000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-1466000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-1466000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-16778000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-16778000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-21941000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-1067000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":6000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-698000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":3000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":370000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":8000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-839000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":2000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-142000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-1901000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-8242000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-8216000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-8454000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-8428000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-212000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-212000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-8654000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-8628000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-200000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-200000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-9208000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-9208000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":9000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":9000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":9000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":9000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":15000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":15000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":6000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":6000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-60000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-60000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-7000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-7000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":9000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":9000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":16000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":16000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":9000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":9000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":16000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":16000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":29000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":13000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":45000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":16000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":46000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems":{"label":"Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations","description":"Amount of current tax expense (benefit) and deferred tax expense (benefit) pertaining to income (loss) from continuing operations and income (loss) from discontinued operations.","units":{"USD":[{"start":"2018-01-01","end":"2018-06-30","val":6000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":3000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":8000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":3000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":-1500000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-1500000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-1500000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-1500000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-1500000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-1500000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-11000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-11000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"}]}},"IncomeTaxExpenseBenefitContinuingOperationsGovernmentGrants":{"label":"Income Tax (Expense) Benefit, Continuing Operations, Government Grants","description":"Amount of tax (expense) benefit from continuing operations attributable to government grants to the extent recognized as a reduction of income tax expense.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":978000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":978000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"IncomeTaxesPaid":{"label":"Income Taxes Paid","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":45000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":27000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":27000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2042000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":2042000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2042000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":17157000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":17157000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":17157000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":197000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":197000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":329000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":329000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":329000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":329000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":329000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":329000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":329000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":331000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":331000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":332000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":332000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":332000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":332000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":335000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":335000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":335000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":9000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":9000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":11000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":11000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":11000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":11000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":11000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":11000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":11000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":10000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":10000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":10000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":17000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":17000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":17000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":27000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-12-31","val":45000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":45000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":38000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":38000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":14000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"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":"2017-01-01","end":"2017-09-30","val":10000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":27000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":38000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":38000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":33000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":33000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":38000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":38000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":14000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":14000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":14000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":14000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":14000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":4000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":12000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":12000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":12000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":12000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":12000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":12000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":39000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"IncomeTaxesReceivableNoncurrent":{"label":"Income Taxes Receivable, Noncurrent","description":"Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.","units":{"USD":[{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":668000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":668000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":668000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":668000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":668000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":668000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":668000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":668000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":668000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":668000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":668000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":668000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":668000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":668000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":668000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":668000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":334000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":334000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"IncomeTaxReceivable":{"label":"Income Taxes Receivable","description":"Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.","units":{"USD":[{"end":"2013-12-31","val":7539000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":7539000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":7539000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-06-30","val":9098000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6261000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1387000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":1387000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":1387000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1387000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":1387000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1658000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1651000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1749000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1301000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":1301000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1301000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":1301000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":1301000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":754000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1209000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1264000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1388000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":1388000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":1388000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1388000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":1388000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":83000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":665000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":665000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":665000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":665000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":665000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":637000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":638000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":632000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":643000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":643000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":643000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":643000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":643000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":643000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":632000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":632000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":973000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":973000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":973000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":973000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":973000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1306000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1305000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1297000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1297000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1297000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":1297000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":1297000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":1297000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1297000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1297000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1297000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"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":"2010-01-01","end":"2010-12-31","val":-15150000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-24521000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-25087000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-46191000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-44519000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-44519000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":36734000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":36734000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":36734000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-4856000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-4856000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-4856000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":23575000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":23575000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":24294000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":13917000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":14334000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":14334000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-440000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-440000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-440000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":44862000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":44862000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":23920000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":23920000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":41677000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":41677000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":50077000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":50077000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":13716000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2012-01-01","end":"2012-12-31","val":338000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":338000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":338000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-283000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-283000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-283000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-519000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-519000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-519000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-903000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-903000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-903000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-744000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-744000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-744000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":37769000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":37769000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":37768000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-1329000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-1329000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1126000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1126000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-1091000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-1091000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-6671000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-6671000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":3288000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"IncomeTaxReconciliationDeductions":{"label":"Effective Income Tax Rate Reconciliation, Deduction, Amount","description":"Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to deduction. Includes, but is not limited to, dividend deduction, deduction for dividend paid to employee stock ownership plan (ESOP), Medicare prescription drug benefit subsidy deduction, and other deductions.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":1262000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1262000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1262000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-767000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-767000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-767000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":630000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":630000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":630000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"}]}},"IncomeTaxReconciliationForeignIncomeTaxRateDifferential":{"label":"Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, 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 foreign income tax expense (benefit).","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":382000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":382000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":382000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1123000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1123000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1123000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1570000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1570000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1570000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1435000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1435000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1435000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":15000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":15000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":15000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":33000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":33000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":33000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-32000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-32000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-31000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-31000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-1000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-1000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"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":"2010-01-01","end":"2010-12-31","val":-16658000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":17755000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":18250000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":27642000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":27975000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":27975000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-12822000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-12822000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-12822000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-15236000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-15236000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-15236000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-17619000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-17619000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-18269000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-24777000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-25217000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-25217000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-37809000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-37809000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-42614000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-25202000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-26854000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-30365000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-30365000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-35980000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-35980000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-33210000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-33210000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-16392000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, 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 research and development expense.","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":400000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":400000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"}]}},"IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount","description":"Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":1397000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1676000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1676000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":134000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":134000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":134000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":501000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":501000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":501000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":299000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":299000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":299000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":535000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":535000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":535000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":556000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":588000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":588000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-2735000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-2735000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-2734000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-12610000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-12610000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-230000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-230000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1619000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1619000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1234000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1234000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":2688000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"IncomeTaxReconciliationPriorYearIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, Prior Year 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 revisions of previously reported income tax expense (benefit).","units":{"USD":[{"start":"2014-01-01","end":"2014-03-31","val":1200000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1200000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":1500000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":1500000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"}]}},"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":"2010-01-01","end":"2010-12-31","val":-2082000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2847000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2918000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":2394000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2442000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":2442000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-246000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-246000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-246000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":66000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":66000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":66000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":232000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":232000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":163000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-261000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-307000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-307000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-1849000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-1849000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-2207000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-4827000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-5077000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-4126000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-4126000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-5142000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-5142000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-11050000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-11050000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-2913000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"IncomeTaxReconciliationTaxContingencies":{"label":"Effective Income Tax Rate Reconciliation, Tax Contingency, 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 income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2017-01-01","end":"2017-12-31","val":-561000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-27000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-27000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"IncomeTaxReconciliationTaxCredits":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":406000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1464000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1464000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":2129000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2129000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":2129000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2254000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":2254000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":2254000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2134000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":2134000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":2134000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2974000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2974000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3232000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"}]}},"IncomeTaxReconciliationTaxCreditsResearch":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, Research, 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 research tax credit.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":4148000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4148000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":4148000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2015-01-01","end":"2015-12-31","val":2974000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3232000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":3232000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1176000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":1176000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1176000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":4884000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4884000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":2526000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":2526000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2686000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":2686000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1838000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1838000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":328000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2009-01-01","end":"2009-12-31","val":-1118000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-113000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":807000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":12752000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":12752000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":31051000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":25711000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":25711000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":26904000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":26904000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":30897000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":30897000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":30897000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3735000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":3735000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":33105000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":33105000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":32334000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":32334000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":33504000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":33504000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":33504000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-52735000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-52735000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-39746000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-39746000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-37187000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-37187000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-42559000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-42559000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-42559000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":4454000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":4454000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":7231000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":7231000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":10556000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":10556000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":21671000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":21671000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":21671000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1864000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-1864000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-28966000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-28966000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-22537000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-22537000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-40245000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-40245000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-40245000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-11186000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-11186000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":3904000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":3904000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":12040000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":12040000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":9494000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":9494000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":9494000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-310000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-310000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2105000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":2105000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-2143000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-2143000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-7694000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-7694000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-7694000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":583000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":583000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-5087000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-5087000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-3252000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-3252000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-2844000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-2844000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-14914000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-14914000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-27314000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-27314000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-29359000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-29359000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-29420000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-29420000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-1000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-1000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":-68000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-68000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-66000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-66000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-66000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-66000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":12996000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":19759000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInContractWithCustomerLiability":{"label":"Increase (Decrease) in Contract with Customer, Liability","description":"Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.","units":{"USD":[{"start":"2017-01-01","end":"2017-06-30","val":-700000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-483000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":4850000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4850000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":2395000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":2395000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-3490000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-3490000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-4850000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-4850000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncreaseDecreaseInDeferredRevenue":{"label":"Increase (Decrease) in Deferred Revenue","description":"Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"start":"2013-01-01","end":"2013-09-30","val":1271000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":302000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":302000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-123000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-123000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":9803000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":9803000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":9803000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":9803000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":9803000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":7555000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":7555000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-2531000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-2531000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":359000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":359000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-3511000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-3511000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-3511000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-3768000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-3768000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-2383000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-2383000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-1417000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-1417000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-2985000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-2985000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-2985000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-296000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-296000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-700000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":-483000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":593000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":593000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":593000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"IncreaseDecreaseInEmployeeRelatedLiabilities":{"label":"Increase (Decrease) in Employee Related Liabilities","description":"The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":404000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-928000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":-804000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":-47000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-47000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-1059000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-497000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":-497000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":325000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":325000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":-1525000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":-1525000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-1525000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1233000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":1233000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1717000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":1717000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":496000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":496000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-9726000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-9726000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-9726000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1115000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-1115000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-472000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-472000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1324000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":1324000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":425000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":425000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":425000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-2464000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-2464000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-1723000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-1723000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-9000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-9000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":1594000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1594000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1594000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-4056000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-4056000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-2645000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-2645000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-1286000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-1286000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-233000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-233000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-233000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-3641000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-3641000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-1697000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-1697000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-451000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-451000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":790000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":790000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":790000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-3807000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-3807000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-2737000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-2737000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-1343000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-1343000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":280000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":280000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":280000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-5860000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-5860000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-4314000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-4314000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-1517000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-1517000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":592000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":592000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-4685000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-4685000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-4592000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-4592000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-3378000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-3378000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-2168000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-2168000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-3118000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-3118000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-1812000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-1812000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":427000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":427000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":1689000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1689000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-4408000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-4408000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-2971000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-2971000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-1085000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-1085000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":2596000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":2596000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-5338000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-5338000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-4053000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-4360000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-7391000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-1078000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInIntangibleAssetsCurrent":{"label":"Increase (Decrease) in Intangible Assets, Current","description":"The increase (decrease) during the reporting period in intangible assets (for example patents and licenses).","units":{"USD":[{"start":"2014-01-01","end":"2014-09-30","val":25000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":25000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"}]}},"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":"2009-01-01","end":"2009-12-31","val":1389000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-108000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":565000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":1054000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":1054000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":2386000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":5165000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":5165000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":6051000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":6051000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":7848000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":7848000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":6528000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-1815000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":-1815000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-2639000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-2639000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":492000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":492000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":734000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-3530000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-3530000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2774000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":2140000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1875000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":834000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1424000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-447000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-1570000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-1570000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1570000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-600000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-600000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-2638000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-2638000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-3576000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-3576000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-4253000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-4253000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-4253000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-121000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-121000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-398000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-398000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-2127000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-2127000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1863000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1863000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1863000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2741000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":2741000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":4678000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":4678000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":6768000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":6768000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":5800000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":5800000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":5800000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1204000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":1204000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-428000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-428000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-554000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-554000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-4318000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-4318000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-4318000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-657000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-657000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-816000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-816000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-2862000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-2862000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-3390000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-3390000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2037000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":2037000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2037000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":2037000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":2037000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":2037000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":2037000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":2037000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-09-30","val":9373000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":9230000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":3632000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities":{"label":"Increase (Decrease) in Other Accounts Payable and Accrued Liabilities","description":"The increase (decrease) during the reporting period in other obligations or expenses incurred but not yet paid.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":7097000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":7072000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":9516000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":21546000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":21546000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-4262000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":7677000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":7677000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":6350000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":6350000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":16067000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":16067000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":15711000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1847000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":1847000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":36409000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":36409000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":26586000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":26618000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":24787000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":24038000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":24038000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-15267000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-14600000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-9671000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-11495000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-26104000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-26104000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-23897000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-23897000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-23897000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-8424000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-8424000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-10659000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-10659000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":21964000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":21964000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":5304000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":5304000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":5304000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2778000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-2778000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-13052000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-13052000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-5638000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-5638000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-28298000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-28298000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-28298000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-9074000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-9074000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-8353000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-8353000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-6595000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-6595000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-4033000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-4033000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-4033000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-4269000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-4269000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3519000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":3519000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-2954000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-2954000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":5518000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":5518000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6459000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-7207000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-7207000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-8210000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-8210000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-457000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-457000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":11382000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":12112000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-14255000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-14151000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-33438000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-33334000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-35337000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-35233000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-35769000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-35769000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-3919000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-3919000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-3277000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-3277000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":426000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":426000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-22053000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-22053000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-1681000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-1681000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":5933000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":5933000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":4376000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":4376000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-3513000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-3513000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-9944000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-9944000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-8362000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":389000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-3709000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":7498000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInOtherNoncurrentLiabilities":{"label":"Increase (Decrease) in Other Noncurrent Liabilities","description":"Amount of increase (decrease) in noncurrent operating liabilities classified as other.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-3389000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":325000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-464000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-218000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-564000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1024000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":1024000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1843000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":1843000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":2234000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":2234000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":3047000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":3047000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-2153000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-2153000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-2162000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-2162000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-2134000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-2134000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-172000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-172000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":96000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":96000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":988000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":988000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":654000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":654000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":480000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":480000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-3996000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-3996000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-5594000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-5609000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-5981000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-1187000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInOtherOperatingAssets":{"label":"Increase (Decrease) in Other Operating Assets","description":"Amount of increase (decrease) in operating assets classified as other.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":8989000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":8989000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":861000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":861000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1873000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":1873000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":13803000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":13803000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":13161000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":13161000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":13161000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":404000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":404000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2991000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":2991000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":1398000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1398000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":1731000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1731000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1731000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":824000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":824000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1374000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":1374000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":2095000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":2095000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":2043000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2043000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":2043000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1316000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-1316000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-863000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-863000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-183000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-183000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1573000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-1573000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-1573000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1693000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":1693000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-3451000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-3451000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-4890000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-4890000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-5010000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-5010000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":980000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":980000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1087000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":1087000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":1428000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1428000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":1188000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1188000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-823000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-823000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-401000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-401000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-6000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-6000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":317000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":317000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":36000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":36000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":1000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":89000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":89000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":310000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":310000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-288000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-288000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-834000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-976000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-4479000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":88000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInOtherReceivables":{"label":"Increase (Decrease) in Other Receivables","description":"Amount of increase (decrease) in receivables classified as other.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":647000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":647000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":4263000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":4263000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":1809000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1809000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-2070000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-2070000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-2070000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2399000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":2399000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2757000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":2757000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":8008000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":8008000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":7017000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":7017000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":7017000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2500000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":2500000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-5688000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-5688000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-5571000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-5571000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-6895000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-6895000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-6895000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":190000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":190000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1299000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-1299000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":88000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":88000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-3663000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-3663000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-3663000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":762000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":762000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":781000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":781000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":3002000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":3002000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1571000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1571000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3776000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":3776000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6535000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":6535000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":4068000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":4068000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":5871000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":5871000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-762000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-762000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-3257000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-3257000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-6370000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-6370000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-7165000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-7165000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":324000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":324000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1063000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":1063000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":1391000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":1391000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-1444000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1444000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-387000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-387000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-414000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-431000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-399000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":266000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets":{"label":"Increase (Decrease) in Prepaid Expense and Other Assets","description":"Amount of increase (decrease) in prepaid expenses, and assets classified as other.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":250000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-173000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":277000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":134000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":134000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-108000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-12000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":-12000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":-316000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":-316000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":7115000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":7115000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":7115000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":574000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":574000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":950000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":950000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":-9977000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-9977000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-9483000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-9483000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-9483000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":827000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":827000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":5691000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":5691000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":3193000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":3193000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":359000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":359000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":359000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":14484000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":14484000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":197000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":197000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":1292000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1292000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":718000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":718000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":718000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-436000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-436000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-1139000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-1139000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":133000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":133000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":446000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":446000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":446000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-1154000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-1154000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-553000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-553000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-804000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-804000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":423000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":423000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":423000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-204000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-204000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":439000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":439000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-972000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-972000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":6137000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":6137000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6137000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-2134000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-2134000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1167000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-1167000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":2362000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":2362000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":3642000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":3642000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-512000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-512000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3164000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":3164000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":5005000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":5005000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":2473000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":2473000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":960000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":960000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":945000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":945000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":2663000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":2663000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-1159000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-1159000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-670000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-670000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-804000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-804000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-1620000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-1620000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-1884000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1884000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1051000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":1051000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2735000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":617000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":795000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-330000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"IncrementalCommonSharesAttributableToContingentlyIssuableShares":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.","units":{"shares":[{"start":"2011-01-01","end":"2011-12-31","val":248193,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":248193,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"IncrementalCommonSharesAttributableToConversionOfPreferredStock":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.","units":{"shares":[{"start":"2011-01-01","end":"2011-06-30","val":40000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":40000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":40000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":40000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":40000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":40000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":40000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":40000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":40000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":40000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":40000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":40000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":40000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":40000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":40000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":40000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":40000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":40000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":40000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":40000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":40000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":40000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":40000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":40000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"}]}},"IncrementalCommonSharesAttributableToShareBasedPaymentArrangements":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.","units":{"shares":[{"start":"2011-01-01","end":"2011-06-30","val":3767162,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":4384113,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":3973475,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":4548411,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":4185224,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4185224,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":5993345,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":4483596,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":4483596,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":4069118,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":4069118,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":4959558,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":4863932,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":4749299,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4749299,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":4749299,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3921997,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":3921997,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":3211911,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":3211911,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":2412230,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":2412230,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":3247710,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":2881993,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"}]}},"InsuranceSettlementsReceivable":{"label":"Insurance Settlements Receivable","description":"Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1746000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":365000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":8148000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7100000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":2215000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":2215000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":2215000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7100000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2347000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":500000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":500000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":500000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-09-30","val":53000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":53000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":53000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":206000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":206000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":206000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":206000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":5674000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4781000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4015000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":4015000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":4015000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":4015000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":4015000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3337000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3031000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":74000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"IntangibleAssetsGrossExcludingGoodwill":{"label":"Intangible Assets, Gross (Excluding Goodwill)","description":"Amount before accumulated amortization of intangible assets, excluding goodwill.","units":{"USD":[{"end":"2012-12-31","val":228468000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-06-30","val":236168000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":280668000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":280668000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":280668000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":280668000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":280668000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":280668000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":280668000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":280668000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":305668000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":305668000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":305668000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":305668000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":305668000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":305668000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":305668000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":305668000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":305668000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":305668000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":305668000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":305668000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":305668000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":305668000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":305668000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":305668000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":305668000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":305668000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":305668000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":305668000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":305668000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":305668000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":305668000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":305668000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":305668000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":305668000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":305668000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":305668000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":305668000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":305668000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":305668000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":305668000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":305668000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":308318000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"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":"2011-12-31","val":41654000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":41654000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-03-31","val":40231000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-03-31","val":40231000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1I"},{"end":"2012-12-31","val":202311000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":202311000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":202311000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":200234000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":200234000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":206593000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":203017000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":236626000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":231352000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":231352000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":231352000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":231352000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":231352000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":225591000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":219735000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":237244000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":230100000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":230100000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":230100000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":230100000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":230100000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":214606000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":207955000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":201184000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":190335000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":190335000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":190335000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":190335000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":190335000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":184753000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":178312000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":171460000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":164234000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":164234000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":164234000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":164234000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":164234000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":157419000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":150815000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":144036000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":137159000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":137159000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":137159000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":137159000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":137159000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":130319000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":123214000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":116273000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":111594000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"InterestAndDividendIncomeOperating":{"label":"Interest and Dividend Income, Operating","description":"Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":500000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":217000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":217000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2103000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":4299000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":6502000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":8717000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":8717000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":8717000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2257000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":4546000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":6863000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-12-31","val":9212000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":9212000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":9212000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2381000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":2381000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":4795000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":4795000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":7242000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":7242000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":9694000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":9694000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":9694000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":2304000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":2304000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":4628000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":4628000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":2324000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":6997000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":6997000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":2369000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":8072000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":8072000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":873000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":873000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1761000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":1761000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":886000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":886000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2534000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":2534000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":793000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":793000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":3132000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"InterestIncomeExpenseNet":{"label":"Interest Income (Expense), Net","description":"The net amount of operating interest income (expense).","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":297000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-485000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-485000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-421000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-818000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-397000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-1542000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-628000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-2192000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-2192000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-2192000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-2067000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-2067000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-4043000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-4043000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-1976000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-1976000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-6404000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-6404000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-2361000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-2361000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-8584000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-8584000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-8584000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2228000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-2228000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-4486000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-4486000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-2258000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-2258000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-6760000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-6760000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-2274000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-2274000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-9074000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-9074000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-9074000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-2340000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-2340000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-4714000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-4714000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-2375000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-2375000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-7087000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-7087000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-2373000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-2373000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-9435000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-9435000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-9435000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-2052000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-2052000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-4182000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-4182000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-2131000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-2131000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-6196000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-6196000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-2014000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-2014000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-6798000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-6798000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-6798000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-230000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-230000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-472000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-473000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-242000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-242000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-484000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-484000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-12000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-12000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-340000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-340000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1061000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":1061000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2556000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":2556000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":1495000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":1495000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4076000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":4076000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":1521000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":1521000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4996000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":4996000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":704000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":704000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1029000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":1029000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":325000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":325000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1217000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":1217000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":188000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":188000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1342000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1342000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":84000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":84000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":110000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":110000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":26000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":26000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":121000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":121000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":11000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":11000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":163000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":215000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":11000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":13000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":128000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":117000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":256000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":128000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":968000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":559000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"InterestPaid":{"label":"Interest Paid, Including Capitalized Interest, Operating and Investing Activities","description":"Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to 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; classified as operating and investing activities.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":28000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":17000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":17000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":14000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":14000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":14000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":495000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":495000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":495000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":421000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":998000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1588000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":1588000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":1588000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1588000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":3227000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":3227000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":3227000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1650000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":1650000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":1650000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1650000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":3300000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":3300000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":3300000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1650000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":1650000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":1650000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":1650000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":3300000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":3300000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1513000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":1513000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":1513000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":1513000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":2692000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":558000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":558000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"}]}},"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":"2016-01-01","end":"2016-12-31","val":3300000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2692000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2692000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":558000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":558000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1031000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1031000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-12-31","val":792000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":767000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"InterestReceivable":{"label":"Interest Receivable","description":"Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":414000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":627000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":561000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":561000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":561000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":561000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":561000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":497000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":198000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":293000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":196000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":196000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":196000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":196000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":196000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":259000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":77000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":123000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"InventoryFinishedGoodsNetOfReserves":{"label":"Inventory, Finished Goods, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.","units":{"USD":[{"end":"2011-12-31","val":4823000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":4823000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":4823000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":4823000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":2393000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4595000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":6289000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":6240000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":6240000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":9582000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":9582000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":8846000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8413000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":8413000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":8413000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":8413000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":8413000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8577000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6694000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4929000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3714000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3714000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3714000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3714000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3714000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3007000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2517000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2013000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1498000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":1498000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1498000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":1498000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":1498000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":839000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2792000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1380000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2305000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":2305000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":2305000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2305000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2305000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1620000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3513000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3439000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5187000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":5187000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":5187000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":5187000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":5187000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":4332000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2647000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1515000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1193000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":723000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":723000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":151000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"InventoryNet":{"label":"Inventory, Net","description":"Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2010-12-31","val":4234000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":4234000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":4234000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":9399000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":10285000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":10762000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":10762000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":10762000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":10762000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":10762000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":10762000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-03-31","val":8859000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":7686000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":12978000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":14478000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":16618000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":16618000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":15312000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":15312000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":14642000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":13519000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":13519000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":13519000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":13519000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":13519000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":12919000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":10881000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":9943000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":9200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":9200000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":9200000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":9200000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":9200000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":9079000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":8794000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7071000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4176000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":4176000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":4176000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":4176000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":4176000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3155000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6405000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7303000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8715000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":8715000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":8715000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":8715000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":8715000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":10388000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":10157000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8983000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5715000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":5715000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":5715000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":5715000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":5715000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":5028000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4520000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3979000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3550000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-09-30","val":9373000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":9230000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":9230000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":12862000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"InventoryNoncurrent":{"label":"Inventory, Noncurrent","description":"Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":3156000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":3156000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3156000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":3156000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":3156000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6923000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":5606000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6800000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4419000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":4419000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":4419000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":4419000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":4419000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3950000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2548000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3596000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3100000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":3100000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":3100000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":3100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":3100000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3131000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3480000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1975000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1876000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"InventoryRawMaterialsNetOfReserves":{"label":"Inventory, Raw Materials, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.","units":{"USD":[{"end":"2011-12-31","val":1213000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":1213000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":1213000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":1213000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":1730000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1210000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":887000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":887000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1508000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":1508000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1580000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":1580000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2622000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1794000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":1794000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":1794000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":1794000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":1794000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1709000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2092000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1930000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1507000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":1507000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":1507000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1507000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":1507000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1054000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1061000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1057000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1606000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":1606000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":1606000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":1606000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":1606000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1782000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2199000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2632000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2991000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":2991000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":2991000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":2991000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":2991000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2028000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2767000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1683000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1077000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":1077000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":1077000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":1077000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":1077000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1251000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2149000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1870000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2024000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-09-30","val":9000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4500000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":4500000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4523000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"InventoryValuationReserves":{"label":"Inventory Valuation Reserves","description":"Amount of valuation reserve for inventory.","units":{"USD":[{"end":"2010-12-31","val":50000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010Q4I"},{"end":"2010-12-31","val":50000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":1343000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2011-12-31","val":1343000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":4188000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2012-12-31","val":4188000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"InventoryWorkInProcessNetOfReserves":{"label":"Inventory, Work in Process, Net of Reserves","description":"Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.","units":{"USD":[{"end":"2011-12-31","val":4726000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":4726000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":4726000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":4726000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":3563000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":7173000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":7302000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8870000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":8870000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4150000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":4150000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3174000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3312000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3312000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3312000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3312000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3312000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2633000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2095000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3084000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3979000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3979000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3979000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3979000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3979000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5018000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5216000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4001000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4228000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":4228000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":4228000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":4228000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":4228000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7457000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7020000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":10091000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":7838000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":7838000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":7838000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":7838000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":7838000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":10690000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6425000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7457000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2551000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":2551000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":2551000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":2551000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":2551000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2576000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3204000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2569000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2209000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-09-30","val":373000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4007000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":4007000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":8188000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"InventoryWriteDown":{"label":"Inventory Write-down","description":"Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":50000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":50000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":50000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":1320000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":1320000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1320000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2012-01-01","end":"2012-03-31","val":88000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":88000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-06-30","val":437000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":522000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":4264000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":4264000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":634000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1041000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":1871000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"}]}},"Investments":{"label":"Investments","description":"Sum of the carrying amounts as of the balance sheet date of all investments.","units":{"USD":[{"end":"2011-12-31","val":9283000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q4I"},{"end":"2011-12-31","val":9283000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"}]}},"LeaseAndRentalExpense":{"label":"Operating Leases, Rent Expense","description":"Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":640000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":640000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":601000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":601000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":700000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":875000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":875000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":900000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":900000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1900000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1900000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1900000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1700000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1500000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":1500000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":1500000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1600000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":1600000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1600000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1600000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1600000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"}]}},"LeaseCost":{"label":"Lease, Cost","description":"Amount of lease cost recognized by lessee for lease contract.","units":{"USD":[{"start":"2018-01-01","end":"2018-06-30","val":900000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":400000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1300000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":500000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":583000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":583000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1105000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":1105000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":582000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":582000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1584000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1584000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":479000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":479000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2207000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":2207000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":595000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":595000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1189000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":1189000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":594000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":594000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1758000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":1758000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":569000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":569000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2337000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":2337000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":608000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":608000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1125000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":1125000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":541000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":541000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1600000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":1600000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":473000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":473000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":2152000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":2152000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":545000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":545000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1085000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":540000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1395000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":309000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":1587000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":196000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"LegalFees":{"label":"Legal Fees","description":"The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.","units":{"USD":[{"end":"2015-10-27","val":100000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-10-27","val":200000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q3I"}]}},"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":4485000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4597000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4204000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4520000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4044000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3563000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3074000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2585000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2097000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1644000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3180000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2841000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2380000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1920000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2084000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1886000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1685000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":1934000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-06-30","val":1671000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1671000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1670000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":828000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":828000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1301000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1344000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-03-31","val":657000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":657000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":804000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":804000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":820000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":87000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":87000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":87000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-09-30","val":73000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":73000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":828000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":828000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":828000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":87000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-03-31","val":87000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":98000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":98000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":73000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":1303000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1465000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1465000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":828000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-03-31","val":828000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":87000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":87000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":87000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":669000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":669000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-03-31","val":98000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":98000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":188000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":188000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":73000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":1252000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1442000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1441000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1671000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1671000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":827000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":827000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":828000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":87000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":87000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":657000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":657000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-03-31","val":669000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":669000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":821000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":821000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":188000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":1015000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":775000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":383000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2020-03-31","val":1458000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":978000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":489000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2021-03-31","val":1182000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":729000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":382000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2022-03-31","val":883000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":423000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":198000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2023-03-31","val":604000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":563000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":526000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":449000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":465000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-03-31","val":338000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":269000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":209000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":158000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":115000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":81000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":136000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":107000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-03-31","val":83000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":66000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":83000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":69000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":56000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"Liabilities":{"label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","units":{"USD":[{"end":"2010-12-31","val":89155000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":89155000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":89155000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":108822000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":92041000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":92873000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":92873000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":92873000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":92873000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":92873000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":94430000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":124821000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":229853000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":221428000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":221428000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":221428000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":216274000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":216274000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":201750000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":182969000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":151369000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":217549000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":217549000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":217549000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":217549000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":217549000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":209130000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":209294000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":253076000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":235479000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":235479000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":235479000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":235479000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":235479000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":238273000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":220191000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":232922000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":208363000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":206192000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":206192000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":206192000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":206192000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":193075000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":193305000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":198647000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":192742000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":192742000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":192742000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":192742000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":192742000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":186136000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":196320000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":197081000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":136100000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":136100000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":136100000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":136100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":136100000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":119979000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":120403000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":125849000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":107624000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":107624000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":107624000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":107624000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":119476000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":80109000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":67885000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":59107000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":73040000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":73040000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":73040000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":73040000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":73040000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":62224000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":63656000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":69578000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":62555000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":62555000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":62555000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":62555000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":62555000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":56568000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":66457000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":68337000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":63995000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":63995000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":63995000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":63995000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":63995000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":44798000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":45987000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":83077000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":75450000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":75450000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":80870000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":163631000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":163631000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":163631000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":222676000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":265874000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":280780000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":333881000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":387572000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":509541000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":506274000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":506274000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":506274000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":504955000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":504955000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":486128000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":460569000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":453733000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":499155000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":474981000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":474948000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":509668000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":490033000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":490033000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":468642000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":454329000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":447661000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":421220000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":419049000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":401393000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":429204000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":449444000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":428768000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":403506000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":395087000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":501817000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":487439000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":444273000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":464522000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":412627000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":390886000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":352658000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":322668000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":293826000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":263433000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":215992000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":194253000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":237938000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":196798000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":179007000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":175045000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":147801000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":111548000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":100054000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":79429000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":118929000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":103338000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":103338000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":107675000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"LiabilitiesAssumed1":{"label":"Liabilities Assumed","description":"The fair value of liabilities assumed in noncash investing or financing activities.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":580000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":580000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":580000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":580000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":580000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":580000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"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":"2010-12-31","val":63322000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":63322000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":63322000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":89209000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":75553000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":78537000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":78537000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":78537000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":78537000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":78537000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":82695000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":116025000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":134660000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":128397000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":128397000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":128397000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":123243000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":123243000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":103453000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":107759000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":93990000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":89984000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":89984000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":89984000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":89984000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":89984000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":79399000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":77479000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":112873000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":109439000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":109439000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":109439000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":109439000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":109439000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":109808000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":90503000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":102340000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":76343000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":76343000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":76343000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":76343000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":76343000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":59526000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":58321000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":62332000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":65513000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":65513000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":65513000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":65513000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":65513000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":57185000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":64565000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":60207000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":109749000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":109749000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":109749000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":109749000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":109749000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":93422000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":94470000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":100945000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":86474000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":86474000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":86474000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":86474000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":98326000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":70320000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":56962000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":47794000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":61970000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":61970000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":61970000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":61970000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":61970000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":53698000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":55558000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":61098000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":53146000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":53146000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":53146000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":53146000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":53146000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":47379000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":56699000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":57272000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":53229000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":53229000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":53229000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":53229000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":53229000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":39208000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":41041000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":49624000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":42685000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":42685000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":38881000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"LiabilitiesFairValueDisclosure":{"label":"Financial and Nonfinancial Liabilities, Fair Value Disclosure","description":"Fair value of financial and nonfinancial obligations.","units":{"USD":[{"end":"2011-12-31","val":969000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":969000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":969000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":969000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":1496000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":16285000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":16885000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":16885000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":16885000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":22140000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":22140000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":26557000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":26557000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":33572000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":30020000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":30020000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":30020000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":30020000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":30020000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":30558000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":31773000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":31359000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":27821000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":27821000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":27821000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":27821000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":27821000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":28554000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":28466000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":28272000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":27810000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":27810000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":27810000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":27810000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":27810000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":29335000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":24048000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":23872000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":22797000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":22797000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":22797000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":22797000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":22797000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":23225000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":23718000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":27227000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":29696000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":29696000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":29696000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":29696000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":29696000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29014000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":24919000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":24207000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":22509000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":6167000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":6167000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":6167000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":6167000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7223000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7433000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7848000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8746000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":8746000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":8746000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":8746000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":8746000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7447000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7582000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8376000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":9783000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9709000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":10559000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":10489000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":11243000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":11243000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":11243000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":11243000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":11243000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":10500000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7648000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":7434000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4531000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":4531000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4062000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":2311000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":2311000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":2311000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent":{"label":"Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent","description":"Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2018-12-31","val":14031000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":14031000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":14031000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":14031000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"LicenseAndServicesRevenue":{"label":"License and Services Revenue (Deprecated 2018-01-31)","description":"Revenue from multiple-deliverable arrangements that include licensing fees and services revenue. Licensing revenue is consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. Services revenue may be derived by providing other, nonspecified, services during the reporting period.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":13192000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":12300000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":12300000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3075000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6150000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":3075000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-12-31","val":12715000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":12715000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":12715000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":9321000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":9321000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":10340000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":10340000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":1019000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":1019000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":11340000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":1000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":12379000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":12379000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":12379000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":28000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":28000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":28000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":28000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":102000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":102000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":74000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":74000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":293000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":293000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":205000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":205000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":10042000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":10042000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":9838000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":9838000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":10212000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":10212000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":170000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":170000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":25705000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":8625000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":8625000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":11686000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":11686000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":3062000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":3062000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":14807000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":14807000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":3121000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":3121000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":3256000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":3256000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":6401000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":3145000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":11562000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":5161000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":2384000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"LicensesRevenue":{"label":"Licenses Revenue (Deprecated 2018-01-31)","description":"Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":9321000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":3171000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2013-01-01","end":"2013-09-30","val":11340000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":1000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"}]}},"LifeInsuranceCorporateOrBankOwnedChangeInValue":{"label":"Life Insurance, Corporate or Bank Owned, Change in Value","description":"The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":137000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":137000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":137000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":104000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":104000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":153000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":153000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":266000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":266000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":418000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":418000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":418000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":5000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":5000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":5000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":5000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":5000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"LineOfCreditFacilityCommitmentFeeAmount":{"label":"Line of Credit Facility, Commitment Fee Amount","description":"Amount of the fee for available but unused credit capacity under the credit facility.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":10000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":10000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3"},{"start":"2013-01-01","end":"2013-03-31","val":63000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":63000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-06-30","val":118000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":118000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-09-30","val":100000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"}]}},"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":"2012-09-05","val":50000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2012-09-30","val":75000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-03-31","val":75000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":75000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":75000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":75000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":50000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":50000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":50000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":50000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":50000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":50000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"}]}},"LineOfCreditFacilityInterestRateAtPeriodEnd":{"label":"Line of Credit Facility, Interest Rate at Period End","description":"The effective interest rate at the end of the reporting period.","units":{"pure":[{"end":"2012-09-30","val":0.045,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0.0425,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0.0425,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":0.0425,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":0.0425,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-06-30","val":0.0425,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-06-30","val":0.0425,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"}]}},"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":"2012-09-30","val":125000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":125000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2012-12-31","val":125000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":125000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":125000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-06-30","val":125000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-06-30","val":125000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"}]}},"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":"2013-06-30","val":25000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-06-30","val":25000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"}]}},"LitigationSettlementAmount":{"label":"Litigation Settlement, Amount (Deprecated 2017-01-31)","description":"Amount of judgment or settlement awarded to (against) the entity in respect of litigation.","units":{"USD":[{"end":"2015-10-27","val":-7000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-10-27","val":-7000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-10-27","val":-7000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q3I"}]}},"LoansReceivableNet":{"label":"Loans Receivable, Net (Deprecated 2019-01-31)","description":"Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2215000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":2215000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"}]}},"LongTermInvestments":{"label":"Long-term Investments","description":"The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).","units":{"USD":[{"end":"2011-12-31","val":9283000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"}]}},"LongTermLineOfCredit":{"label":"Long-term Line of Credit, Noncurrent","description":"The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2012-09-30","val":75000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":75000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":75000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":50000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":25000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"}]}},"MarketableSecuritiesCurrent":{"label":"Marketable Securities, Current","description":"Amount of investment in marketable security, classified as current.","units":{"USD":[{"end":"2011-12-31","val":40060000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":40060000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":3550000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3308000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":3310000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3310000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":3310000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3312000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":3312000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3312000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3471000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3472000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3306000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3306000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3306000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3306000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3308000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3308000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":245000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":245000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":245000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":246000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":247000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":247000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":247000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":247000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":247000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":248000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":248000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":248000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"MarketableSecuritiesEquitySecuritiesCurrent":{"label":"Marketable Securities, Equity Securities, Current (Deprecated 2018-01-31)","description":"Amount of investments in equity securities and other forms of securities that provide ownership interests expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2012-12-31","val":2476000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3593000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3593000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3593000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3907000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4648000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"}]}},"MarketableSecuritiesNoncurrent":{"label":"Marketable Securities, Noncurrent","description":"Amount of investment in marketable security, classified as noncurrent.","units":{"USD":[{"end":"2011-12-31","val":9289000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":9289000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":9289000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":9289000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":295000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2643000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":2480000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3348000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2013-03-31","val":3348000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3449000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2013-06-30","val":3449000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3154000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"}]}},"MarketableSecuritiesUnrealizedGainLoss":{"label":"Marketable Securities, Unrealized Gain (Loss)","description":"Amount of unrealized gain (loss) on investment in marketable security.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":23000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":58634000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":17716000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-10000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-12183000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-11758000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-11758000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-9745000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-9745000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":6000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-12665000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-10238000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-10238000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-6622000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-6622000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-16029000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-16029000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-4487000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-4487000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-4999000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-4999000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-12387000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-12387000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-12816000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-12816000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-17266000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-17266000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-1538000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-1538000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-5488000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-3352000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-2919000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":40000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2009-01-01","end":"2009-12-31","val":-16981000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"}]}},"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":"2009-01-01","end":"2009-12-31","val":2067000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"}]}},"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":"2009-01-01","end":"2009-12-31","val":95940000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":981000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":1367000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":3599000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":3599000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":1274000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":2356000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":2356000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":24767000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":24767000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":23611000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":23611000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":23611000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":409000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":409000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":4424000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":4424000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":73792000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":73792000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":61025000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":61025000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1084000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-1084000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-18728000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-18728000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-42097000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-42097000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":35258000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":35258000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1241000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":1241000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1097000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":1097000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":1124000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1124000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":812000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":812000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":142000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":142000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":816000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":816000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":1188000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1188000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":1471000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1471000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1471000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-341000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-341000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":40267000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":40267000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":68907000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":68907000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":59644000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":59644000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":59644000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-788000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-788000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":132000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":132000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":115947000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":115947000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":108721000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":108721000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":108721000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-21121000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-21121000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-17503000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-17503000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-14464000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-14464000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-8457000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-8457000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6112000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":6112000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":8616000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":8616000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":9627000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":9627000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":3353000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":3353000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":84931000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":84931000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":85230000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":85230000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":53098000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":53098000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":53100000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":53100000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":53310000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":53310000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":25204000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":75669000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":75591000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":2113000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"NetCashProvidedByUsedInFinancingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Financing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of financing activities, excluding 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":"2012-01-01","end":"2012-12-31","val":61025000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":35258000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":812000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"}]}},"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":"2009-01-01","end":"2009-12-31","val":-5830000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-6604000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":-5493000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":-9834000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-9834000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":342000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-1156000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":-1156000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":-356000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":-356000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":746000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":746000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":746000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":856000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":856000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":19494000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":19494000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":-115701000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-115701000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-114690000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-114690000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-44000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-44000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-3127000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-3127000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-14316000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-14316000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-14330000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-14330000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-320000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-320000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-440000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-440000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":3285000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":3285000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-21841000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-21841000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-78000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-78000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-212000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-212000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":2849000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":2849000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":2838000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2838000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2838000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-79000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-79000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-62000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-62000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-62000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-62000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-679000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-679000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-679000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-137000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-137000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-769000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-769000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-1014000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-1014000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1081000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-1081000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-1081000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":4077000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":4077000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4084000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":4084000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":4084000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":4084000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1373000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1373000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":158451000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":158451000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":35034000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":35034000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":66125000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":66125000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":31992000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":31992000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":39363000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":39363000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":77842000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":77842000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":16200000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":16200000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":18072000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":18072000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":36644000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":36644000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":79594000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":79594000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":97469000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":97469000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":108711000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":108711000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":428000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":428000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-34473000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-36241000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-26718000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":31330000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"NetCashProvidedByUsedInInvestingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Investing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of investing activities, excluding 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":"2012-01-01","end":"2012-12-31","val":-114690000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-14330000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-21841000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"}]}},"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":"2009-01-01","end":"2009-12-31","val":-17634000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-29403000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":-32823000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":-22544000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-22544000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-16351000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":12292000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":12292000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":32325000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":32325000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":43288000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":43288000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":43288000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":26906000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":26906000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":44949000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":44949000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":63862000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":63862000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":71959000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":71959000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":21643000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":21643000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":3444000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":3444000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":-10006000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-10006000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-2086000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-2086000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-39989000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-39989000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-24330000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-24330000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-14643000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-14643000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-3627000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-3627000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-5287000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-5287000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":12988000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":12988000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":3643000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":3643000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":6744000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6744000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6744000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-7083000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-7083000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-24143000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-24143000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-37094000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-37094000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":-40459000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-40459000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-40459000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-20127000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-20127000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-19454000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-19454000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-25957000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-25957000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-38855000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-38855000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-38855000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-26745000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-26745000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-39247000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-39247000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":-50093000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-50093000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":-62403000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-62403000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-40055000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-40055000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-76349000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-76349000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-103439000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-103439000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":-134631000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-134631000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-33343000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-33343000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-60392000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-60392000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-88326000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-88326000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":-121629000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-121629000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-34491000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-34491000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-64141000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-64141000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-89139000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-89139000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":-119486000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-119486000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-30296000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-30296000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-53742000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-71651000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-96989000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-21440000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2012-01-01","end":"2012-12-31","val":71959000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-2086000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-3627000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"}]}},"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":"2009-01-01","end":"2009-12-31","val":-19046000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-48690000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":-9676000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-53284000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":-4594000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-48844000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-48844000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":19981000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":7204000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":40236000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":20255000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":48517000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":49931000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":94201000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":94201000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-5435000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-03-31","val":-5435000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-15157000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-9721000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-9721000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-22762000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-7812000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-7812000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-62134000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-62134000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-62134000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-39166000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-27641000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-27641000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-03-31","val":-27641000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":-27641000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-31204000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-31204000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-3563000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-3563000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-04-01","end":"2014-06-30","val":-3563000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-3563000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-42743000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-42743000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-11539000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-11539000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-07-01","end":"2014-09-30","val":-11539000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-11539000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-45719000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-45719000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-45719000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-2976000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-10-01","end":"2014-12-31","val":-2976000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-25562000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-25562000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-03-31","val":-25562000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":-25562000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-27908000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-2346000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-2346000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-04-01","end":"2015-06-30","val":-2346000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-46632000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-18724000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-18724000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-07-01","end":"2015-09-30","val":-18724000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-50785000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-50785000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-52642000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-4153000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-10-01","end":"2015-12-31","val":-4153000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-9321000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-9321000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-03-31","val":-9530000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":-24295000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-04-01","end":"2016-06-30","val":-24496000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":-17455000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-07-01","end":"2016-09-30","val":-17640000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-68512000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-69770000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-69770000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-17442000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-10-01","end":"2016-12-31","val":-18104000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-23547000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-03-31","val":-23547000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-23547000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-44398000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-20852000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-04-01","end":"2017-06-30","val":-20852000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-20852000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-62691000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-18293000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-07-01","end":"2017-09-30","val":-18293000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-18293000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-91248000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-91248000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-92189000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-28556000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-10-01","end":"2017-12-31","val":-28556000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-15816000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-15816000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":-15816000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-15816000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-03-31","val":-15816000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-03-31","val":-19243000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-2074000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-2074000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":13744000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":13744000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":13744000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":13744000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-04-01","end":"2018-06-30","val":14863000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-70792000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-70792000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-68718000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-68718000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-68718000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-69209000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-120011000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-120741000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-49221000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":-53117000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-19155000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-19155000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-03-31","val":-19155000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":-39846000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-03-31","val":-19259000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-19259000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":-19259000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-47550000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-47654000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-28395000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-28395000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":-28783000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-04-01","end":"2019-06-30","val":-28395000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-28395000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-73535000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-73639000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-25985000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-26557000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-07-01","end":"2019-09-30","val":-25985000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-112689000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-112689000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-40200000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-40572000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-40572000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":-40572000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":-40572000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-03-31","val":-40572000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-03-31","val":-40572000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-72657000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-72657000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-32085000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-32085000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-04-01","end":"2020-06-30","val":-32085000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-32085000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-121109000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-121109000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-48452000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-48452000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-160868000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-160868000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-35697000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-35697000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":-35697000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":-35697000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2021-01-01","end":"2021-03-31","val":-35697000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":-35697000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-85829000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-85829000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-50132000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-50132000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-04-01","end":"2021-06-30","val":-50132000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-50132000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-118913000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-118913000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-33084000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-33084000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-158628000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-158628000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-15442000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-15442000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-03-31","val":-15442000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-03-31","val":-15442000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-44490000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-29048000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-29048000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-66415000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-21925000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-75401000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-5007000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"NetIncomeLossAttributableToNoncontrollingInterest":{"label":"Net Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-1146000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"}]}},"NetIncomeLossAvailableToCommonStockholdersBasic":{"label":"Net Income (Loss) Available to Common Stockholders, Basic","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-48844000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"}]}},"NetIncomeLossAvailableToCommonStockholdersDiluted":{"label":"Net Income (Loss) Available to Common Stockholders, Diluted","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2017-01-01","end":"2017-06-30","val":-44398000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-20852000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2018-01-01","end":"2018-06-30","val":-2074000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-2074000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":14630000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":14630000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2019-01-01","end":"2019-06-30","val":-47550000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-28395000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"}]}},"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":"2011-01-01","end":"2011-12-31","val":-2911000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-844000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-844000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1318000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-1481000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-163000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-738000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":742000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2149000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":2149000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":2149000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-3149000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-3149000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-6617000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-6617000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-3468000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-3468000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-10552000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-10552000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-3935000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-3935000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-11964000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-11964000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-11964000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-3763000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-3763000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-6098000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-6098000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-2335000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-2335000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-8826000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-8826000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-2728000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-2728000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-9647000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-9647000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-9647000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-3104000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-3104000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-5423000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-5423000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-2320000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-2320000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-7346000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-7346000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-1923000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-1923000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-9197000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-9197000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-9197000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1839000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-1839000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-3826000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-3826000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-1988000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-1988000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-8531000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-8531000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-4705000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-4705000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-11366000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-11366000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-6409000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9451000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":9742000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":57508000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":57990000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":48058000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":48250000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":17816000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":17099000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-39692000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-40892000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":11167000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":9240000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-10224000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-10224000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-5007000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-5007000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":5217000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":5217000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-1471000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-1471000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":3536000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":3536000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-3896000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-3896000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-9830000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-9830000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-5560000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-5560000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":4270000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":4270000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-14503000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-14503000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-8943000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-8943000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1598000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-1598000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-1997000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-1997000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-7847000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-7847000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-5850000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-5850000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-7827000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-7827000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":20000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":20000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-10729000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-10729000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-1323000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-1323000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-4963000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-3640000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-5278000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-315000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-5361000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-136000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"NontradeReceivables":{"label":"Nontrade Receivables","description":"Carrying amounts due as of the balance sheet date of the sum of amounts receivable other than from customers.","units":{"USD":[{"end":"2019-12-31","val":9558000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":9558000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":9558000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":9558000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":8789000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6294000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3186000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2795000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3532000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3863000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1028000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1028000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":1028000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":1028000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":1028000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":639000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":608000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":586000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":617000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":617000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":883000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2014-09-30","val":1310000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"}]}},"NotesReceivableGross":{"label":"Financing Receivable, before Allowance for Credit Loss","description":"Amount, before allowance for credit loss, of financing receivable.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q4I"},{"end":"2015-06-30","val":1500000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-12-31","val":7100000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":7100000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":7100000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7188000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":350000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":350000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":500000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":500000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q4I"},{"end":"2017-03-31","val":759000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":53000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-12-31","val":53000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":53000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":53000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1095000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1130000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1458000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":206000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1576000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"}]}},"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":"2017-12-31","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1523000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1525000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1525000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1525000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":1525000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":1525000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1527000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1528000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"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":"2015-12-31","val":1500000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1510000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":1510000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":1510000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1510000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":1510000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1517000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":1517000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":1517000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":1517000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":1517000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1519000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1521000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.","units":{"Segment":[{"start":"2012-01-01","end":"2012-12-31","val":1,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":1,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":1,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":1,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":1,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":1,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-09-30","val":1,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-12-31","val":1,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":1,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":1,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":1,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":1,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":1,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":1,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":1,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":1,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":1,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":1,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}],"segment":[{"start":"2021-01-01","end":"2021-03-31","val":1,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":1,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-12-31","val":1,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":1,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":1,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-28508000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-52758000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":-12266000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":-59638000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":-6880000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":-52897000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-52897000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":17507000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2011-01-01","end":"2011-03-31","val":17507000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":27424000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":27424000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":9917000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":9917000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":9917000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":45474000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":45474000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":18050000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":18050000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":18050000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":55132000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":55132000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":56546000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":9658000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":23103000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":23103000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":23103000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":23596000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":45665000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":45665000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":22562000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":22562000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":22562000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":23028000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":68421000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":69733000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":22756000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":22756000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":23109000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":23109000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":79824000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":80774000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":80774000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":11403000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":11041000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-4811000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-6457000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-03-31","val":-6457000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-03-31","val":-6457000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-15349000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-18986000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-10538000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-12529000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-04-01","end":"2013-06-30","val":-12529000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-12529000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-32273000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-32273000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-13287000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-13287000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-07-01","end":"2013-09-30","val":-13287000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-13287000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-38785000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-38785000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-38785000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-6512000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-10-01","end":"2013-12-31","val":-6512000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-24414000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-24414000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-03-31","val":-24414000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":-24414000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-25810000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-25810000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-1396000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-1396000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-04-01","end":"2014-06-30","val":-1396000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-1396000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-29937000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-29937000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-4127000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-4127000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-07-01","end":"2014-09-30","val":-4127000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-4127000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-31569000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-31569000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-31569000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-1632000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-10-01","end":"2014-12-31","val":-1632000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-21661000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-21661000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-03-31","val":-21661000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":-21661000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-21695000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-21695000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-34000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-34000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-04-01","end":"2015-06-30","val":-34000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-34000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-37769000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-37769000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-16074000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-16074000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-07-01","end":"2015-09-30","val":-16074000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-16074000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-40732000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-40732000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-42589000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-2963000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-10-01","end":"2015-12-31","val":-2963000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-6283000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-6283000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-03-31","val":-6283000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-03-31","val":-6492000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-28364000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-28364000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-22081000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-22081000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-04-01","end":"2016-06-30","val":-22081000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-22282000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-44359000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-44359000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-15996000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-15996000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-07-01","end":"2016-09-30","val":-15996000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-16181000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-61628000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-62886000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-62886000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-17269000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-10-01","end":"2016-12-31","val":-17931000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-21329000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-21909000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-03-31","val":-21909000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":-21909000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-39555000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-40518000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-18225000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-18609000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-04-01","end":"2017-06-30","val":-18609000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-18609000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-55025000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-55572000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-15470000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-15054000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-07-01","end":"2017-09-30","val":-15054000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-15054000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-96660000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-96660000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-116284000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-41088000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-10-01","end":"2017-12-31","val":-41088000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-25264000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":-25264000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-03-31","val":-29981000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-29981000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-59576000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-62967000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-34311000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-34311000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-04-01","end":"2018-06-30","val":-32986000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-32986000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-88600000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-91389000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-29024000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-29024000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-07-01","end":"2018-09-30","val":-28422000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-28422000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-131177000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-137847000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-42578000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-10-01","end":"2018-12-31","val":-46458000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-37838000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-37838000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-03-31","val":-37838000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-37838000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-72050000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-72050000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-34212000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":-34212000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-04-01","end":"2019-06-30","val":-34212000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-34212000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-102343000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-102343000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-30293000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-30293000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-07-01","end":"2019-09-30","val":-30293000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-30293000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-140698000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-140698000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-38355000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-10-01","end":"2019-12-31","val":-38355000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-30787000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-30787000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-03-31","val":-30787000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-67277000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-67277000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":-36490000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-36490000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-04-01","end":"2020-06-30","val":-36490000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-106846000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-106846000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-39569000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-39569000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-07-01","end":"2020-09-30","val":-39569000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-169734000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-169734000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-62888000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-33686000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-33686000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-77757000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-77757000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-44071000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-44071000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-110850000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-110850000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-33093000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-33093000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-147703000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-147703000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-14063000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-14063000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-39455000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-25392000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-61053000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-21598000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-72697000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-4870000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":459000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":459000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":851000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":851000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":459000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":459000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1202000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1202000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":351000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":351000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1660000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1660000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":466000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":466000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":932000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":932000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":466000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":466000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1398000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":1398000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":466000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":466000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1865000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1865000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":466000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":466000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":893000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":893000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":427000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":427000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1274000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":1274000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":381000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":381000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1711000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1711000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":421000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":421000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":843000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":421000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1109000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":266000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":1298000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":189000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OperatingLeaseLiability":{"label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","units":{"USD":[{"end":"2019-03-31","val":3922000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4071000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3755000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4055000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":4055000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":4055000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":4055000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":4055000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3706000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2020-03-31","val":5300000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3294000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2865000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2427000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2427000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":2427000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":2427000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":2427000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1982000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1563000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3044000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2734000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":2734000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":2734000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":2734000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":2734000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2297000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1854000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2001000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1817000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":1817000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1629000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":808000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":642000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":326000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1683000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":1683000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":1683000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":1683000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":1683000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1725000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1731000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1655000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1544000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1544000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":1544000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":1544000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":1544000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1415000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1319000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1451000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1282000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1282000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":1282000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":1282000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":1282000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1001000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":715000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":752000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":761000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":761000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":771000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3114000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3429000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3429000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2372000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":2372000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":2372000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":2372000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":2372000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1981000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1563000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1210000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":883000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":883000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":883000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":883000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":883000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":567000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":244000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1593000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1452000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":1452000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":1452000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":1452000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":1452000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1296000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1139000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1249000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1056000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":1056000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":858000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":471000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":471000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":921000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":921000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":1266000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":1266000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":1835000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1835000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":593000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":593000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1201000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":1201000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":1805000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":1805000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":2401000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":2401000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":620000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":620000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1187000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":1187000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":1626000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":1626000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":2116000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":2116000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":584000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":584000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1164000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":1492000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":1693000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":208000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3774000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3842000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3531000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3806000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":3806000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":3806000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":3806000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":3806000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3467000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3068000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2662000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2247000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2247000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":2247000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":2247000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":2247000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1824000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1432000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2881000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2505000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":2505000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":2505000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":2505000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":2505000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2107000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1703000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1869000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1694000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":1694000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1518000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2012-12-31","val":3062,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":3062000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":4402000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":5095000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4124000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2841000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1861000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5308000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5308000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":5308000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":5308000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5308000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"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":"2013-12-31","val":849000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1210000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1283000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1172000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1308000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1486000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1486000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1486000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":1486000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1486000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in 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 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":"2012-12-31","val":374,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":374000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":868000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":460000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four 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 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":"2012-12-31","val":799,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":799000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":843000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1155000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":460000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":828000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":828000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":828000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":828000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":828000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in 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 third 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":"2012-12-31","val":845,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":845000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":892000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1120000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1209000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":460000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1465000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1465000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1465000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":1465000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1465000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two 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 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":"2012-12-31","val":1044,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1044000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":950000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1150000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1172000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1209000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":553000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1441000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":1441000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1441000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-06-30","val":1441000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1441000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"OperatingLeasesRentExpenseNet":{"label":"Operating Leases, Rent Expense, Net","description":"Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":400000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"}]}},"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":0.078,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.078,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.078,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.078,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0.078,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0.078,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0.078,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":0.078,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.078,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.078,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.078,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.078,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.078,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":0.078,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":0.078,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":0.078,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.078,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0.078,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0.042,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0.038,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0.038,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":0.038,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":0.038,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0.038,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0.034,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0.028,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0.03,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0.03,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0.03,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0.03,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"OtherAccruedLiabilitiesCurrent":{"label":"Other Accrued Liabilities, Current","description":"Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2011-12-31","val":9682000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":9682000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":9682000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":12726000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":10316000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2819000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2012-12-31","val":2819000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":2819000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":2819000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":2819000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2013-03-31","val":1863000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1459000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":778000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8867000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"}]}},"OtherAssetsCurrent":{"label":"Other Assets, Current","description":"Amount of current assets classified as other.","units":{"USD":[{"end":"2012-12-31","val":6475000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":12576000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":13621000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":15197000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":21156000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":17864000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":18808000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":19952000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17842000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":20683000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":19211000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":29549000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"}]}},"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":"2015-12-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":45000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":45000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":43000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2010-12-31","val":434000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":434000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":434000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":379000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":576000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1361000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":1361000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":1361000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":1361000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":1361000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2355000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2846000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":6228000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7569000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":7569000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":7569000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":6745000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":6745000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":9369000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":13568000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":8614000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":12577000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":13621000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":15197000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":21156000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":17864000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":17864000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":18808000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":19952000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17842000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":20683000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":19211000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":19211000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":19211000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":19211000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":25304000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":25600000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":28015000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":29549000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":29549000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":29549000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":29549000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":29549000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":30684000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":26684000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":35736000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":53783000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":53783000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":53783000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":53783000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":53783000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":18106000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13159000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10376000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":10158000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":7188000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":7188000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":7188000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":7188000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":8180000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8277000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":8613000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":4000000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":4000000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":4000000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":4000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3187000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3598000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3994000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4327000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4327000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":4327000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":4327000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":4327000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4363000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":4327000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":4415000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4636000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":4636000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":4636000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":4636000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":4636000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":4348000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3800000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3658000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":157000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":157000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":245000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax","description":"Amount, before tax and after 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":"2016-01-01","end":"2016-12-31","val":2217000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":9651000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"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":"2014-03-31","val":-118000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-398000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-279000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-2217000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-2217000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-2217000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-2217000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3"}]}},"OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax","description":"Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":3000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":3000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":3000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":3000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-57000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-57000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":-60000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":-60000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-84000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-84000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-84000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":114000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":114000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":171000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-361000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":57000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-37000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":49000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":49000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-122000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-122000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-69000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-69000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-69000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":88000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":88000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":183000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":183000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":95000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":95000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1080000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1080000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":897000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":897000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1595000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1595000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1595000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2006000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-2006000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-1900000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-1900000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":106000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":106000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-1913000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-1913000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":387000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":387000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-3040000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-3040000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-3040000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":473000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":473000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":158000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":158000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-315000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-315000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":254000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":254000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":96000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":96000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-445000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":-445000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":-445000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":152000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":152000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":944000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":944000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":792000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":792000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1349000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":1349000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":405000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":405000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1539000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":1539000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1539000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":393000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":393000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1876000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-1876000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-2269000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-2269000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-2130000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-2130000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-254000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-254000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-2490000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-2490000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-162000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-162000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":228000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":228000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-922000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-922000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-760000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-760000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-418000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-418000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-415000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-415000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":378000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":378000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":793000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":793000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":835000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":835000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":457000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":457000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1366000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1366000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-560000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-560000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-369000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-369000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":191000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":191000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-522000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-522000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-153000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-153000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-66000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-66000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":133000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-1000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":47000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-86000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":136000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":19000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":-22000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-135000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-135000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":68000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-298000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":-366000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":909000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":1207000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":658000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":658000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":777000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":777000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":119000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":119000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-362000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":362000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-415000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-415000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":621000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":621000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":284000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":284000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":840000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":840000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":557000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":557000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":227000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":227000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-614000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-614000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-1744000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1227000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-1227000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":685000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":685000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":1912000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":1912000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-2862000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-2862000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-3547000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-3547000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":1834000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":1834000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2668000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":2668000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":834000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":834000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":3229000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":3229000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":561000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":561000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":1959000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":1959000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-200000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-200000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-2159000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-2159000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":5252000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":5252000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":5452000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":5452000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":-16818000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":393000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-19087000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-1876000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-2269000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-2269000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-19341000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-2130000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-254000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-254000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-62000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-62000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":328000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":328000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-829000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-829000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-767000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-767000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":244000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":244000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":1573000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":1573000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":774000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":774000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":530000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":530000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-1498000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-1498000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":180000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":180000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-1652000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-1652000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-154000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-154000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":87000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-47000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":33000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-54000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"}]}},"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":"2013-01-01","end":"2013-12-31","val":621000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-1744000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-1744000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-4469000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-4469000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-4469000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3740000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":3740000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":3740000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":17578000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":17578000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":17578000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":393000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":393000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-03-31","val":393000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":-2269000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-2269000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":-254000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-2490000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":-2490000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":-390000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":328000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":328000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":328000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":328000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":-767000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-767000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":204000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":204000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-03-31","val":-1329000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":1573000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":1573000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-04-01","end":"2020-06-30","val":1573000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":1573000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":530000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":530000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1669000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1669000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":-1678000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":180000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":180000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-04-01","end":"2021-06-30","val":180000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":180000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":-154000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-154000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-1213000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1213000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-03-31","val":134000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":-47000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-47000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":-54000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":125000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":30000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax","description":"Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2217000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":2217000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":2217000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociForInvestmentTransferredFromAvailableForSaleToEquityMethodAfterTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Investment Transferred from Available-for-sale to Equity Method, after Tax","description":"Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for unrealized gain (loss) of investment classified as available-for-sale transferred to equity method.","units":{"USD":[{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-03-31","val":17211000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17211000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":17211000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3"}]}},"OtherComprehensiveIncomeLossTax":{"label":"Other Comprehensive Income (Loss), Tax","description":"Amount of tax expense (benefit) allocated to other comprehensive income (loss).","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":324000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1"}]}},"OtherComprehensiveIncomeLossTaxPortionAttributableToParent1":{"label":"Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent","description":"Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2016-01-01","end":"2016-03-31","val":800000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-09-30","val":900000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":900000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":300000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":300000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":1000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":1000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":500000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":2000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":2100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":2000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":2100000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-06-30","val":200000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax","description":"Amount, before tax and 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":"2014-01-01","end":"2014-06-30","val":2900000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"}]}},"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":"2009-01-01","end":"2009-12-31","val":-25000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-22000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-22000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":50000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-84000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":-35000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-55000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":29000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":-135000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":-135000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":-135000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":68000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":68000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-301000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-301000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":-369000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-369000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":966000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":966000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":1267000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":1267000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":797000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":797000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":584000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":868000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":868000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":967000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":967000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":99000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":99000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":674000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":313000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-293000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-293000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1110000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":690000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":690000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":314000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":314000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1055000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":1055000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":741000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":741000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1364000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1364000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":706000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":706000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-1122000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-1122000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-1122000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":779000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":779000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2585000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":2585000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":1806000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":1806000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-949000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-949000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-3934000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-3934000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-1429000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1429000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1429000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1361000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":1361000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2510000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":2510000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":1149000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":1149000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2975000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":2975000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":465000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":465000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":4185000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":4185000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":4185000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1807000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":1807000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1144000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":-1144000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-2951000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-2951000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3903000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":3903000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":5047000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":5047000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":16039000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":16039000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":16039000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":100000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":100000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":93000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":93000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":-7000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-7000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":622000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":622000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-914000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-914000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-134000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-134000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":780000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":780000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-61000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-61000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":73000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":73000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":303000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":303000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-1118000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-1118000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-1129000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-1129000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-11000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-11000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-1130000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-1130000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":-1000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":-1000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-1147000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-1147000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-46000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-46000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-14000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":32000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-11000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":11000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax","description":"Amount, before adjustment, of tax expense (benefit) for 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 tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":213000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":213000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":324000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":361000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-171000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":37000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-57000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-361000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":420000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":118000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":398000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":279000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":800000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":530000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-303000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":872000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":342000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":960000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-960000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-960000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":2068000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":-2068000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":2068000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-2068000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":9700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":9700000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":9700000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":33000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":33000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":31000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-2000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":200000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"}]}},"OtherInventory":{"label":"Other Inventory, Gross","description":"Amount before valuation and LIFO reserves of other inventory expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2016-12-31","val":1458000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":1458000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":1458000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1501000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1606000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":712000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"}]}},"OtherLiabilitiesFairValueDisclosure":{"label":"Other Liabilities, Fair Value Disclosure","description":"Fair value portion of other liabilities.","units":{"USD":[{"end":"2013-03-31","val":4700000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1I"},{"end":"2013-03-31","val":4700000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"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":"2012-12-31","val":4367000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":5965000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":5965000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":5965000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":5965000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":5965000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":5423000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":5709000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":5787000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":6088000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":6088000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":6088000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":6088000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":6088000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":6944000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6994000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6963000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7444000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":7444000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":7444000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":7444000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7444000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":8109000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8661000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":8772000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9604000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":9604000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":9604000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":9604000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":9604000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":9874000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":10451000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":11127000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6215000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":6215000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":6215000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":6215000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":6215000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6539000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5751000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5997000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5650000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5650000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":5650000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":5650000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5650000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":9789000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10923000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":11313000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11070000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":11070000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":11070000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":11070000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":11070000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":8526000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":8098000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8480000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9409000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":9409000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":9409000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":9409000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":9409000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9189000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":9758000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":11065000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":10766000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":10766000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":10766000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":10766000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":10766000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5590000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":4946000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":4965000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4099000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":4099000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":13149000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"OtherNoncashIncomeExpense":{"label":"Other Noncash Income (Expense)","description":"Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":51000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-531000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":-585000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":-68000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-68000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-188000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-188000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":-281000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-281000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":80000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-462000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-462000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-183000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":-88000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":-105000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-22000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OtherNonoperatingIncomeExpense":{"label":"Other Nonoperating Income (Expense)","description":"Amount of income (expense) related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":662000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-333000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":-236000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":245000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":578000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":1279000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":1279000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":520000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":694000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":694000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":174000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":174000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":550000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":550000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":-144000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":-144000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":577000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":577000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":280000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":138000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":138000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-1369000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-1369000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":-1507000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":-1507000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-1076000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-1076000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":293000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":293000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-844000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-359000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-359000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1318000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-897000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-1481000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-663000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-163000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":234000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-738000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":804000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":742000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":1370000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1470000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1470000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1470000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-358000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-358000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-845000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-845000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-487000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-487000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-2238000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-2238000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-1393000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-1393000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-4367000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-4367000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-4367000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1035000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-1035000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-966000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-966000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":69000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":69000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-1501000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-1501000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-535000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-535000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-1249000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1249000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":-1249000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":278000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":278000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":618000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":618000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":340000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":340000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":990000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":990000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":372000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":372000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":887000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":887000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":887000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":410000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":410000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":650000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":650000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":240000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":240000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":901000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":901000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":251000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":251000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":389000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":389000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":389000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9972000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":9972000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":58463000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":58463000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":48492000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":48492000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":17583000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":17583000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":-40880000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-40880000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":9580000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":9580000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-11285000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-11285000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-7563000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":-7563000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":3722000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":3722000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-5547000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-5547000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":2015000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":2015000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-8892000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-8892000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-10534000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-10534000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-6589000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":-6589000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":3945000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":3945000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-15720000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":-15720000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":-9131000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-9131000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-2940000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-2940000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-2081000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-2081000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-7957000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":-7957000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-5876000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":-5876000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-7948000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":-7948000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":9000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":9000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-10892000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":-10892000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-1334000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":-1334000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-5091000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":-3757000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-5534000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":-443000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-5331000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":248000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"OtherPrepaidExpenseCurrent":{"label":"Other Prepaid Expense, Current","description":"Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2014-12-31","val":3112000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3112000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3112000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-06-30","val":2008000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3273000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2352000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2954000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2702000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":721000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":721000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":721000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":1751000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":557000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":721000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":185000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3389000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":645000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":645000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":645000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":3389000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":603000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":761000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":131000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":8186000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":782000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":782000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":782000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":402000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":290000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":52000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1408000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":1408000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":1408000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":978000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":566000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":72000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2165000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":2165000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":2165000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1469000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":827000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":170000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"}]}},"OtherReceivables":{"label":"Other Receivables","description":"Amount due from parties in nontrade transactions, classified as other.","units":{"USD":[{"end":"2013-12-31","val":7539000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":7539000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":7539000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":7539000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8186000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":11802000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":9348000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":5489000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":5489000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":5489000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":5489000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":5489000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7914000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":8245000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":13495000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":12572000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":12572000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":12572000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":12572000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":12572000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":15175000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6968000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7091000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":5754000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":5754000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":5754000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":5754000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":5754000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5948000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3950000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":5876000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2133000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":2133000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":2133000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":2133000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":2133000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2906000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2915000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5131000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3698000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3698000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":3698000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":3698000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":3698000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7466000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10229000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7752000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":9558000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":9558000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2394000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1028000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"OtherReceivablesNetCurrent":{"label":"Other Receivables, Net, Current","description":"Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.","units":{"USD":[{"end":"2013-12-31","val":7539000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"}]}},"OtherResearchAndDevelopmentExpense":{"label":"Other Research and Development Expense","description":"Amount of other research and development expense.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":7790000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":7790000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":7790000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":7790000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":7790000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":7790000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":111000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":111000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2419000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":2419000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":2419000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":2419000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2419000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":2419000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"OtherSignificantNoncashTransactionValueOfConsiderationReceived1":{"label":"Other Significant Noncash Transaction, Value of Consideration Received","description":"\"The value of the noncash (or part noncash) consideration received in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period.\"","units":{"USD":[{"start":"2014-01-01","end":"2014-09-30","val":9959000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":9959000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"}]}},"PaymentsForPreviousAcquisition":{"label":"Payments for Previous Acquisition","description":"Cash outflow representing an adjustment to the purchase price of a previous acquisition.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":4700000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":4700000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":4700000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":4700000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":4700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":4700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":4700000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"PaymentsForRepurchaseOfCommonStock":{"label":"Payments for Repurchase of Common Stock","description":"The cash outflow to reacquire common stock during the period.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":2840000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-12-31","val":2926000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":2926000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2926000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":317000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":317000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":317000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":317000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":8900000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":8948000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":9057000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":9100000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":9057000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":9057000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1652000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1652000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1652000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":1652000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1652000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":1652000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":1651000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1651000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1651000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"PaymentsForRepurchaseOfWarrants":{"label":"Payments for Repurchase of Warrants","description":"The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":71000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":330000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":330000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":330000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":27189000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":27189000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":27189000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"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":"2012-01-01","end":"2012-09-30","val":475000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":475000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":976000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":976000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":976000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"PaymentsOfDividends":{"label":"Payments of Dividends","description":"Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":9011000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":9011000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":9011000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"PaymentsOfDividendsPreferredStockAndPreferenceStock":{"label":"Payments of Ordinary Dividends, Preferred Stock and Preference Stock","description":"Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":6000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":6000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":6000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":6000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":6000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":6000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":6000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"}]}},"PaymentsOfFinancingCosts":{"label":"Payments of Financing Costs","description":"The cash outflow for loan and debt issuance costs.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":4573000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":4573000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"PaymentsOfStockIssuanceCosts":{"label":"Payments of Stock Issuance Costs","description":"The cash outflow for cost incurred directly with the issuance of an equity security.","units":{"USD":[{"end":"2020-08-03","val":5000000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2020-08-03","val":5000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-08-03","val":5000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q2I"}]}},"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":"2016-01-01","end":"2016-12-31","val":1397000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":873000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1284000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":1476000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":4331000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":4331000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":27686000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":27686000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":27686000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":27686000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":27686000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":27686000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":27679000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":27679000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"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":"2011-01-01","end":"2011-09-30","val":164000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":164000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":164000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":164000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":164000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":622000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":622000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":622000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":622000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":1712000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":1712000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":1712000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1712000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1712000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesDebt":{"label":"Payments to Acquire Debt Securities, Available-for-sale","description":"Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2010-01-01","end":"2010-06-30","val":4769000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":4097000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":40649000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":40649000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":9163000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":15972000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":15972000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":21968000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":21968000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":17027000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":17027000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":17027000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":4551000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":4551000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":11944000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":11944000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":26386000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":26386000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":26430000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":26430000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":26430000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":127564000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":127564000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":127584000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":127584000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":200160000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":200160000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8998000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":10208000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8998000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":10578000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":71671000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":73581000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":89382000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":89382000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":15964000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":15964000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":16351000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":16351000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":16568000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":16568000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":16856000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":16856000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":625000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":625000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":38108000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":41023000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":34578000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":196000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesEquity":{"label":"Payments to Acquire Available-for-sale Securities, Equity","description":"The cash outflow to acquire equity securities classified as available-for-sale securities, because they are not classified as trading securities.","units":{"USD":[{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2016-01-01","end":"2016-03-31","val":17000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":17000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"}]}},"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":[{"start":"2013-01-01","end":"2013-06-30","val":3000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":3000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":3000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":3000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"}]}},"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":"2009-01-01","end":"2009-12-31","val":30940000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2012-01-01","end":"2012-06-30","val":25435000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":25435000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":25435000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":133264000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":133264000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"PaymentsToAcquireIntangibleAssets":{"label":"Payments to Acquire Intangible Assets","description":"The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":2650000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":2650000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"PaymentsToAcquireInvestments":{"label":"Payments to Acquire Investments","description":"The cash outflow associated with the purchase of all investments (debt, security, other) during the period.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":15000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":15000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":15000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"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":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":601000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":601000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":601000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":601000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":601000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":601000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":601000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":601000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":601000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":601000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"PaymentsToAcquireMarketableSecurities":{"label":"Payments to Acquire Marketable Securities","description":"Amount of cash outflow for purchase of marketable security.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":1210000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1580000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":1910000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"}]}},"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":"2009-01-01","end":"2009-12-31","val":673000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1835000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":1396000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":1576000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":1576000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":180000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":341000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":341000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":380000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":380000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":92000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":92000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":302000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":302000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":304000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":304000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":312000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":312000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":312000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":44000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":44000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":127000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":127000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":127000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":127000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":161000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":161000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":161000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":320000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":320000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":605000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":605000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":808000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":808000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":934000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":934000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":934000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":78000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":78000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":212000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":212000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":212000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":212000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":223000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":223000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":223000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":61000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":61000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":61000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":61000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":61000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":61000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":78000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":78000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":78000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":136000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":136000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":167000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":167000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":412000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":412000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":465000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":465000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":465000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":52000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":52000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":46000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":46000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":46000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":46000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":107000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":107000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":314000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":314000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1241000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":1241000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":8670000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":8670000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":9018000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":9018000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1395000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1395000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4066000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":4066000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":6991000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":6991000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":5535000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":5535000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":73000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":73000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":140000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":140000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":140000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":140000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":221000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":221000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":39000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":39000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":45000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":45000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":273000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":108000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"PreferredStockParOrStatedValuePerShare":{"label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","units":{"USD/shares":[{"end":"2010-12-31","val":0.001,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":0.001,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":0.001,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":0.001,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0.001,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":0.001,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":0.001,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0.001,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0.001,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":0.001,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":0.001,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0.001,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0.001,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":0.001,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":0.001,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0.001,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0.001,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0.001,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":0.001,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":0.001,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0.001,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0.001,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":0.001,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0.001,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0.001,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0.001,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":0.001,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0.001,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0.001,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0.001,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0.001,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0.001,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0.001,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.001,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0.001,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.001,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.001,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.001,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":0.001,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.001,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.001,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.001,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":0.001,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.001,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0.001,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0.001,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0.001,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0.001,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0.001,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0.001,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0.001,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0.001,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0.001,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":5000000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":5000000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":5000000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":5000000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5000000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":5000000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":5000000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":5000000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":5000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":5000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":5000000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5000000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":5000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":5000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":5000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":5000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":5000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":5000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":5000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":5000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":5000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":5000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":5000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":5000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":5000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":5000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":5000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":5000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":5000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":5000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":5000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":5000000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":5000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":5000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5000000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":5000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":5000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":5000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":5000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":5000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":5000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":5000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":5000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":5000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":5000000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":5000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":5000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":5000000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":5000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":5000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":5000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":5000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":5000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":5000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":5000000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":5000000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":5000000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":5000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5000000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5000000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5000000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":5000000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":5000000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":5000000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":5000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5000000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5000000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5000000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5000000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":5000000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":5000000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":5000000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":5000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5000000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":5000000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5000000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":5000000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":5000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":5000000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":5000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":5000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5000000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":5000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":5000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":5000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":5000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"PreferredStockSharesIssued":{"label":"Preferred Stock, Shares Issued","description":"Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.","units":{"shares":[{"end":"2010-12-31","val":0,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q4I"},{"end":"2011-06-30","val":0,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-12-31","val":0,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q4I"},{"end":"2011-06-30","val":0,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"PreferredStockValue":{"label":"Preferred Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2010-12-31","val":0,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q4I"},{"end":"2011-06-30","val":0,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2013-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-12-31","val":0,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":0,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q4I"},{"end":"2014-06-30","val":0,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"PrepaidExpenseAndOtherAssetsCurrent":{"label":"Prepaid Expense and Other Assets, Current","description":"Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2010-12-31","val":906000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":906000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":906000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":883000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":571000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2074000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":2074000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":2074000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":2074000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":2074000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2303000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1800000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3853000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2745000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2745000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":2745000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":2745000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":2745000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3126000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":7149000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4852000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q4I"},{"end":"2014-03-31","val":17697000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3410000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4505000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3774000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":3774000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3774000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3375000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2688000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3963000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2352000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2954000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2702000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3726000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4369000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2957000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3803000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4769000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8300000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7574000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":7574000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":7574000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7955000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10839000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12680000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":10148000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":10148000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":10148000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":10263000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11789000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10876000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4161000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":4161000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":4161000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":4161000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3491000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3357000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2540000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2277000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":2277000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":2277000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":2277000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":2277000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3328000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5012000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2769000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":3072000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":3072000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2742000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"PrepaidExpenseCurrent":{"label":"Prepaid Expense, Current","description":"Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3213000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4106000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3166000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4280000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3774000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":3774000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4206000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":9579000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":7574000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":10148000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":10148000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4161000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4161000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":2277000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"PrepaidExpenseCurrentAndNoncurrent":{"label":"Prepaid Expense","description":"Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.","units":{"USD":[{"end":"2014-12-31","val":3774000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":3774000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":3774000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-06-30","val":2688000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3963000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4206000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":3507000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2352000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2954000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2702000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":3930000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3726000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4369000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2957000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":10067000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3803000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4769000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8300000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"}]}},"PrepaidInsurance":{"label":"Prepaid Insurance","description":"Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2016-12-31","val":721000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":645000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":645000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":782000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":782000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1408000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":1408000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2165000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2165000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":727000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"ProceedsFromCollaborators":{"label":"Proceeds from Collaborators","description":"Cash received from collaborators during the current period.","units":{"USD":[{"start":"2013-01-01","end":"2013-06-30","val":7000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":7000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":7000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":7000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":7000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":7000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":7000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"ProceedsFromDivestitureOfBusinesses":{"label":"Proceeds from Divestiture of Businesses","description":"The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":158765000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":158765000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":158765000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":158765000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":158765000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":158765000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":158571000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":158571000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"ProceedsFromHedgeFinancingActivities":{"label":"Proceeds from Hedge, Financing Activities","description":"The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":351000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":351000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":351000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":32982000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":32982000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":32982000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":292000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":554000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":398000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":434000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":655000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":372000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":372000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":45067000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":45067000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":45067000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":73869000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":73869000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-04-01","end":"2016-09-30","val":73869000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-04-01","end":"2016-09-30","val":73869000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-09-30","val":73869000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2016-01-01","end":"2016-12-31","val":73869000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-07-01","end":"2017-07-31","val":23745000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-07-31","val":23745000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-07-01","end":"2017-07-31","val":23745000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-07-01","end":"2017-07-31","val":23745000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-07-01","end":"2017-07-31","val":23745000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-07-31","val":23745000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2I"},{"start":"2017-01-01","end":"2017-09-30","val":113966000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":113966000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-08-01","end":"2017-09-30","val":90221000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":128272000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":128272000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":128272000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2017-08-01","end":"2017-12-31","val":104527000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-08-01","end":"2017-12-31","val":104527000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-08-01","end":"2017-12-31","val":104527000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-08-01","end":"2017-12-31","val":104527000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-08-01","end":"2017-12-31","val":104527000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":1814000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":1814000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":1814000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":1814000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":1814000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1817000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-05","end":"2019-09-30","val":1814000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1817000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1814000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2019-01-01","end":"2019-12-31","val":1814000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2019-01-01","end":"2019-12-31","val":1814000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2019"},{"start":"2019-04-01","end":"2019-12-31","val":1814000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-04-01","end":"2020-03-31","val":1800000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":3071000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":3071000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":3071000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":3071000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":11831000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":14902000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-12-31","val":14902000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-12-31","val":14902000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":52622000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":52622000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":31265000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":31265000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":52622000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4947000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":26560000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2023-01-01","end":"2023-03-31","val":1801000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans":{"label":"Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised","description":"Amount of cash inflow from issuance of shares under share-based payment arrangement. Excludes option exercised.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":554000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":655000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":655000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":372000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":372000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":606000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":606000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":606000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":197000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":197000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":197000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":197000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":495000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":495000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":495000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":348000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":348000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":348000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":348000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":639000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":639000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":639000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":335000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":335000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":335000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":335000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":627000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":627000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":627000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":383000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":383000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":383000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":383000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":668000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":668000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":668000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":406000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":406000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":406000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":406000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":1010000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":1010000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1010000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":734000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":734000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":734000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":734000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":1122000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1122000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":444000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":444000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":444000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":444000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":663000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":663000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":282000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":282000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":283000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":283000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":650000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":650000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":474000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":474000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":474000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":474000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":685000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":685000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":257000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":257000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":330000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ProceedsFromLicenseFeesReceived":{"label":"Proceeds from License Fees Received","description":"Cash received from licensees for license fees during the current period.","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":3000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":3000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2013-03-01","end":"2013-03-31","val":3000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2013Q1I"},{"start":"2013-01-01","end":"2013-06-30","val":3000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":3000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":3000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":3000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":3000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-09-30","val":3000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-12-31","val":3000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014"}]}},"ProceedsFromLifeInsurancePolicies":{"label":"Proceeds from Life Insurance Policy","description":"Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":4130000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":4130000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4130000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":4130000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":4130000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":4130000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":4130000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":4130000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"ProceedsFromLongTermLinesOfCredit":{"label":"Proceeds from Long-term Lines of Credit","description":"The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":75000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":75000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":125000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":125000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":125000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":75000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":75000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":100000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":100000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":100000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":100000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":100000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":100000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":100000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment":{"label":"Proceeds from Maturities, Repayments and Calls of Debt Securities, FV-NI, Held-for-investment","description":"The cash inflow associated with maturities (principal being due), repayments and calls (payments before maturities) of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":38540000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":38540000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":77475000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":77475000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":50133000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":50966000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":88263000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":90643000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":92433000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":94929000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":109035000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":109035000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":49823000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":49823000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":92023000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":92023000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":109771000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":109771000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":119814000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":119814000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":805000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":805000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2695000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":2799000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":5967000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":31384000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities":{"label":"Proceeds from Sale and Maturity of Debt Securities, Available-for-sale","description":"Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-03-31","val":-1000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-1000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-09-30","val":-1000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"}]}},"ProceedsFromSaleAndMaturityOfMarketableSecurities":{"label":"Proceeds from Sale and Maturity of Marketable Securities","description":"The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":25783000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":32391000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":32391000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":9685000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":15157000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":15157000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":22156000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":22156000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":18255000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":18255000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":18255000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":6121000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":6121000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":57797000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":57797000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":71400000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":71400000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":72463000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":72463000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":72463000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments":{"label":"Proceeds from Sale, Maturity and Collection of Short-term Investments","description":"The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":165000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"}]}},"ProceedsFromSaleOfAvailableForSaleSecurities":{"label":"Proceeds from Sale of Available-for-sale Securities","description":"The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":157000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":157000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":157000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":4093000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":4093000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":4093000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":4093000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":4093000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":3061000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":3061000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":3061000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":3061000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":3061000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"ProceedsFromSaleOfAvailableForSaleSecuritiesDebt":{"label":"Proceeds from Sale of Debt Securities, Available-for-sale","description":"Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":833000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2380000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":2496000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"}]}},"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":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"ProceedsFromSaleOfTradingSecuritiesHeldforinvestment":{"label":"Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment","description":"The cash inflow associated with the sale of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":5074000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":5074000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":5074000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":5074000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":5074000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":5074000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1843000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":1843000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":1843000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":1843000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":3954000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":3954000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2858000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":2858000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":4062000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":4062000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":4406000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":4406000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":5974000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":5974000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":287000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":287000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":985000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":2028000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":2166000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":250000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ProceedsFromStockOptionsExercised":{"label":"Proceeds from Stock Options Exercised","description":"Amount of cash inflow from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1262000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":690000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":1082000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":3074000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":3074000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":1973000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":1973000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":2388000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":2388000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":5137000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":5137000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5137000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1054000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2523000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":2523000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":4592000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":4592000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":5817000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":5817000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":5817000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":952000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":952000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1137000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":1137000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":2970000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":2970000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":3576000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":3576000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":3576000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1241000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":1241000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1339000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":1339000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":1460000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":1460000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":1906000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1906000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1906000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":404000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":404000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":996000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":996000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":1482000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1482000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":1482000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1482000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1482000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":51000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":51000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":188000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":188000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":190000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":190000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":203000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":203000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":203000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":85000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":85000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1010000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":1010000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":3051000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":3051000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":5477000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":5477000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":5477000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1920000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":1920000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4804000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":4804000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":7843000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":7843000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":13475000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":13475000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3854000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":3854000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":6355000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":6355000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":7147000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":7147000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":13000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":13000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":13000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":13000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":2000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":2000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":4000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":4000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":312000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ProceedsFromWarrantExercises":{"label":"Proceeds from Warrant Exercises","description":"The cash inflow associated with the amount received from holders exercising their stock warrants.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":24808000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":24808000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":24808000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":24808000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":24808000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":89000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":89000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":89000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"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":"2009-01-01","end":"2009-12-31","val":-20192000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-48844000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":-48844000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":12777000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2011-01-01","end":"2011-03-31","val":12777000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":19981000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":7204000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":7204000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":40236000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":20255000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":20255000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":48517000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":48517000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":49931000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":8281000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":46542000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":46542000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":46542000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":46838000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":64612000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":64612000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":18070000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":18070000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":18070000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":18350000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":85924000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":86711000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":21312000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":21312000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":21524000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":21524000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":94545000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":94201000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":8621000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":7489000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":-2789000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-5435000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-03-31","val":-5435000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-12966000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":-15157000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":-10177000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":-9721000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-04-01","end":"2013-06-30","val":-9721000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-22762000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":-22762000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":-7812000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":-7812000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-07-01","end":"2013-09-30","val":-7812000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-62134000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-39166000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-27641000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-27641000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-31204000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-31204000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":-3563000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-3563000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-42743000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-42743000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-11539000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":-11539000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":-25562000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":-25562000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-27908000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":-27908000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":-2346000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":-2346000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-46632000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":-46632000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":-18724000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":-18724000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":-9321000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-9321000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-33616000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-33616000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":-24295000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":-24295000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-51070000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-51070000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":-17455000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-17455000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":-22967000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-43435000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":-20468000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-62144000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":-18709000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"}]}},"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":"2011-12-31","val":6385000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":6385000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-12-31","val":9863000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":9863000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":9863000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":10605000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":10605000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":10605000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":10605000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":10605000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":10917000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":7136000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":7325000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7450000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":7450000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":7450000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":7450000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":7450000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7569000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7653000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7651000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7620000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":7620000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":7620000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":7620000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7620000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7681000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7680000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7679000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6295000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":6295000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":6295000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":6295000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":6295000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6435000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6538000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6711000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6780000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":6780000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":6780000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":6780000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":6780000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6853000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6865000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6861000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6883000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":6883000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":6883000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":6883000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":6883000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6928000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":11065000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":15583000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":17619000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":17619000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":17619000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":17619000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":17619000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":18207000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":18837000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":24638000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6445000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":6445000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":6445000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":6445000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":6445000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6544000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":6567000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3381000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3403000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","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":"2010-12-31","val":3158000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":3158000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":3158000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":3050000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2821000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2681000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":2681000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":2681000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":2681000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":2681000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":2681000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2528000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2488000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2988000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2548000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":2548000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":2548000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":2548000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":2548000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":2548000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2227000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2004000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1741000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1535000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":1535000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":1535000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":1535000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":1535000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1597000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1407000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1414000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1405000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":1405000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":1405000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":1405000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":1405000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1313000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1265000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1079000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":918000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":918000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":918000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":918000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":918000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":810000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":643000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":538000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":449000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":449000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":449000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":449000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":449000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":493000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":517000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":615000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":589000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":589000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":589000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":589000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":589000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":593000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":523000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":437000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":385000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":385000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":385000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":385000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":385000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":466000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4534000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":8965000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11607000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":11607000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":11607000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":11607000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":11607000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12058000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12547000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":18456000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3577000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":3577000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":3577000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":3577000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":3577000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3613000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3580000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":507000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":455000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":455000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":455000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":455000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":455000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":418000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":347000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":422000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":476000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":476000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":534000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2010-01-01","end":"2010-12-31","val":359000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":359000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":105000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":291000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":291000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":189000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":189000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":245000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":245000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":245000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":58000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":58000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-31000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":-31000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":-72000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-72000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":-128000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-128000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":-128000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":23000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":23000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":44000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":44000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":59000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":59000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":127000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":127000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":127000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-70000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-70000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-28000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-28000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":-46000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-46000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":-85000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-85000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-85000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":44000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":44000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":11000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":11000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-16000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":-16000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-15000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-15000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":-15000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-15000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":57000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":57000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":57000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-12-31","val":-17000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-17000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":-17000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-12000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-12000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":389000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":389000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-80000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"RecognitionOfDeferredRevenue":{"label":"Recognition of Deferred Revenue","description":"The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":9186000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":7042000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":10117000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":12300000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":12300000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":3075000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":6150000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":6150000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":9225000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":9225000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":12300000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":12300000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":12300000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3075000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":3075000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6150000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":6150000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":9225000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":9225000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":12300000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":12300000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":12300000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":9321000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":9321000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":10300000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":10300000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":11300000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":11300000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":12400000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":12400000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":12400000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"RepaymentsOfConvertibleDebt":{"label":"Repayments of Convertible Debt","description":"The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":20000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":20000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"RepaymentsOfLinesOfCredit":{"label":"Repayments of Lines of Credit","description":"Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":50000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":50000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":50000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":75000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":75000000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":125000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":125000000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":150000000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":150000000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":175000000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":175000000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":175000000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"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":"2010-01-01","end":"2010-06-30","val":14000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":21000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":29000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":29000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":7000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":15000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":15000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":23000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":23000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":31000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":31000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":31000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":9000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":9000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":9000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":9000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":9000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":9000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":9000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":9000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":9000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"}]}},"RepaymentsOfNotesPayable":{"label":"Repayments of Notes Payable","description":"The cash outflow for a borrowing supported by a written promise to pay an obligation.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":9014000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":9014000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":9014000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":27500000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":27500000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":27500000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"}]}},"ResearchAndDevelopmentExpense":{"label":"Research and Development Expense","description":"The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":21058000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":42829000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":6285000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":50314000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":7485000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":57301000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":57301000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":5830000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":13516000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":13516000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":7686000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":7686000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":20904000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":20904000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":7388000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":7388000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":27720000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":27720000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":26662000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":8891000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":8891000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":18474000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":18474000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":9583000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":9583000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":28657000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":27838000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":10183000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":10019000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":42544000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":41560000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":41560000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":11981000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":11883000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":22482000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":22343000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":10501000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":10460000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":35910000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":35910000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":13567000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":13567000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":46670000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":46670000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":46670000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":29497000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":29497000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":40832000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":40832000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":11335000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":11335000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":55252000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":55252000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":14420000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":14420000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":69662000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":69662000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":69662000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":15851000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":15851000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":25409000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":25409000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":9558000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":9558000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":35333000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":35333000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":9924000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":9924000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":50766000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":50766000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":51073000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":15462000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":15462000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":29744000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":29744000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":14281000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":14281000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":43037000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":43037000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":13293000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":13293000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":58936000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":59123000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":59123000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":14696000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":14779000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":29792000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":29945000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":15097000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":15167000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":43670000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":43760000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":13878000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":13815000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":65895000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":65895000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":51525000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":17895000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":13365000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":39382000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":29960000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":21488000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":16595000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":60442000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":45274000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":21060000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":15314000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":94956000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":75157000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":21886000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":21886000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":38868000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":38868000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":16982000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":16982000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":56035000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":56035000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":17167000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":17167000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":79325000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":79325000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":15993000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":15993000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":37739000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":37739000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":21746000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":21746000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":62192000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":62192000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":24453000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":24453000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":109377000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":109377000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":19371000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":19371000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":48485000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":48485000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":29114000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":29114000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":69335000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":69335000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":20850000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":20850000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":87297000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":87297000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":4193000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":4193000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":20200000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":16007000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":33535000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":13335000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":42203000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":5424000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"RestrictedCash":{"label":"Restricted Cash","description":"Amount of cash restricted as to withdrawal or usage. 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":"2018-12-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4000000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4020000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4040000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"}]}},"RestrictedStockExpense":{"label":"Restricted Stock or Unit Expense","description":"Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":974000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":974000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":4100000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4100000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":4100000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":6500000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4202000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":4202000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":4202000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3830000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":3830000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":3830000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":4006000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":4006000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":4359000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6005000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":6518000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6821000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"RestructuringAndRelatedCostNumberOfPositionsEliminated":{"label":"Restructuring and Related Cost, Number of Positions Eliminated","description":"The number of positions eliminated during the period as a result of restructuring activities.","units":{"employee":[{"end":"2019-03-01","val":88,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-03-01","val":87,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2019-03-01","val":87,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-03-01","val":87,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-03-01","val":87,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-03-01","val":87,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-03-01","val":87,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-03-01","val":87,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q1I"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2010-12-31","val":-310400000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":-310400000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":-310400000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":-290419000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":-270164000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-261883000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":-261883000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":-261883000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":-261883000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":-261883000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-215341000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":-197271000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":-187832000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":-179320000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":-179320000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":-179320000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":-175485000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":-175485000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":-182109000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":-192286000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":-198241000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":-237619000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":-237619000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":-237619000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":-237619000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":-237619000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":-265260000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-268823000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-280362000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-283338000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":-283338000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":-283338000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":-283338000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":-283338000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-308900000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-311245000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-329970000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-334123000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":-334123000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":-334123000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":-334123000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":-334123000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":-343444000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-367745000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-385199000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-402641000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":-402641000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":-402641000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":-402641000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":-410859000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":-425608000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":-446076000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":-464785000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":-502107000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":-502107000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":-502107000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":-502107000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":-502107000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":-495691000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":-481948000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":-550667000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":-599886000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":-599886000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":-599886000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":-599886000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":-611738000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":-611738000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":-619041000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":-647436000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":-673421000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":-724427000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":-724427000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":-724427000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":-724427000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":-724427000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":-764999000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":-797084000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":-845536000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":-885295000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":-885295000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":-885295000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":-885295000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":-885295000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":-920992000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":-971124000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":-1004208000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":-1043923000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":-1043923000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":-1043923000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":-1043923000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":-1043923000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":-1059365000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":-1088413000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":-1110338000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":-1119324000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":-1119324000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":-1124331000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-10-01","end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-12-31","val":10114000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":15615000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2016-01-01","end":"2016-12-31","val":146444000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":29101000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":63402000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":34301000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":34301000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":99797000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":36395000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":36395000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":128367000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":28570000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":30495000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":54662000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":24168000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":24168000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":79930000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":25268000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":25268000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":109333000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":29402000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4"}]}},"RevenueRecognitionMilestoneMethodRevenueRecognized":{"label":"Revenue Recognition, Milestone Method, Revenue Recognized","description":"The amount of consideration recognized during the period for the milestone or milestones.","units":{"USD":[{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"}]}},"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":"2011-01-01","end":"2011-12-31","val":180663000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":254992000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":254992000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":29346000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":61559000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":32213000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":102998000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":41439000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":143475000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":143475000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":143475000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":40096000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":40096000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":86951000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":86951000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":134867000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":134867000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":47916000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":47916000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":186537000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":186537000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":38413000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":38413000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":73557000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":73557000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":35144000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":35144000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":102014000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":102014000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":28457000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":28457000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":136851000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":35241000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":35241000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":66129000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":66129000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":30887000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":30887000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":96401000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":96401000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":30272000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":30272000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":25845000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":57001000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":31156000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":88235000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":31234000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"}]}},"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":"2019-01-01","end":"2019-03-31","val":4200000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4200000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":4600000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":1100000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":5300000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":5300000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":5300000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5300000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1800000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":1800000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1800000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1800000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-09-30","val":400000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":400000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":400000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"SalariesWagesAndOfficersCompensation":{"label":"Salary and Wage, Excluding Cost of Good and Service Sold","description":"Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":525000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":525000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":525000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":525000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"SaleOfStockConsiderationReceivedOnTransaction":{"label":"Sale of Stock, Consideration Received on Transaction","description":"Cash received on stock transaction after deduction of issuance costs.","units":{"USD":[{"start":"2020-07-30","end":"2020-08-03","val":69700000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-30","end":"2020-08-03","val":69700000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-07-30","end":"2020-08-03","val":69700000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q2I"}]}},"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":"2020-07-30","end":"2020-08-03","val":24916667,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-30","end":"2020-08-03","val":24916667,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-07-30","end":"2020-08-03","val":24916667,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q2I"}]}},"SalesDiscountsGoods":{"label":"Sales Discounts, Goods (Deprecated 2018-01-31)","description":"Aggregate cash discounts given by the entity for goods sold to customers including, but not limited to, early payments of accounts due. For example, selling terms of \"2/10, net 30\" entitle a customer to a 2% discount for prompt payment within 10 days, otherwise full payment is expected in 30 days. Discounts are a deduction from gross revenue in arriving at net revenue.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":1448000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1448000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":3085000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":1130000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":4086000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4086000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":4086000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1159000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":1159000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2606000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":2606000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":1447000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":1447000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":3684000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":3684000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":1078000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":1078000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":4814000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4814000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":4814000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":4814000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":92000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":92000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-03-31","val":92000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":105000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":105000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":105000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":13000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":13000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":13000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":155000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":155000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":50000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":50000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":183000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":183000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":183000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":2000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":5000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":2000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":2000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":7000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":7000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":2000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":2000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":260000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":260000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":260000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":1000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":1000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":1000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":16000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":16000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":15000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":15000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":16000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":16000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":16000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":80000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":80000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":80000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":80000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":380000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":380000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":300000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":300000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":755000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":755000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":270000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":270000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":688000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":419000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1143000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":455000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1610000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":390000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"SalesReturnsAndAllowancesGoods":{"label":"Sales Returns and Allowances, Goods (Deprecated 2018-01-31)","description":"Total deduction from sales during the period arising from goods returned by customers (other than under warranty provisions) and price reductions (allowance, price protection agreements) given by the entity. Returns and allowances are a deduction from gross revenue in arriving at net revenue.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":4089000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4089000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":1594000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":546000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2094000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2094000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":2094000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":508000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":508000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":491000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":491000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":998000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":998000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":99000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":99000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":590000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":590000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":159000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":159000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":159000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":159000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1525000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":-1525000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-03-31","val":1525000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2299000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":2299000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":2299000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":774000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":774000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":773000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-2299000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":2299000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":-2034000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":-2034000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-2034000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":44000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":-44000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1265000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":-1265000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":1220000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":-1220000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1054000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":-1054000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":-211000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":211000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-78000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-78000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-78000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":470000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":470000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":785000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":785000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":315000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":315000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1008000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1008000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":223000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":223000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1373000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1373000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1373000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":590000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":590000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1018000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":1018000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":428000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":428000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":1558000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":1558000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":540000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":540000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":2123000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2123000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":316000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":316000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1273000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":957000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":2162000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":889000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2778000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":549000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"SalesRevenueGoodsGross":{"label":"Sales Revenue, Goods, Gross (Deprecated 2018-01-31)","description":"Aggregate revenue during the period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":83598000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":83598000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":159406000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":59130000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":220670000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":220670000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":220670000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":81828000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":81828000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":187271000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":187271000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":105442000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":105442000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":279075000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":279075000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":91805000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":91805000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":383817000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":383817000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":383817000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":383817000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":42973000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":42973000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-03-31","val":42973000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":100494000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":100494000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":100494000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":57521000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":57521000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":57522000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":161750000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":161750000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":61256000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":61256000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":224301000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":224301000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":224301000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":61500000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":61500000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":129828000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":129828000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":68329000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":68329000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":205158000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":205158000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":75331000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":75331000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":284685000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":284685000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":284685000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":62598000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":62598000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":115398000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":115398000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":52800000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":52800000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":160111000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":160111000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":44713000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":44713000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":215136000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":215136000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":215136000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":58011000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":58011000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":114450000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":114450000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":56439000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":56439000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":175963000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":175963000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":61513000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":61513000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":244770000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":244770000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":58217000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":58217000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":125926000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":67709000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":192443000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":66517000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":245797000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":49590000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"SalesRevenueGoodsNet":{"label":"Sales Revenue, Goods, Net (Deprecated 2018-01-31)","description":"Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":28225000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":16390000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":9268000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":30050000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":13660000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":60921000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":60921000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":60921000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":40523000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":82810000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":82810000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":42287000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":42287000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":130759000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":130759000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":47949000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":47949000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":180663000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":180663000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":180663000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":180663000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":56784000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":56784000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":56784000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":122411000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":122411000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":122411000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":65627000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":65627000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":65627000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":188282000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":188282000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":65871000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":65871000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":254992000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":254992000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":254992000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":254992000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":29346000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":29346000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-03-31","val":29346000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":61559000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":61559000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":61559000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":32213000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":32213000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-04-01","end":"2013-06-30","val":32213000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":102998000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":102998000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":41439000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":41439000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":143475000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":143475000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":143475000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":40096000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":40096000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":86951000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":86951000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":134867000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":134867000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":47916000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":47916000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":186537000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":186537000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":186537000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":38413000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":38413000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":73557000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":73557000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":35144000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":35144000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":102014000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":102014000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":28457000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":28457000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":136851000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":136851000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":136851000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":35241000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":35241000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":66129000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":66129000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":30887000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":30887000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":96401000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":96401000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":30272000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":30272000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":128596000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":128596000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":25845000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":25845000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":57001000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":31156000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":88235000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":31234000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":116178000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":28111000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"SalesRevenueNet":{"label":"Revenue, Net (Deprecated 2018-01-31)","description":"Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":38025000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":23432000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":12343000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":40167000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":16735000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":74113000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":74113000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":43598000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2011-01-01","end":"2011-03-31","val":43598000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":88960000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":88960000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":45362000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":45362000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":45362000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":139984000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":139984000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":51024000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":51024000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":51024000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":192963000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":192963000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":192963000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":52979000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":59859000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":59859000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-03-31","val":59859000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":59859000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":128561000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":128561000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":68702000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":68702000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-04-01","end":"2012-06-30","val":68702000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":68702000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":197603000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":197603000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":69042000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":69042000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-07-01","end":"2012-09-30","val":69042000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":69042000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":267707000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":267707000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":267707000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":70104000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-10-01","end":"2012-12-31","val":70104000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":38667000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":38667000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-03-31","val":38667000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2013-01-01","end":"2013-03-31","val":38667000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":71899000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":71899000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":33232000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":33232000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-04-01","end":"2013-06-30","val":33232000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":33232000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":114338000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":114338000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":42439000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":42439000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-07-01","end":"2013-09-30","val":42439000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":42439000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":155854000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":155854000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":155854000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":41516000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-10-01","end":"2013-12-31","val":41516000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":40124000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":40124000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-03-31","val":40124000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2014-01-01","end":"2014-03-31","val":40124000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":86979000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":86979000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":46855000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":134969000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":134969000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":47990000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":47990000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-07-01","end":"2014-09-30","val":47990000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":47990000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":186830000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":186830000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":186830000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":51861000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-10-01","end":"2014-12-31","val":51861000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":38618000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":38618000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-03-31","val":38618000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2015-01-01","end":"2015-03-31","val":38618000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":83599000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":83599000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":44982000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":44982000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-04-01","end":"2015-06-30","val":44982000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":44982000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":112226000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":112226000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":28627000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":28627000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-07-01","end":"2015-09-30","val":28627000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":28627000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":162556000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":162556000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":162556000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":50329000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-10-01","end":"2015-12-31","val":50329000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":43866000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":43866000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-03-31","val":43866000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-03-31","val":43866000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":77815000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":77815000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":33949000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":33949000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-04-01","end":"2016-06-30","val":33949000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":33949000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":111208000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":111208000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":33393000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":33393000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-07-01","end":"2016-09-30","val":33393000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":33393000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":146444000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":146444000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":35236000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-10-01","end":"2016-12-31","val":35236000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":29101000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":29101000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-03-31","val":29101000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":63402000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":34301000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":34301000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":99797000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":36395000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":36395000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":128367000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":28570000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":30495000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1"}]}},"SalesRevenueServicesNet":{"label":"Sales Revenue, Services, Net (Deprecated 2018-01-31)","description":"Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":293000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":25705000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":25705000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":17848000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":17848000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":12189000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"SellingGeneralAndAdministrativeExpense":{"label":"Selling, General and Administrative Expense","description":"The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":33607000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":24664000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":13802000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":36075000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":11411000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":48550000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":48550000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":12751000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":31450000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":31450000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":18699000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":18699000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":47261000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":47261000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":15811000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":15811000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":72553000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":72553000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":72197000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":18262000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":18262000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":41609000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":41609000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":23347000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":23347000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":64723000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":64230000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":23114000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":22925000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":91965000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":89922000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":89922000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":22347000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":22014000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":44976000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":44598000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":22629000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":22584000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":73601000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":73601000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":29003000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":29003000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":99315000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":99315000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":99315000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":23403000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":23403000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":48802000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":48802000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":25399000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":25399000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":72927000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":72927000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":24125000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":24125000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":97412000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":97412000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":97412000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":23335000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":23335000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":45886000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":45886000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":22552000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":22552000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":65297000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":65297000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":19411000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":19411000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":86514000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":86514000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":88064000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":21962000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":21962000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":49583000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":49583000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":27620000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":27620000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":69047000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":69047000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":19465000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":19465000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":87347000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":88418000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":88418000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":18607000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":19104000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":35715000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":36525000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":17107000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":17421000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":54595000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":55052000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":18880000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":18527000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":84267000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":84267000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":64759000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":24104000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":16616000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":47556000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":33007000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":23451000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":16391000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":67393000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":46115000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":19837000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":13108000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":90700000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":62690000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":15952000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":15952000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":33182000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":33182000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":17230000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":17230000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":46308000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":46308000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":13126000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":13126000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":61373000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":61373000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":14794000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":14794000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":29538000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":29538000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":14744000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":14744000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":44654000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":44654000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":15116000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":15116000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":60357000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":60357000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":14315000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":14315000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":29272000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":29272000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":14957000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":14957000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":41515000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":41515000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":12243000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":12243000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":60406000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":60406000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":9870000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":9870000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":19255000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":9385000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":27518000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":8263000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":38816000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":13998000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"SeniorLongTermNotes":{"label":"Senior Notes, Noncurrent","description":"Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.","units":{"USD":[{"end":"2016-12-31","val":97043000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"SeniorNotesCurrent":{"label":"Senior Notes, Current","description":"Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment.","units":{"USD":[{"end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":38224000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":38224000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":2311000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":7423000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":4212000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-01-01","end":"2010-09-30","val":6267000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-01-01","end":"2010-12-31","val":8285000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":8285000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":4064000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10880000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":10880000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":15216000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":15216000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":22237000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":22237000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":22237000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3015000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":3015000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6097000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":6097000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-09-30","val":9424000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":9424000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":14884000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2747000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":2747000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":5671000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":5671000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":8662000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":8662000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":12423000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":12423000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":12423000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2571000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":2571000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5525000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":5525000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":8589000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":8589000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":11809000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":11809000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":11809000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2462000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":2462000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":5990000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":5990000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":8490000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":8490000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":12084000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":12084000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":13941000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":3177000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":3177000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":6604000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":6604000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":9754000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":9754000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":12412000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":13670000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":13670000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3140000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":3720000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":6244000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":7207000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":9654000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":10201000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":15139000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":15139000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":15139000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":4478000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":4478000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":9211000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":9211000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":13197000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":13197000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":17483000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":17483000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":8000000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":8000000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":13019000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":13019000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":17205000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":17205000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":21838000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":21838000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":5275000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":5275000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":9263000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":9263000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-09-30","val":13371000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":13371000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":17819000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":17819000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":4212000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":8572000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":8572000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":12686000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":12686000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":19841000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":19841000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":3011000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":5088000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":7635000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":8490000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1781000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period","description":"The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":122125,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":122125,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":83950,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":83950,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":83950,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":32400,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":32400,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":32400,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":32400,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":49625,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":49625,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":49625,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":185111,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":185111,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":185111,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":234313,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":234313,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":234313,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":335643,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":335643,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":378990,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"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":"2010-01-01","end":"2010-12-31","val":1.87,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1.87,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":4.78,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4.78,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":4.78,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":9.57,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":9.57,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":9.57,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":9.57,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":10.6,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":10.6,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":10.6,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":9.88,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":9.88,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":9.88,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":7.32,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":7.32,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":7.32,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6.33,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":6.33,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":5.95,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period","description":"The number of grants made 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":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":390000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":390000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1781000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1781000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":1781000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":586639,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":586639,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":586639,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":586639,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":523800,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":523800,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":523800,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":581194,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":581194,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":581194,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1948585,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1948585,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1948585,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1203675,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":1203675,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":927306,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"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":"2010-01-01","end":"2010-12-31","val":4.48,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4.48,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":12.48,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":12.48,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":12.48,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":11.76,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11.76,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":11.76,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":11.76,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":8.74,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":8.74,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":8.74,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":7.52,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":7.52,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":7.52,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":6.32,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6.32,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6.32,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":5.93,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":5.93,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6.22,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number","description":"The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.","units":{"shares":[{"end":"2009-12-31","val":353125,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2009-12-31","val":353125,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2009Q4I"},{"end":"2010-12-31","val":359500,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":359500,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2010-12-31","val":359500,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":952525,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":952525,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-12-31","val":952525,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2011-12-31","val":952525,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1034604,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1034604,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":1034604,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":1034604,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2012-12-31","val":1034604,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1007119,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":1007119,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":1007119,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2013-12-31","val":1007119,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":824217,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":824217,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":824217,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2014-12-31","val":824217,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2173982,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":2173982,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":2173982,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2152157,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":2152157,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1562918,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"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":"2009-12-31","val":2.32,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2009-12-31","val":2.32,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2009Q4I"},{"end":"2010-12-31","val":3.96,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":3.96,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2010-12-31","val":3.96,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":10.11,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":10.11,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-12-31","val":10.11,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2011-12-31","val":10.11,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2011Q4I"},{"end":"2012-12-31","val":11,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":11,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":11,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":11,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2012-12-31","val":11,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":10.09,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":10.09,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":10.09,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2013-12-31","val":10.09,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":8.22,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":8.22,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":8.22,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2014-12-31","val":8.22,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6.58,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6.58,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":6.58,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015Q4I"},{"end":"2016-12-31","val":6.29,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":6.29,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-12-31","val":6.27,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period","description":"The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":261500,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":261500,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1104025,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1104025,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":1104025,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":472160,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":472160,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":472160,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":472160,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":501660,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":501660,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":501660,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":578985,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":578985,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":578985,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":364507,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":364507,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":364507,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":889857,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":889857,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1137555,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"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":"2010-01-01","end":"2010-12-31","val":3.58,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":3.58,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":12.33,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":12.33,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":12.33,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":10.26,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":10.26,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":10.26,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":10.26,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":9.72,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":9.72,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":9.72,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":10.24,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":10.24,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":10.24,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":8.47,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":8.47,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":8.47,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6.49,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":6.49,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6.38,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate","description":"The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate","description":"The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2011-04-01","end":"2011-06-30","val":0.7086,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.7004,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-03-31","val":0.722,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":0.722,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.721,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":0.721,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":0.721,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0.728,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2013-01-01","end":"2013-03-31","val":0.707,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":0.707,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.695,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":0.695,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2023-01-01","end":"2023-03-31","val":0.9453,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum","description":"The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2012-01-01","end":"2012-12-31","val":73.6,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":73.6,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":0.736,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.736,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.715,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":0.715,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":0.715,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.621,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":0.621,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0.621,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.52,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.502,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.502,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.506,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0.506,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0.506,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.614,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0.614,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0.614,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.562,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.562,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.761,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0.761,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.814,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0.814,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":0.813,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0.827,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0.827,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0.905,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0.905,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum","description":"The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":0.707,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.707,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0.558,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.558,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.642,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.642,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":0.642,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.642,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.583,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":0.583,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":0.583,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.489,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":0.489,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0.489,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.48,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.48,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.48,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.489,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0.489,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0.489,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.493,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0.493,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0.493,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.5,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.5,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.616,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0.616,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.745,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0.745,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":0.8,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0.8,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0.8,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0.836,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0.836,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate","description":"The risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2011-04-01","end":"2011-06-30","val":0.0176,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.0096,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-03-31","val":0.0038,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":0.0038,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.004,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":0.004,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-04-01","end":"2012-06-30","val":0.004,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0.0041,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2013-01-01","end":"2013-03-31","val":0.0039,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":0.0039,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.0035,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":0.0035,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2023-01-01","end":"2023-03-31","val":0.0394,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum","description":"The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":0.0275,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.0275,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0.024,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.024,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":0.024,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.0051,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.0051,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":0.0051,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.0051,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.0078,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":0.0078,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":0.0078,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.0152,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":0.0152,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0.0152,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.0168,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.0168,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.0168,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.019,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0.019,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0.019,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.0275,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.0275,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.0249,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0.0249,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.0161,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0.0161,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":0.0101,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0.0132,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0.0132,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0.033,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0.0442,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum","description":"The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":0.0104,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.0104,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0.0082,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.0082,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":0.0082,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.0034,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":0.0034,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":0.0034,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.0034,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.0035,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":0.0035,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":0.0035,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.0058,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":0.0058,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0.0058,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.0125,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.0125,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0.0125,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.0107,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":0.0107,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0.0107,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0082,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":0.0082,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":0.0082,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.0181,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0.0181,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.0147,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":0.0147,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.0034,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0.0034,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":0.0056,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0.0056,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0.0056,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0.017,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0.017,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate","description":"Rate of weighted-average expected volatility for award under share-based payment arrangement.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":70.7,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":70.7,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0.558,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":55.8,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":55.8,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number","description":"The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.","units":{"shares":[{"end":"2012-12-31","val":6718117,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":6718117,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":7876025,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":9134760,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":10235721,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":11206200,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":11615514,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4955073,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":4682766,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":5221749,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":6371266,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-09-30","val":6045584,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":6594608,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":6612822,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price","description":"The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.","units":{"USD/shares":[{"end":"2012-12-31","val":5.34,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":5.34,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":6.11,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":6.62,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6.94,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":6.99,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":7,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":7.87,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":8.66,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":8.65,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":8.04,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-09-30","val":7.68,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":6.64,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":5.9,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value","description":"Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":8255000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":11500000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":11500000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3435000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":3435000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":3435000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1629000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":1629000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":1629000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":977000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":977000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":977000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":50000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":50000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":50000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6813000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":6813000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6813000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":84758000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":84758000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":2919000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":2919000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":708000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":708000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1500,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1500,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":109000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period","description":"Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.","units":{"shares":[{"start":"2011-01-01","end":"2011-12-31","val":159987,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":159987,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":159987,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":3916,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":3916,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":3916,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":3916,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":82581,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":82581,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":82581,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":214039,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":214039,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":214039,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":279594,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":279594,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":279594,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":513541,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":513541,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":513541,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":524577,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":524577,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":524577,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":35381,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":35381,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":223253,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":223253,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":641584,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":641584,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":513031,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":513031,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":1239985,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":1683843,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period","description":"The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":1347786,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1347786,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":547479,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":547479,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":547479,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":316825,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":316825,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":316825,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":316825,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":202882,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":202882,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":202882,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":557109,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":557109,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":557109,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":296162,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":296162,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":296162,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":379268,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":379268,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":379268,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":244793,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":244793,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":244793,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":214464,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":214464,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":172074,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":172074,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":170187,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":170187,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":34565,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":34565,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":181914,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":1230311,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":898054,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":3350070,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":3350070,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":3622150,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":3622150,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":3622150,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1821915,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1821915,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":1821915,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1821915,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2041300,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":2041300,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":2041300,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2576292,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":2576292,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":2576292,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2219587,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2219587,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2219587,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1435550,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":1435550,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":1435550,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1223483,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":1223483,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":1223483,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1094358,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1094358,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1113081,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1113081,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2032000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":2032000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":1300000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":3500000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-12-31","val":2397684,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":2397684,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":20000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":6500000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":6885316,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":6885316,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":6286000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-12-31","val":2.87,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2.87,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":4.55,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":4.58,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":2.65,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":2.65,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":2.65,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":7.93,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":7.93,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":7.57,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":7.57,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-06-30","val":7.57,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-09-30","val":7.5,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":6.2,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":6.2,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":6.2,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":6.2,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":9.12,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":9.12,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":8.71,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":8.71,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-12-31","val":4.66,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":4.66,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":4.66,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3.49,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":3.49,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":3.49,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2.85,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2.85,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":2.85,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2.8,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":2.8,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":2.8,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2.89,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":2.89,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":2.89,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":8.64,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":8.64,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":5.85,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":5.85,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1.63,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":1.63,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-09-30","val":2.42,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":1.78,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1.78,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0.48,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0.4,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0.28,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value","description":"Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.","units":{"USD":[{"end":"2012-12-31","val":48875253,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":48875253,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":25849000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":11679000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":7516000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2848000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":167142000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":11095000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2184000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2803000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2009-12-31","val":7945245,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2009-12-31","val":7945245,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2009Q4I"},{"end":"2010-12-31","val":8397094,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":8397094,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2010-12-31","val":8397094,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":10185521,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":10185521,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-12-31","val":10185521,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2011-12-31","val":10185521,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2011Q4I"},{"end":"2012-12-31","val":10399265,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":10399265,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":10399265,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":10399265,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2012-12-31","val":10399265,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":11329218,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":11329218,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":11329218,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2013-12-31","val":11329218,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":12649102,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":12649102,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":12649102,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2014-12-31","val":12649102,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2014Q4I"},{"end":"2015-12-31","val":13836851,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":13836851,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":13836851,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2015-12-31","val":13836851,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-12-31","val":14340582,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":14340582,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2016-12-31","val":14340582,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":14340582,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2016Q4I"},{"end":"2017-12-31","val":13857213,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":13857213,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":13857213,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":6843585,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":6843585,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":6843585,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-12-31","val":6439936,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":6439936,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":6439936,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2019Q4I"},{"end":"2020-12-31","val":7656623,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":7656623,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2020-12-31","val":7656623,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2020Q4I"},{"end":"2021-06-30","val":8700000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":12400000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":9505461,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":9505461,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":9505461,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":8000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":14600000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":14968878,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":13476623,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":13476623,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":18368256,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price","description":"Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.","units":{"USD/shares":[{"end":"2009-12-31","val":4.04,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2009-12-31","val":4.04,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2009Q4I"},{"end":"2010-12-31","val":4.17,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":4.17,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2010-12-31","val":4.17,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":5.46,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":5.46,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-12-31","val":5.46,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2011-12-31","val":5.46,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2011Q4I"},{"end":"2012-12-31","val":6.57,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":6.57,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":6.57,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":6.57,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2012-12-31","val":6.57,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":7.1,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":7.1,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":7.1,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2013-12-31","val":7.1,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":7.12,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":7.12,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":7.12,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2014-12-31","val":7.12,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6.97,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":6.97,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":6.97,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2015-12-31","val":6.97,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-12-31","val":6.86,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":6.86,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2016-12-31","val":6.86,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":6.86,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2016Q4I"},{"end":"2017-12-31","val":6.89,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":6.89,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":6.89,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":8.98,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":8.98,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":8.98,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-12-31","val":9.61,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":9.61,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":9.61,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2019Q4I"},{"end":"2020-12-31","val":7.8,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":7.8,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2020-12-31","val":7.8,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2020Q4I"},{"end":"2021-06-30","val":7.16,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":5.87,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":6.42,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":6.42,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":6.42,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":6.07,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3.81,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3.74,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":3.81,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":3.81,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2.59,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period","description":"Number of shares issued under share-based payment arrangement.","units":{"shares":[{"start":"2011-06-01","end":"2011-07-31","val":733715,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011Q2"},{"start":"2011-06-01","end":"2011-07-31","val":733715,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-08-01","end":"2011-08-31","val":577367,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-08-01","end":"2011-08-31","val":577367,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","description":"Weighted average price at which option holders acquired shares when converting their stock options into shares.","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-12-31","val":3.21,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":3.21,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":4.07,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4.07,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":4.07,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":4.52,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":4.52,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":4.52,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":4.52,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4.4,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":4.4,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":4.4,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4.77,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":4.77,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":4.77,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":4.45,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":4.45,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":4.45,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":5.18,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":5.18,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":5.18,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6.4,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":6.4,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6.4,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":6.74,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":6.74,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":6.38,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":6.38,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":3.7,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":3.7,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":3.04,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":3.04,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0.63,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.","units":{"USD/shares":[{"start":"2011-01-01","end":"2011-12-31","val":5.17,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5.17,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":5.17,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":7.69,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":7.69,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":7.69,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":7.69,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":8.91,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":8.91,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":8.91,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":10.7,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":10.7,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":10.7,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":9.05,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":9.05,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":9.05,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":7.26,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":7.26,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":7.26,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6.27,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":6.27,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6.27,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":6.94,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":6.94,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":11.09,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":11.09,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":8.55,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":8.55,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":9.29,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":9.29,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":7.28,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":7.65,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-12-31","val":4.04,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4.04,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":4.81,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":4.81,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":4.81,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":7.93,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":7.93,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":7.93,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":7.93,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":8.22,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":8.22,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":8.22,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":9.65,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":9.65,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":9.65,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":8.06,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":8.06,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":8.06,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":7.21,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":7.21,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":7.21,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6.26,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":6.26,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6.26,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":6.54,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":6.54,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":9.84,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":9.84,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":8.29,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":8.29,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":10.05,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":10.05,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":3.34,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":1.22,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":6.53,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price","description":"Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-12-31","val":4.26,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":4.26,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":7.92,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":7.92,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":7.92,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":11.57,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11.57,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":11.57,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":11.57,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":8.92,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":8.92,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":8.92,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":7.6,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":7.6,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":7.6,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":6.04,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6.04,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":6.04,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":5.94,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":5.94,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":5.94,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6.51,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":6.51,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":6.51,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":18.87,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":18.87,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":10.54,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":10.54,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2.34,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":2.34,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":3.79,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":3.65,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-12-31","val":2.66,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":2.66,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.35,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0.65,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":0.68,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0.68,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0.38,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions":{"label":"Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable","description":"The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.","units":{"shares":[{"end":"2012-12-31","val":395000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":395000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":7876025,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":9134760,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":10235721,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":11206200,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":11615514,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4955073,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":4682766,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":5221749,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":6371266,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":6594608,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions":{"label":"Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding","description":"The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.","units":{"shares":[{"end":"2012-12-31","val":395000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":395000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":11329218,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":12649102,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":13836851,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":14340582,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":13857213,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":6843585,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":6439936,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":7656623,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":9505461,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":13476623,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage","description":"Percentage of vesting of award under share-based payment arrangement.","units":{"pure":[{"start":"2011-01-01","end":"2011-12-31","val":0.05,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.05,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.08,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value","description":"Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.","units":{"USD":[{"end":"2012-12-31","val":39409542,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":39409542,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012Q4I"},{"end":"2013-12-31","val":24080000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":11678000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":7159000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2829000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":138802000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":8422000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":503000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":139000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1":{"label":"Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price","description":"Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.","units":{"USD/shares":[{"end":"2013-12-31","val":6.11,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":6.62,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6.94,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":6.99,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":7,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":7.87,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":8.66,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":8.65,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":8.04,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":6.64,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1":{"label":"Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price","description":"The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.","units":{"USD/shares":[{"end":"2013-12-31","val":7.1,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":7.12,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":6.97,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":6.86,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":6.89,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2017Q4I"},{"end":"2018-12-31","val":8.98,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018Q4I"},{"end":"2019-12-31","val":9.61,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019Q4I"},{"end":"2020-12-31","val":7.8,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":6.42,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":3.81,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"ShortTermInvestments":{"label":"Short-term Investments","description":"Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.","units":{"USD":[{"end":"2017-12-31","val":248000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":248000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":248000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":48403000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":95287000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":54014000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":46508000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":46508000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":46508000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q4I"},{"end":"2019-03-31","val":33229000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":160134000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":123164000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":159455000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":159455000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":159455000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":159455000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":107441000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":71390000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":121179000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":134016000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":134016000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":134016000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":134016000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":134016000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-03-31","val":93336000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":44244000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":26160000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":12108000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":12108000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":12108000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":12108000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":12108000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":10535000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":42447000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":43997000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":34728000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":34728000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":3763000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShortTermLeaseCost":{"label":"Short-term Lease, Cost","description":"Amount of short-term lease cost, excluding expense for lease with term of one month or less.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":108000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":15000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":215000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":39000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":108000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":15000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":323000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":59000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":108000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":20000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":470000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":470000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":15000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":15000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":29000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":29000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":14000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":14000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":46000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":46000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":17000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":17000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":411000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":411000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":17000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":17000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":32000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":32000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":15000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":15000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":46000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":46000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":13000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":13000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":378000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":378000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":25000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":25000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":44000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":20000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":50000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":5000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":242000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount":{"label":"Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount","description":"Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves.","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":-2569000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":-2800000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"}]}},"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":"2010-12-31","val":74476000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"end":"2010-12-31","val":74476000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2010-12-31","val":74476000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":113854000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":173833000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":187907000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":187907000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":187907000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":187907000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":187907000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-03-31","val":239451000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":262751000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":279688000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":284846000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":284846000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":284846000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":288681000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"end":"2012-12-31","val":288681000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":284378000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":277600000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":302364000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3I"},{"end":"2013-12-31","val":281606000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":281606000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":281606000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":281606000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":281606000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":265851000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":265654000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":256592000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":254554000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":254554000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":254554000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":254554000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":254554000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":230369000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":234138000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":214739000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":212857000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":212857000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":212857000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":212857000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":212857000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":208318000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":235899000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":250797000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":236026000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":236026000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":236026000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":236026000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":236026000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":217370000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":198767000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":304736000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2017-12-31","val":351339000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":324294000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2018-03-31","val":324294000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-03-31","val":324293000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-03-31","val":324293000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":344119000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2018-06-30","val":344119000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-06-30","val":344119000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2I"},{"end":"2018-09-30","val":286778000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2018-09-30","val":286779000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":283262000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":283262000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":283262000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":283262000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":271410000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":271410000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2018-12-31","val":271410000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2018-12-31","val":271410000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2018-12-31","val":271410000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":272549000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-03-31","val":272549000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2019-03-31","val":272549000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-03-31","val":260593000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-03-31","val":260593000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-03-31","val":260593000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1I"},{"end":"2019-06-30","val":254783000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2019-06-30","val":254783000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-06-30","val":242827000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-06-30","val":242827000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2I"},{"end":"2019-09-30","val":234719000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2019-09-30","val":222763000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3I"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2019-12-31","val":190393000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2019Q4I"},{"end":"2020-03-31","val":153768000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2020-03-31","val":153768000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2020-03-31","val":153768000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2020-03-31","val":153768000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-03-31","val":153768000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-03-31","val":153768000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q1I"},{"end":"2020-06-30","val":130597000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2020-06-30","val":130597000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2020-06-30","val":130597000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-06-30","val":130597000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":168360000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2020-09-30","val":168360000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3I"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2020-12-31","val":134243000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":122439000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2021-03-31","val":122439000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2021-03-31","val":122439000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2021-03-31","val":122439000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-03-31","val":122439000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-03-31","val":122439000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q1I"},{"end":"2021-06-30","val":108588000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2021-06-30","val":108588000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2021-06-30","val":108588000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-06-30","val":108588000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2I"},{"end":"2021-09-30","val":79464000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2021-09-30","val":79464000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3I"},{"end":"2021-12-31","val":47553000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":47553000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":47553000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2021-12-31","val":47553000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":47553000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2021-12-31","val":47553000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2021Q4I"},{"end":"2022-03-31","val":55256000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2022-03-31","val":55256000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2022-03-31","val":55256000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2022-03-31","val":55256000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1I"},{"end":"2022-06-30","val":33442000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"end":"2022-06-30","val":33442000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q2I"},{"end":"2022-09-30","val":35852000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":27888000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":27888000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":26805000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2008-12-31","val":53116000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2008Q4I"},{"end":"2009-12-31","val":108324000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009Q4I"},{"end":"2010-12-31","val":74476000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-12-31","val":187907000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011Q4I"}]}},"StockIssued1":{"label":"Stock Issued","description":"The fair value of stock issued in noncash financing activities.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":259000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":259000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-06-30","val":6230000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":6230000,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-09-30","val":11778000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-09-30","val":11778000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-12-31","val":11778000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":11778000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"}]}},"StockIssuedDuringPeriodSharesNewIssues":{"label":"Stock Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"start":"2016-04-01","end":"2016-06-30","val":6452170,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2"},{"start":"2016-04-01","end":"2016-09-30","val":10890915,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-04-01","end":"2016-09-30","val":10890915,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-09-30","val":10890915,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2016-01-01","end":"2016-12-31","val":10890915,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-07-01","end":"2017-07-31","val":3243882,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-07-31","val":3243882,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-07-01","end":"2017-07-31","val":3243882,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-07-01","end":"2017-07-31","val":3243882,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-07-01","end":"2017-07-31","val":3243882,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-07-31","val":3243882,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q2I"},{"end":"2017-07-31","val":3243882,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2017-08-01","end":"2017-09-30","val":9314250,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3"},{"start":"2017-08-01","end":"2017-12-31","val":10314250,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-08-01","end":"2017-12-31","val":10314250,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2017-08-01","end":"2017-12-31","val":10314250,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-08-01","end":"2017-12-31","val":10314250,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-08-01","end":"2017-12-31","val":10314250,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-08-01","end":"2017-12-31","val":10314250,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-04-01","end":"2019-06-30","val":221529,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":221529,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":221529,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-04-05","end":"2019-09-30","val":221529,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-12-31","val":221529,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":221529,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2019-01-01","end":"2019-12-31","val":221529,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2019-01-01","end":"2019-12-31","val":221529,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2019-01-01","end":"2019-12-31","val":221529,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2019"},{"start":"2019-04-01","end":"2019-12-31","val":221529,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-04-01","end":"2020-06-30","val":1024286,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":1024286,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":2926112,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3950398,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":3950398,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-12-31","val":3950398,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-12-31","val":3950398,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-01-01","end":"2020-12-31","val":3950398,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":5678893,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":5678893,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":5678893,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":10172498,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":10172498,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":15851391,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":15851391,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":24513945,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"start":"2022-01-01","end":"2022-12-31","val":24513945,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1976579,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":1135340,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1135340,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1126257,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1126257,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-01-01","end":"2011-12-31","val":1126257,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1287430,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":1287430,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-12-31","val":1287430,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":1287430,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":825884,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":825884,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":825884,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":485260,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":485260,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":485260,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":456082,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":456082,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":456082,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":39010,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":39010,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":39010,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":937482,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":937482,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":937482,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":7858141,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":7858141,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1121403,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":1121403,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":3542,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":3542,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1250,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":1250,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":496313,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"StockIssuedDuringPeriodValueConversionOfConvertibleSecurities":{"label":"Stock Issued During Period, Value, Conversion of Convertible Securities","description":"The gross value of stock issued during the period upon the conversion of convertible securities.","units":{"USD":[{"start":"2018-07-01","end":"2018-09-30","val":4604000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-07-01","end":"2019-09-30","val":3000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"}]}},"StockIssuedDuringPeriodValueEmployeeStockPurchasePlan":{"label":"Stock Issued During Period, Value, Employee Stock Purchase Plan","description":"Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":292000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":554000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":655000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"},{"start":"2018-04-01","end":"2018-06-30","val":734000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":734000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2019-04-01","end":"2019-06-30","val":444000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":444000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":444000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":444000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":663000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-04-01","end":"2020-06-30","val":282000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":282000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-04-01","end":"2020-06-30","val":282000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":282000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-12-31","val":650000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":650000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-04-01","end":"2021-06-30","val":474000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":474000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-04-01","end":"2021-06-30","val":474000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":474000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-12-31","val":685000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":685000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-04-01","end":"2022-06-30","val":257000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":257000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-12-31","val":330000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2019-04-01","end":"2019-06-30","val":1814000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":1814000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":1814000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":1817000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-04-01","end":"2020-06-30","val":3071000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":3071000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":3071000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-12-31","val":14902000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":21357000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":31265000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":31265000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-04-01","end":"2021-06-30","val":31265000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-12-31","val":52621000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":4947000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":21613000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"}]}},"StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures":{"label":"Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures","description":"Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":-4032000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-12-31","val":2000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-07-01","end":"2022-09-30","val":-1000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"StockIssuedDuringPeriodValueShareBasedCompensation":{"label":"Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture","description":"Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":1000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":1000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":1000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":1000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-03-31","val":2000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-12-31","val":2000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1262000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":3074000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":5137000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"},{"start":"2018-01-01","end":"2018-03-31","val":41423000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":41423000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-03-31","val":41423000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":2884000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":2884000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":3042000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":831000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":3023000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":3023000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-06-30","val":3023000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":3023000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":2499000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":2499000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":7149000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-07-01","end":"2020-09-30","val":13000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":13000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":13000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":13000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-04-01","end":"2021-06-30","val":2000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":2000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-04-01","end":"2021-06-30","val":2000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":2000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":4000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2023-01-01","end":"2023-03-31","val":312000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"StockRepurchasedDuringPeriodShares":{"label":"Stock Repurchased During Period, Shares","description":"Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.","units":{"shares":[{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-06-30","val":25000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":730000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2012-12-31","val":1103055,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2011-07-01","end":"2012-12-31","val":1093055,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":740000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":740000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":1338055,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":1338055,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-06-30","val":1338055,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":1338055,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"}]}},"StockRepurchasedDuringPeriodValue":{"label":"Stock Repurchased During Period, Value","description":"Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":1700000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":1700000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"}]}},"StockRepurchaseProgramAuthorizedAmount":{"label":"Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31)","description":"Amount of a stock repurchase plan authorized by an entity's Board of Directors.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":25000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-01-01","end":"2012-06-30","val":25000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-06-30","val":25000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-06-30","val":25000000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-09-30","val":100000000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-12-31","val":100000000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-01-01","end":"2012-12-31","val":25000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2012-01-01","end":"2012-12-31","val":100000000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2013-01-01","end":"2013-03-31","val":100000000,"accn":"0001193125-13-445692","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-11-18","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":100000000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-06-30","val":100000000,"accn":"0001193125-13-445708","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-06-30","val":100000000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"}]}},"Supplies":{"label":"Prepaid Supplies","description":"Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2013-12-31","val":190000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":190000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":696000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":691000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":268000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":234000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":234000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":234000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":234000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":234000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":239000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":241000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":185000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":185000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":185000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":185000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":185000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":185000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1165000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":171000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":181000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":224000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":224000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"end":"2016-12-31","val":224000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":224000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":224000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":230000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":240000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":267000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":231000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":231000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":231000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":231000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":231000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1325000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1367000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1351000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1340000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":246000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":246000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"end":"2018-12-31","val":246000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":246000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-03-31","val":242000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":199000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":63000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3I"},{"end":"2019-12-31","val":119000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":119000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":114000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"TreasuryStockRetiredCostMethodAmount":{"label":"Treasury Stock, Retired, Cost Method, Amount","description":"Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":11874000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":11874000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-01-01","end":"2012-12-31","val":11983000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":11983000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":11983000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1652000,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":1652000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1652000,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-01-01","end":"2013-06-30","val":1652000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-01-01","end":"2013-09-30","val":1652000,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-01-01","end":"2013-09-30","val":1652000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-01-01","end":"2013-12-31","val":1652000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1652000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1652000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2015"}]}},"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":"2011-12-31","val":363055,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":363055,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":363055,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":363055,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":363055,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-03-31","val":388055,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":388055,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012Q4I"}]}},"TreasuryStockSharesAcquired":{"label":"Treasury Stock, Shares, Acquired","description":"Number of shares that have been repurchased during the period and are being held in treasury.","units":{"shares":[{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"}]}},"TreasuryStockSharesRetired":{"label":"Treasury Stock, Shares, Retired","description":"Number of shares of common and preferred stock retired from treasury during the period.","units":{"shares":[{"start":"2012-08-01","end":"2012-08-31","val":1093055,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"start":"2012-08-01","end":"2012-08-31","val":1093055,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":10000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":10000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"}]}},"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":"2010-12-31","val":0,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2010-12-31","val":0,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"end":"2011-09-30","val":2840000,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2926000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2011-12-31","val":2926000,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":2926000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":2926000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"end":"2011-12-31","val":2926000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2012-03-31","val":3243000,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3243000,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"}]}},"TreasuryStockValueAcquiredCostMethod":{"label":"Treasury Stock, Value, Acquired, Cost Method","description":"Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":-2926000,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2011"}]}},"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":"2012-12-31","val":814000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3432000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":3432000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":3432000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":3432000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":3432000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3301000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3124000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2989000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2171000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":2171000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":2171000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":2171000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":2171000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2000000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1826000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1650000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1472000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"}]}},"UnrealizedGainLossOnInvestments":{"label":"Unrealized Gain (Loss) on Investments","description":"Amount of unrealized gain (loss) on investment.","units":{"USD":[{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-03-31","val":10196000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":58634000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":17716000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2019-01-01","end":"2019-03-31","val":-12183000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-133000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2010-12-31","val":1697000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":2803000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":2256000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":3928000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2011-12-31","val":3928000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2011Q4I"},{"end":"2012-12-31","val":2599000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":5482000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":5482000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2012-12-31","val":5482000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":2212000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":2212000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":2212000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2013-12-31","val":2212000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1944000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":1944000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":1944000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2014-12-31","val":1944000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4498000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":4498000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":4498000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2015-12-31","val":4498000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2015Q4I"},{"end":"2016-12-31","val":3271000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":3271000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2016-12-31","val":3271000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2016-12-31","val":3271000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2715000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":2715000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":2715000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2018-12-31","val":3248000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-12-31","val":3473000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":3473000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":3473000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3336000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":3336000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2020-12-31","val":3336000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2020Q4I"},{"end":"2021-12-31","val":3524000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":3524000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":3626000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions","description":"Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":1192000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2491000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":2491000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":2491000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":1638000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":1638000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":39000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":39000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":39000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":551000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":551000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":392000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":392000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":689000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":689000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":318000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":318000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2012-01-01","end":"2012-12-31","val":434000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":434000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":434000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1227000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":1227000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":1227000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":387000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":554000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":1120000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1304000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":2515000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":2515000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":648000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":648000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":648000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":647000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":647000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":647000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1236000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1236000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1236000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":411000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":411000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":411000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":374000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":374000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":374000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1084000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":1084000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":692000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":692000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":579000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":579000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":506000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":506000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":102000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":"2010-01-01","end":"2010-12-31","val":1310000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":5000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":5000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":665000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":-527000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":527000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-200000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":915000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-915000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-915000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1318000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1318000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":1318000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-1638000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016"}]}},"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":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":891000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":891000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":891000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":75000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":75000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":27000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":27000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021"}]}},"UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate":{"label":"Unrecognized Tax Benefits that Would Impact Effective Tax Rate","description":"The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.","units":{"USD":[{"end":"2010-12-31","val":42000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2010-12-31","val":42000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06","frame":"CY2010Q4I"},{"end":"2011-12-31","val":169000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2011-12-31","val":169000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2011-12-31","val":0.2,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011Q4I"},{"end":"2012-12-31","val":2500000,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":5300000,"accn":"0001193125-13-464136","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-12-06"},{"end":"2012-12-31","val":5200000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2012-12-31","val":5200000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012Q4I"},{"end":"2013-12-31","val":0.3,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"end":"2013-12-31","val":300000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2013-12-31","val":300000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":700000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":700000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2014-12-31","val":700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":700000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2015-12-31","val":700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2015-12-31","val":700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015Q4I"},{"end":"2016-12-31","val":700000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"end":"2016-12-31","val":700000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2016-12-31","val":700000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016Q4I"},{"end":"2017-12-31","val":200000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"end":"2017-12-31","val":200000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2017-12-31","val":200000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017Q4I"},{"end":"2018-12-31","val":200000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":200000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4I"},{"end":"2019-12-31","val":100000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"end":"2019-12-31","val":100000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":100000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":100000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"end":"2021-12-31","val":100000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":100000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"ValuationAllowanceDeferredTaxAssetChangeInAmount":{"label":"Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount","description":"Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":47800000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-3600000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":-3600000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":-3600000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":25800000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":25800000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":13000000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":13400000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":800000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":-2900000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-12-31","val":-2900000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":800000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-45000000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":45000000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":21900000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":21900000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":39500000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":39500000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":50100000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":50100000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":13500000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"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":15000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":108000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":39000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":215000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":15000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":108000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":59000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":323000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":20000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":108000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":77000,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":77000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":114000,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":114000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":228000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-06-30","val":228000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":114000,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":114000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":314000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":314000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":86000,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":86000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":61000,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":61000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":125000,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":125000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":200000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":200000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":99000,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":99000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":280000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":280000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":79000,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":79000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":63000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":63000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":99000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":99000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":198000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":99000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":236000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":38000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":47000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":7000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"WeightedAverageNumberDilutedSharesOutstandingAdjustment":{"label":"Weighted Average Number Diluted Shares Outstanding Adjustment","description":"The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.","units":{"shares":[{"start":"2017-01-01","end":"2017-06-30","val":78366610,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":78576260,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2018-01-01","end":"2018-06-30","val":101747416,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":101747416,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":112617151,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":112617151,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2019-01-01","end":"2019-06-30","val":109744405,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":110345135,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"}]}},"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":"2009-01-01","end":"2009-12-31","val":39273905,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":48844918,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":49020236,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":49146245,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":49739072,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":49502854,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":49502854,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":55529536,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":56845371,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":56845371,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":58265264,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":58265264,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":57326069,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":57326069,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":59469863,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":59469863,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":57959714,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":57959714,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":57959714,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":65258510,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":65258510,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":63666546,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":63666546,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":63387003,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":63387003,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":64880786,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":64880786,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":65139606,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":65139606,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":64637256,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":64637256,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":64637256,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":59181380,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":59181380,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":58995735,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":58977295,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":60013842,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":61903242,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":60729128,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":60729128,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":60729128,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":63447309,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-12-31","val":64708163,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":64708163,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":64708163,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":64882417,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":64882417,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":64882417,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":72824070,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":72824070,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":72824070,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":78366610,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":78576260,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":80177370,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":83463153,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":101747416,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":101747416,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":112617150,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":112617150,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":102571850,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":102571850,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":104106295,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":104106295,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":103305911,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":103305911,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":109552602,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":109744405,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":110345135,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":110291090,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":111178880,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":110585768,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":111780571,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":112199229,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":112615744,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":118664914,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":131455727,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":124386545,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":145371657,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":150334548,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":150334548,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":155243402,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":155243402,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":153341854,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":153341854,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":159261818,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":159261818,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":154861704,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":154861704,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":169735019,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":169735019,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":172558831,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":175566757,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":177818168,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":188358072,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":183237200,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":201918066,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"WeightedAverageNumberOfShareOutstandingBasicAndDiluted":{"label":"Weighted Average Number of Shares Outstanding, Basic and Diluted","description":"Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":49502854,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2013-01-01","end":"2013-06-30","val":58995735,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2013-04-01","end":"2013-06-30","val":58977295,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":60013842,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2013-07-01","end":"2013-09-30","val":61903242,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2013Q3"},{"start":"2014-01-01","end":"2014-03-31","val":63447309,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":64119441,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":64119441,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-04-01","end":"2014-06-30","val":64609197,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-04-01","end":"2014-06-30","val":64609197,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":64369466,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":64369466,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-07-01","end":"2014-09-30","val":64765072,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-07-01","end":"2014-09-30","val":64765072,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":64880677,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":64880677,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":65167162,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":65167162,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-04-01","end":"2015-06-30","val":65466004,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-04-01","end":"2015-06-30","val":65466004,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":65457060,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":65457060,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":65855727,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-07-01","end":"2015-09-30","val":65855727,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":65597261,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":65597261,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":67146188,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":67146188,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-04-01","end":"2016-06-30","val":68575021,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":68575021,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":70437885,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":70437885,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-07-01","end":"2016-09-30","val":79303380,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":79303380,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":78523023,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":78523023,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":78366610,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-04-01","end":"2017-06-30","val":78576260,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":80177370,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":80177370,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":83463153,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-07-01","end":"2017-09-30","val":83463153,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":100809853,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":100809853,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-09-30","val":102571850,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":102571850,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":104106295,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":104106295,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":103305911,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":109552602,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":109552602,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":109744405,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":110345135,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":110291090,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":110291090,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":111178880,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":111178880,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":110585768,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":110585768,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":111780571,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":111780571,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":112199229,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":112615744,"accn":"0000831547-20-000062","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":118664914,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":131455727,"accn":"0000831547-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":124386545,"accn":"0000831547-21-000009","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":145371657,"accn":"0000831547-21-000039","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1"}]}},"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":"2009-01-01","end":"2009-12-31","val":39273905,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":48844918,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2010-04-01","end":"2010-06-30","val":49020236,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":49146245,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2010-07-01","end":"2010-09-30","val":49739072,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":49502854,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2010-01-01","end":"2010-12-31","val":49502854,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":51297523,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":51814122,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-01-01","end":"2011-06-30","val":51814122,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-04-01","end":"2011-06-30","val":52257049,"accn":"0000950123-11-072464","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04"},{"start":"2011-04-01","end":"2011-06-30","val":52257049,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":52477789,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-01-01","end":"2011-09-30","val":52477789,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":53810047,"accn":"0000950123-11-092613","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-28"},{"start":"2011-07-01","end":"2011-09-30","val":53810047,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":53272767,"accn":"0001193125-12-094639","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":53272767,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":53272767,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":58464059,"accn":"0001193125-12-191534","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-27"},{"start":"2012-01-01","end":"2012-03-31","val":58464059,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":58617530,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":58617530,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2012-04-01","end":"2012-06-30","val":58763700,"accn":"0001193125-12-344357","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-04-01","end":"2012-06-30","val":58763700,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":58564176,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":58564176,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2012-07-01","end":"2012-09-30","val":58912031,"accn":"0001193125-12-463439","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":58912031,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":58588916,"accn":"0001193125-13-080988","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":58588916,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2012-01-01","end":"2012-12-31","val":58588916,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":59181380,"accn":"0001193125-13-211369","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"start":"2013-01-01","end":"2013-03-31","val":59181380,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":58995735,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"start":"2013-04-01","end":"2013-06-30","val":58977295,"accn":"0001193125-13-327506","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":60013842,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18"},{"start":"2013-07-01","end":"2013-09-30","val":61903242,"accn":"0001193125-13-445714","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-18","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":60729128,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":60729128,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":60729128,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":63447309,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-12-31","val":64708163,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":64708163,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":64708163,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":64882417,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":64882417,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":64882417,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":72824070,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":72824070,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":72824070,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":78366610,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":78576260,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":80177370,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":83463153,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2017-01-01","end":"2017-12-31","val":85115592,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":101747416,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":101747416,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":102597059,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":102597059,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":102571850,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":102571850,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":104106295,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":104106295,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":103305911,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":103305911,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":109552602,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":109744405,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-04-01","end":"2019-06-30","val":110345135,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":110291090,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":111178880,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":110585768,"accn":"0000831547-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":111780571,"accn":"0000831547-20-000044","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":112199229,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":112615744,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":118664914,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":131455727,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":124386545,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":145371657,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":150334548,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":150334548,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":155243402,"accn":"0000831547-21-000073","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":155243402,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":153341854,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":153341854,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":159261818,"accn":"0000831547-21-000080","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":159261818,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":154861704,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":154861704,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":169735019,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":169735019,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":172558831,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":175566757,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":177818168,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":188358072,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":183237200,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":201918066,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"WriteOffOfDeferredDebtIssuanceCost":{"label":"Write off of Deferred Debt Issuance Cost","description":"Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":101000,"accn":"0001193125-14-094593","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12"},{"start":"2013-01-01","end":"2013-12-31","val":101000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":101000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":131000,"accn":"0001193125-14-194949","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"start":"2014-01-01","end":"2014-03-31","val":131000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":308000,"accn":"0001193125-14-303325","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"start":"2014-01-01","end":"2014-06-30","val":308000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2014-01-01","end":"2014-09-30","val":443000,"accn":"0001193125-14-406294","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"start":"2014-01-01","end":"2014-09-30","val":443000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":599000,"accn":"0001193125-15-091493","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":599000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2014-01-01","end":"2014-12-31","val":599000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":162000,"accn":"0000831547-15-000002","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"start":"2015-01-01","end":"2015-03-31","val":162000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":327000,"accn":"0000831547-15-000016","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"start":"2015-01-01","end":"2015-06-30","val":327000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":493000,"accn":"0000831547-15-000026","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":493000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":662000,"accn":"0000831547-16-000059","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":662000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2015-01-01","end":"2015-12-31","val":662000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":171000,"accn":"0000831547-16-000073","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"start":"2016-01-01","end":"2016-03-31","val":171000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":345000,"accn":"0000831547-16-000102","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":345000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":521000,"accn":"0000831547-16-000120","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":521000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2016-01-01","end":"2016-12-31","val":696000,"accn":"0000831547-17-000020","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14"},{"start":"2016-01-01","end":"2016-12-31","val":696000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2016-01-01","end":"2016-12-31","val":696000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":166000,"accn":"0000831547-17-000032","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-04"},{"start":"2017-01-01","end":"2017-03-31","val":166000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":321000,"accn":"0000831547-17-000053","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":321000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":155000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":491000,"accn":"0000831547-17-000073","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"start":"2017-01-01","end":"2017-09-30","val":491000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":170000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":567000,"accn":"0000831547-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-07"},{"start":"2017-01-01","end":"2017-12-31","val":567000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":61000,"accn":"0000831547-18-000051","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":61000,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":124000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":124000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0000831547-18-000063","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":178000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":178000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-07-01","end":"2018-09-30","val":56000,"accn":"0000831547-18-000071","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":56000,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":220000,"accn":"0000831547-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000831547-19-000033","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000831547-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0000831547-19-000053","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsDomestic":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Domestic","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.","units":{"USD":[{"end":"2021-12-31","val":746600000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":789300000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsForeign":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Foreign","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.","units":{"USD":[{"end":"2021-12-31","val":500000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":500000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, State and Local","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.","units":{"USD":[{"end":"2021-12-31","val":545500000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"},{"end":"2022-12-31","val":603400000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.","units":{"USD":[{"end":"2021-12-31","val":93100000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"DueFromEmployees":{"label":"Due from Employees","description":"For an unclassified balance sheet, amounts due from an Entity employee, not to include stockholders or officers.","units":{"USD":[{"end":"2020-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020Q4I"},{"end":"2021-12-31","val":341000,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2021Q4I"}]}},"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":"2020-01-01","end":"2020-12-31","val":0.08,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":0.01,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":"2020-01-01","end":"2020-12-31","val":0.08,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-22-000014","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-18"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":0.01,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions":{"label":"Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount","description":"Amount of cost to be recognized for option under share-based payment arrangement.","units":{"USD":[{"end":"2022-03-31","val":3200000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":4800000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12","frame":"CY2022Q2I"},{"end":"2022-09-30","val":5100000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2023-03-31","val":4700000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ProceedsFromIssuanceOfPrivatePlacement":{"label":"Proceeds from Issuance of Private Placement","description":"The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-22-000030","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":20000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":20000000,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":20000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":20000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"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":{"segment":[{"start":"2022-01-01","end":"2022-06-30","val":1,"accn":"0000831547-22-000056","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-09-30","val":1,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":1,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"AdjustmentsToAdditionalPaidInCapitalWarrantIssued":{"label":"Adjustments to Additional Paid in Capital, Warrant Issued","description":"Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.","units":{"USD":[{"start":"2022-07-01","end":"2022-09-30","val":230000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":230000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"DebtInstrumentCarryingAmount":{"label":"Long-term Debt, Gross","description":"Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.","units":{"USD":[{"end":"2022-09-30","val":30000000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":30000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":30000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"DebtInstrumentUnamortizedDiscount":{"label":"Debt Instrument, Unamortized Discount","description":"Amount, after accumulated amortization, of debt discount.","units":{"USD":[{"end":"2022-09-30","val":2937000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":2759000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2585000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2021-12-31","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q4I"},{"end":"2022-09-30","val":28488000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":28666000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":28840000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2022-09-30","val":26250000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":15000000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"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":"2022-09-30","val":3750000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":3750000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":15000000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":3750000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear":{"label":"Long-Term Debt, Maturity, Remainder of Fiscal Year","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 remainder of current fiscal year.","units":{"USD":[{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2023-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ProceedsFromDebtNetOfIssuanceCosts":{"label":"Proceeds from Debt, Net of Issuance Costs","description":"The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.","units":{"USD":[{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":28852000,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":28700000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2022-09-30","val":0,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2240000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number","description":"Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2022-09-30","val":7760304,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":6090775,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":10069462,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2022-09-30","val":1.08,"accn":"0000831547-22-000072","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1.1,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0.74,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}},"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":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-12-31","val":1792000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1063000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"DeferredTaxAssetsInventory":{"label":"Deferred Tax Assets, Inventory","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.","units":{"USD":[{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":9337000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022Q4I"}]}},"GainLossOnSaleOfInvestments":{"label":"Gain (Loss) on Sale of Investments","description":"The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":630000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-12-31","val":-17000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":31000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"InterestIncomeExpenseNonoperatingNet":{"label":"Interest Income (Expense), Nonoperating, Net","description":"The net amount of nonoperating interest income (expense).","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":-52000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-2000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-12-31","val":-998000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-943000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1"}]}},"LongTermLoansPayable":{"label":"Loans Payable, Noncurrent","description":"Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.","units":{"USD":[{"end":"2021-12-31","val":0,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31","frame":"CY2021Q4I"},{"end":"2022-12-31","val":28666000,"accn":"0000831547-23-000007","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-31"},{"end":"2022-12-31","val":28666000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":28840000,"accn":"0000831547-23-000012","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"}]}}}}}