{"cik":1540947,"entityName":"EQM Midstream Partners, LP","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":"2012-07-02","val":17339718,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":17339718,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2013-01-31","val":17339718,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21","frame":"CY2012Q4I"},{"end":"2013-03-31","val":17339718,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25","frame":"CY2013Q1I"},{"end":"2013-06-30","val":17339718,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":30468902,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2014-01-31","val":30468902,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-03-31","val":30468902,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":43347452,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":43347452,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2015-01-30","val":43347452,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12","frame":"CY2014Q4I"},{"end":"2015-03-31","val":70707706,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":70707706,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":71535681,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2019-06-30","val":200457630,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-10-31","val":200457630,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2020-01-31","val":200457630,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":200457630,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2012-06-30","val":343900000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21","frame":"CY2012Q2I"},{"end":"2013-06-30","val":692200000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q2I"},{"end":"2014-06-30","val":3800000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12","frame":"CY2014Q2I"},{"end":"2015-06-30","val":4000000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q2I"},{"end":"2016-06-30","val":4700000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016Q2I"},{"end":"2017-06-30","val":4400000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2017Q2I"},{"end":"2018-06-29","val":3200000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q2I"},{"end":"2019-06-28","val":3700000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2I"}]}}},"us-gaap":{"AccountsNotesAndLoansReceivableNetCurrent":{"label":"Accounts and Financing Receivable, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of accounts and financing receivables, classified as current. Includes, but is not limited to, notes and loan receivable.","units":{"USD":[{"end":"2019-12-31","val":254109000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":249061000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"AccountsPayableCurrent":{"label":"Accounts Payable, Current","description":"Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":20522000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":20522000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":20522000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":20522000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":8758000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":8374000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":9452000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":9452000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":9452000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":9452000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":25093000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":25093000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":5123000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":5123000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":6029000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":15365000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":7328000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":7328000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":8634000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":8634000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":8634000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":20449000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8092000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":14006000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":28372000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":36973000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":43785000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":43785000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":43785000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":43785000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":43785000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":21562000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":40357000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":33952000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":35868000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":35868000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":35868000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":35868000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":42639000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":46094000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":71791000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":71583000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":35830000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":35830000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":35830000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":35830000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":35830000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":35830000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":43474000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":42755000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":37493000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":47040000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":47040000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":80637000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":80637000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":105271000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":139190000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":48189000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":71967000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":84969000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":134026000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":207877000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":207877000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":207877000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":207877000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":207877000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":143186000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":179448000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":172422000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":126786000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":126786000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":103814000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"AccountsPayableRelatedPartiesCurrentAndNoncurrent":{"label":"Accounts Payable, Related Parties","description":"Amount for accounts payable to related parties.","units":{"USD":[{"end":"2017-12-31","val":33900000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":34000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":34000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":34000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":34000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":34000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2011-12-31","val":5147000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":5147000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":5147000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":5147000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":3419000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3607000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3743000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":3743000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":3743000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":3743000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":3743000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":3743000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4499000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":4499000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3880000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4726000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8463000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":8463000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":8463000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":8463000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":8463000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":8463000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":14088000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":12106000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":12704000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":16492000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":16492000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":16492000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":16492000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":16492000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":16492000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":16461000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13941000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":13186000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":17131000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":17131000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":17131000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":17131000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":17790000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":17724000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":15749000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":14752000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":20662000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":20662000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":20662000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":20662000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":20662000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":20662000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":21630000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":21261000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":21768000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":28804000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":28804000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":48305000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":48305000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":60551000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":219271000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29481000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":55948000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":47587000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":58358000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":254390000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":254390000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":254390000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":254390000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":254390000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":259340000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":274790000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":242186000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":254109000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"AccountsReceivableRelatedParties":{"label":"Accounts Receivable, Related Parties","description":"For an unclassified balance sheet, amount of receivables arising from transactions with related parties.","units":{"USD":[{"end":"2011-12-31","val":9283000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":9283000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":9283000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":9283000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":8809000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":10078000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11911000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":11911000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":11911000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":11911000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":11911000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":11911000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":12166000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":12166000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":12786000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":12091000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":12758000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":12758000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":23620000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":23620000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":23620000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":28610000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9949000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":16518000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":30671000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":37435000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":55068000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":55068000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":55068000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":55068000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":55068000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":59371000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":61511000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":68177000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":77925000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":77925000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":77925000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":77925000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":80507000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":81000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":74600000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":73267000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":81358000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":81358000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":81358000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":81358000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":81358000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":81358000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":81654000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":85433000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":88103000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":103304000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":103304000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":110292000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":110292000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":158720000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":158720000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":91655000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":100154000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":119097000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":167481000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":174767000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":174800000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":174800000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":174800000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":174767000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":182200000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":126700000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":175700000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":175153000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":175200000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":183400000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"AccrualForEnvironmentalLossContingencies":{"label":"Accrual for Environmental Loss Contingencies","description":"Total costs accrued as of the balance sheet date for environmental loss contingencies.","units":{"USD":[{"end":"2018-12-31","val":2100000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":2100000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":600000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"AccruedBonusesCurrent":{"label":"Accrued Bonuses, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. 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":6000000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":6000000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":5000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2012-12-31","val":5000000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":5000000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2013-12-31","val":7000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"}]}},"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":17498000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":17498000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":17498000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":17498000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2012-06-30","val":21175000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"}]}},"AccruedLiabilitiesCurrent":{"label":"Accrued Liabilities, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. 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":11247000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":11247000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":11247000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":11247000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":6818000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":14188000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":10207000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":10207000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":10207000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":10207000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":8900000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":8900000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4302000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":4302000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":11670000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":11368000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":11088000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":11088000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":12951000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":13613000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":5041000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":5539000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":5094000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":17067000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":25411000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":9055000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":9055000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":9055000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":9055000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":9055000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":9055000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":4535000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6036000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6494000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":12194000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":12194000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":12194000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":12194000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":6812000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":16253000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":18150000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":16588000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8648000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":8648000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":8648000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":8648000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":8648000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":8648000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":9867000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":13214000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":12500000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":16871000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":16871000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":16936000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":16936000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":20995000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":20995000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":15103000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":15156000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":25144000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":16401000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":20672000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":20672000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":20672000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":20672000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":20672000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":20165000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":38265000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":34022000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":31550000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":31550000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":31009000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":137339000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":137339000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":137339000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":137339000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":137009000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":141972000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":148212000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":148212000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":148212000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":148212000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":143713000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":143713000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":154913000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":154913000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":161593000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":156789000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":158411000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":158411000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":168740000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":168740000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":168740000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":176415000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":164772000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":184338000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":192296000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":200529000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":216486000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":216486000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":216486000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":216486000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":216486000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":226914000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":235075000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":246542000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":258974000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":258974000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":258974000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":258974000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":264602000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":274133000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":288111000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":303241000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":316024000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":316024000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":316024000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":316024000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":316024000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":316024000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":334352000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":353504000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":375153000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":396049000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":396049000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":398245000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":398245000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":405665000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":405665000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":416957000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":423359000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":440924000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":518718000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":560902000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":560902000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":560902000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":560902000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":560902000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":643662000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":783130000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":822713000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":857377000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":857377000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":821128000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"AdditionsToNoncurrentAssets":{"label":"Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31)","description":"Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":36404000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":36404000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-06-30","val":32226000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":21234000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":73434000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":41208000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":135831000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":135831000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-03-31","val":51240000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":51240000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":125411000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-06-30","val":125411000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":74171000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":74170000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-09-30","val":147379000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":21968000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":167062000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":167062000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":10485000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":10485000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":23868000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":13383000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":1487000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":2387000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":500000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":1000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":1000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":1000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1500000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":1500000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":200000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":200000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":200000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":200000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":200000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":200000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":200000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":200000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":400000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":400000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":300000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"AllowanceForDoubtfulAccountsReceivable":{"label":"Accounts Receivable, Allowance for Credit Loss","description":"Amount of allowance for credit loss on accounts receivable.","units":{"USD":[{"end":"2019-12-31","val":285000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4184000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":77000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":77000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":77000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":77000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":42000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":57000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":64000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":64000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":64000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":64000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":64000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":64000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":88000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":88000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":74000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":84000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":152000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":152000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":152000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":152000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":152000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":152000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":736000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":212000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":197000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":260000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":260000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":260000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":260000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":260000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":260000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":245000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":211000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":196000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":238000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":238000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":238000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":238000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":248000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":255000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":232000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":226000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":319000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":319000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":319000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":319000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":319000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":319000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":331000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":329000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":336000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":446000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":446000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":446000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":446000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":446000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":446000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":453000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":453000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1400000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":717000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":75000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":75000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":75000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":75000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":75000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":792000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":138000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":29000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":285000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":285000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3047000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":5540000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":5540000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5540000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":10386000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":10386000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":20773000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":20773000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":10387000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":10387000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":31160000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":31160000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":10387000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":10387000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":41547000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":41547000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":10387000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":10387000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":24137000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":13750000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":38677000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":14540000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":53258000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":14581000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries":{"label":"Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries","description":"Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-03-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-03-31","val":0,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"}]}},"AssetRetirementObligation":{"label":"Asset Retirement Obligation","description":"The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.","units":{"USD":[{"end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016Q4I"},{"end":"2017-11-13","val":9286000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9321000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":9321000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":9321000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-09-30","val":9642000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":11935000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":11935000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":12301000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"AssetRetirementObligationAccretionExpense":{"label":"Asset Retirement Obligation, Accretion Expense","description":"Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":35000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2017-11-14","end":"2017-12-31","val":35000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-09-30","val":321000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":455000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":455000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":567000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"AssetRetirementObligationLiabilitiesIncurred":{"label":"Asset Retirement Obligation, Liabilities Incurred","description":"Amount of asset retirement obligations incurred during the period.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":231000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":231000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"AssetRetirementObligationLiabilitiesSettled":{"label":"Asset Retirement Obligation, Liabilities Settled","description":"Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1928000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"AssetRetirementObligationRevisionOfEstimate":{"label":"Asset Retirement Obligation, Revision of Estimate","description":"Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":1928000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-201000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"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":"2011-12-31","val":546442000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":546442000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":546442000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":546442000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":641824000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":702609000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":753637000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":753637000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-12-31","val":876610000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-12-31","val":999914000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2013-03-31","val":714846000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":714846000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":727964000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":773521000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":913013000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":913013000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":1063972000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":1063972000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":1063972000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":1351940000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2013-12-31","val":1351940000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013Q4I"},{"end":"2014-03-31","val":934126000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1145409000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1358284000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1421990000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-12-31","val":1943366000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1951369000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2037024000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2168089000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":2833358000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-12-31","val":2833358000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-12-31","val":2833358000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2420565000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2733328000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2829492000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3160475000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3219642000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3347429000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3548827000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":3548827000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":5147576000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":5147576000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":7998835000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":7998835000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":7998835000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3693275000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":5314566000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6562425000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":9266191000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":9888585000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12063170000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12154037000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11815019000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":11815019000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12858054000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":56460000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":56460000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":56460000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":56460000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":21644000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":44811000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":40631000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":40631000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":40631000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":40631000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":76473000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":76473000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":44626000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":44626000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":42999000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":52710000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":46575000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":46575000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":51479000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":51479000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":51479000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":56962000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":49964000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":55281000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":199441000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":180972000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":199445000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":199445000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":199445000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":199445000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":199445000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":238302000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":77287000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":86876000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":447550000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":447550000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":447550000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":447550000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":461456000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":102055000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":176784000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":95563000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":172059000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":172059000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":172059000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":172059000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":172059000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":172059000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":151466000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":124825000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":123172000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":147327000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":147327000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":215413000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":215413000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":288024000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":288024000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":147341000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":208326000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":864884000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":239631000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":286814000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":286814000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":286814000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":286814000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":286814000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":296465000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":313386000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":345120000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":294873000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":294873000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":302607000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"BusinessAcquisitionPercentageOfVotingInterestsAcquired":{"label":"Business Acquisition, Percentage of Voting Interests Acquired","description":"Percentage of voting equity interests acquired at the acquisition date in the business combination.","units":{"pure":[{"end":"2018-06-30","val":0.25,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-06-30","val":0.25,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.25,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.25,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"}]}},"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":"2018-01-01","end":"2018-06-30","val":2.24,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":1.06,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3.2,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":0.95,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":1.17,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.85,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q1"}]}},"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":"2018-01-01","end":"2018-06-30","val":2.16,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":1.03,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3.09,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":0.92,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":1.12,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.78,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q1"}]}},"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":"2018-01-01","end":"2018-06-30","val":509403000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":242587000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":730440000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":221037000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":264215000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":396339000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q1"}]}},"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":"2018-01-01","end":"2018-06-30","val":803945000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":406920000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1195096000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":391151000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":421362000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":1235963000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q1"}]}},"BusinessCombinationAcquisitionRelatedCosts":{"label":"Business Combination, Acquisition Related Costs","description":"This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5350000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":5350000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":7511000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":2161000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":7761000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":7761000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3513000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":3513000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":18871000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":15358000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":19127000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":256000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":19344000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4104000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. 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":"2016-12-31","val":52900000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-11-13","val":41000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q3I"},{"end":"2017-12-31","val":52900000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"}]}},"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":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":300000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":24100000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":26700000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":26700000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016"},{"end":"2017-11-13","val":72300000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-11-13","val":72300000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q3I"},{"start":"2017-01-01","end":"2017-12-31","val":90700000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":90700000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":108900000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":108900000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":108900000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":137800000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"end":"2019-04-10","val":8800000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q1I"},{"start":"2019-01-01","end":"2019-12-31","val":85800000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":85800000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":59500000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization":{"label":"Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost","description":"The sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":53200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":46500000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":46500000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":54400000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":54400000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":47600000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"CapitalLeasedAssetsGross":{"label":"Capital Leased Assets, Gross","description":"Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2014-12-31","val":143556000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":179264000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeaseObligations":{"label":"Capital Lease Obligations","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.","units":{"USD":[{"end":"2012-06-30","val":196000000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":213000000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":216000000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":216000000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":134400000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":135238000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":135238000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":147588000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":147588000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":147588000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":181156000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeaseObligationsCurrent":{"label":"Capital Lease Obligations, Current","description":"Amount of capital lease obligation due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2012-06-30","val":7007000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":9264000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":9537000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":9537000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":9537000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":9537000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q4I"},{"end":"2013-03-31","val":10401000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":10401000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":11025000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-12-31","val":662000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":662000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":662000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2967000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1868000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-12-31","val":3760000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":5496000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeaseObligationsIncurred":{"label":"Lease Obligation Incurred","description":"Amount of increase in lease obligation from new lease.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":195711000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":195711000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":213605000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":215731000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":215731000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1595000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":1595000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":8332000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":134395000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":134395000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":134395000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":134395000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3625000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":3625000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5178000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":5178000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":7231000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":7231000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":9161000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":9161000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":9161000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":3087000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":3087000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":8235000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":8235000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":19800000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":19800000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":35708000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16498000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":24797000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":35944000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"}]}},"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":"2012-06-30","val":188704000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":203502000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":203305000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":203305000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":203305000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":203305000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q4I"},{"end":"2013-03-31","val":201752000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":201752000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":205522000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-12-31","val":133733000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":133733000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":133733000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":133733000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":133733000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":133733000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":134105000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":135489000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":141008000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":143828000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":143828000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":143828000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":143828000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":143828000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":143828000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":144794000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":148831000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":162523000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":175660000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":175660000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":175660000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":175660000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":184765000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":190546000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":201745000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"}]}},"CapitalLeasesBalanceSheetAssetsByMajorClassNet":{"label":"Capital Leases, Balance Sheet, Assets by Major Class, Net","description":"The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.","units":{"USD":[{"end":"2012-12-31","val":208600000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":208600000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2014-12-31","val":137378000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":164352000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesContingentRentalPaymentsDue":{"label":"Capital Leases, Contingent Rental Payments Due","description":"Amount due based upon the occurrence of an event specified in the contractual terms.","units":{"USD":[{"end":"2013-12-31","val":0,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDue":{"label":"Capital Leases, Future Minimum Payments Due","description":"Amount of minimum lease payments for capital leases.","units":{"USD":[{"end":"2012-12-31","val":342459000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":342459000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":413512000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":403081000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":403081000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":383718000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueCurrent":{"label":"Capital Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of minimum lease payments for capital leases 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":"2012-12-31","val":25368000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":25368000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":16650000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":21383000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":21383000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":20220000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Capital Leases, Future Minimum Payments Due in Five Years","description":"Amount of minimum lease payments for capital leases 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":25588000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":25588000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":20214000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":18048000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":18048000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":17783000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Capital Leases, Future Minimum Payments Due in Four Years","description":"Amount of minimum lease payments for capital leases 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":25588000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":25588000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":20477000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":20214000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":20214000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":18048000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Capital Leases, Future Minimum Payments Due in Three Years","description":"Amount of minimum lease payments for capital leases 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":25588000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":25588000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":18200000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":20477000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":20477000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":20214000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Capital Leases, Future Minimum Payments Due in Two Years","description":"Amount of minimum lease payments for capital leases 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":25588000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":25588000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":15164000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":18200000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":18200000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":20477000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueThereafter":{"label":"Capital Leases, Future Minimum Payments Due Thereafter","description":"Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":214739000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":214739000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":322807000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":304759000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":304759000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":286976000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments":{"label":"Capital Leases, Future Minimum Payments, Interest Included in Payments","description":"Amount necessary to reduce net minimum lease payments to present value for capital leases.","units":{"USD":[{"end":"2012-12-31","val":129617000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":129617000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":279117000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":255493000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":255493000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":202562000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments":{"label":"Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments","description":"Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.","units":{"USD":[{"end":"2012-12-31","val":212842000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":212842000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2013-12-31","val":134395000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-12-31","val":147588000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":147588000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-12-31","val":181156000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation":{"label":"Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation","description":"The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.","units":{"USD":[{"end":"2012-12-31","val":7100000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":7100000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2014-12-31","val":6178000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":14912000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q4I"}]}},"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":"2009-12-31","val":19278000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2009-12-31","val":19278000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2009Q4I"},{"end":"2010-12-31","val":14341000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2010-12-31","val":14341000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2010-12-31","val":14341000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2010-12-31","val":14341000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2010-12-31","val":14341000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2010Q4I"},{"end":"2011-06-30","val":0,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2I"},{"end":"2011-12-31","val":0,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":0,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2011-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2011-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":0,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2012-06-30","val":0,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2I"},{"end":"2012-09-30","val":28486000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2012-09-30","val":27074000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3I"},{"end":"2012-12-31","val":21950000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":21950000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":21950000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":21950000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":50041000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":50041000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-12-31","val":50041000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2012-12-31","val":50041000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2012-12-31","val":50041000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2012-12-31","val":50041000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-12-31","val":50041000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2012-12-31","val":50041000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2012Q4I"},{"end":"2013-03-31","val":26052000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":26052000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2013-03-31","val":66986000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1I"},{"end":"2013-06-30","val":24404000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2013-06-30","val":24279000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2I"},{"end":"2013-09-30","val":31029000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2013-09-30","val":31029000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3I"},{"end":"2013-12-31","val":18363000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":18363000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":18363000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2013-12-31","val":18363000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2013Q4I"},{"end":"2014-03-31","val":24048000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2014-03-31","val":24048000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1I"},{"end":"2014-06-30","val":25748000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2014-06-30","val":25748000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2I"},{"end":"2014-09-30","val":155225000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2014-09-30","val":155225000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3I"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2014-12-31","val":126175000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2014-12-31","val":135622000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2014-12-31","val":135622000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2014-12-31","val":135622000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2014Q4I"},{"end":"2015-03-31","val":150117000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2015-03-31","val":150117000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1009000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2015-06-30","val":1009000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1242000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2015-09-30","val":1242000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3I"},{"end":"2015-12-31","val":350814000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":350814000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":350814000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":350814000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2015-12-31","val":360956000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":368000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2016-03-31","val":368000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1I"},{"end":"2016-06-30","val":84094000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2016-06-30","val":84094000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2016-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3I"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2016-12-31","val":60368000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":42497000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2017-03-31","val":42497000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-03-31","val":42497000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1I"},{"end":"2017-06-30","val":11530000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2017-06-30","val":11530000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2I"},{"end":"2017-09-30","val":5079000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2017-09-30","val":5079000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2557000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":2557000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":44062000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":44062000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":54600000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":54600000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":8988000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":34899000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":684115000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4712000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":23839000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":16625000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":81899000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":15760000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":15760000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":14267000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-01-01","end":"2011-12-31","val":-14341000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":50041000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":50041000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":50041000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":16945000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-25762000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-19012000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-31678000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-31678000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-31678000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-31678000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5685000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":5685000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":7385000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":7385000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":136862000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":136862000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":107812000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":107812000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":107812000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":117259000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":23942000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":23942000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-125166000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-125166000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":-124933000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":-124933000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":224639000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":225334000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":225334000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":225334000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-350446000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":-360588000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-266720000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":-276862000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-350814000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":-360956000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":-300588000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":-300588000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-300588000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-300588000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-17871000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-17871000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-17871000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-48838000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-48838000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":-55289000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-55289000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":-57811000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":-57277000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":-58672000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-58672000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":6431000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":-9163000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":640053000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":-49888000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":-37085000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-37085000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-1755000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"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":113272000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":54600000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2017-12-31","val":54600000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2017-12-31","val":54600000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2017-12-31","val":54600000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":81417000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1I"},{"end":"2018-06-30","val":701454000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4712000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3I"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":17515000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":73839000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2019-03-31","val":73839000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":16625000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":81899000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":15760000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":15760000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":14267000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2018-01-01","end":"2018-03-31","val":26817000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":646854000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":-49888000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":56324000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":56324000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-890000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":64384000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":-1493000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"ContractWithCustomerAssetNet":{"label":"Contract with Customer, Asset, after Allowance for Credit Loss","description":"Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":11305000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"ContractWithCustomerAssetReclassifiedToReceivable":{"label":"Contract with Customer, Asset, Reclassified to Receivable","description":"Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2019-12-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":247342000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2019-12-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":247342000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"ContractWithCustomerLiabilityRevenueRecognized":{"label":"Contract with Customer, Liability, Revenue Recognized","description":"Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"CostsAndExpenses":{"label":"Costs and Expenses","description":"Total costs of sales and operating expenses for the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":53663000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":53663000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":27977000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":16447000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":41390000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":13413000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":54993000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":54993000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":54993000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":14611000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":14611000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":28277000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":28277000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":13666000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":13666000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":48432000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":46268000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":20155000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":17978000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":66219000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":66219000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":61759000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":74983000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":85693000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":18228000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":18228000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":15936000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":38919000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":43090000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":20691000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":22831000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":52248000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":66642000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":18289000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":23552000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":71641000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":90603000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":109207000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":109207000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":22332000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":35291000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":59483000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":72218000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":30028000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":36927000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":90940000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":111274000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":31457000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":39056000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":119223000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":149835000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":149835000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":156623000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":42059000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":42059000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":85276000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":85276000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":43217000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":43217000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":131154000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":131154000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":45878000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":45878000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":176326000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":181900000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":181900000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":180979000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":48415000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":48666000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":96124000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":97679000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":47709000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":49013000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":145609000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":148241000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":49485000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":50562000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":208665000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":208665000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":204416000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":204416000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":58313000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":54764000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":54764000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":116187000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":110291000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":57874000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":55527000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":177874000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":170882000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":61687000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":60591000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":253388000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":256579000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":274853000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":274853000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":54500000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":76229000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":105228000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":163717000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":234057000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":87488000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":128829000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":365141000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":365141000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":131084000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":131084000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":768445000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":768445000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":121768000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":121768000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":360488000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":238720000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":799999000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":439511000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1426056000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":201699000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":1962000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":1962000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":6473000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":6473000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":6473000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":3734000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":3734000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-34500000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-22263000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-19936000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3909000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":31610000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":16448000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":16448000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":10608000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":10199000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":10199000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":10277000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":3406000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":12960000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":12960000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":12960000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":886000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"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":3125000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":3125000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":8499000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":8499000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":8499000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":6433000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":6433000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-31801000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-18052000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-15211000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4315000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":35233000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":16910000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":16910000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":12028000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":12177000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":12177000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":12584000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":3705000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":13945000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":13945000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":13945000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1373000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":1373000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":1373000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":1373000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"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":1163000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":1163000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2026000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":2026000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":2026000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":2699000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":2699000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":2699000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":4211000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":4725000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":406000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":3623000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":462000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":462000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1420000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":1978000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":1978000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":2307000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":299000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":985000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":985000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":985000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":487000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":487000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":487000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":487000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"DebtInstrumentFaceAmount":{"label":"Debt Instrument, Face Amount","description":"Face (par) amount of debt instrument at time of issuance.","units":{"USD":[{"end":"2016-12-31","val":1000000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1000000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1180000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1180000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1466000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4125000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"DebtInstrumentIncreaseAdditionalBorrowings":{"label":"Debt Instrument, Increase, Additional Borrowings (Deprecated 2013-01-31)","description":"Increase of additional borrowings on existing and new debt instruments.","units":{"USD":[{"start":"2012-07-01","end":"2012-07-02","val":350000000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-07-02","val":350000000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-07-02","val":350000000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"}]}},"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":"2010-01-01","end":"2010-12-31","val":8782000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":8782000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":9849000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":9849000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":9849000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":6577000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":6577000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":46604000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":51128000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":57403000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-573000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":4761000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":29984000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":29984000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":316000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":18886000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":18886000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":27079000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2541000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-30931000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-30931000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-30931000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":8302000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":8302000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":8302000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":8302000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"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":"2010-01-01","end":"2010-12-31","val":11115000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":11115000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":5209000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":8558000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":12506000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":12506000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":12506000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":16179000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":16179000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6789000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":6789000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":6789000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":27357000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":6789000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":6789000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":49205000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":54208000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":60970000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-508000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2862000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-262000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":4620000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-262000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":6339000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":37663000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":37663000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3494000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":428000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":7777000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":428000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":13745000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":428000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":19528000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":19528000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":27637000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2998000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":2998000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2998000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":2998000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":2998000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":2998000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":2998000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-30686000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-30686000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-30686000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":2975000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":5997000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":8774000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":8774000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":8774000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":8774000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":8774000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent":{"label":"Deferred Income Taxes and Other Liabilities, Noncurrent","description":"Amount of deferred tax liability attributable to taxable temporary differences, after deferred tax asset, and other liabilities expected to be paid after one year or operating cycle, if longer.","units":{"USD":[{"end":"2012-12-31","val":40842000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":40842000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-12-31","val":39840000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":39840000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":39840000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":98976000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":84099000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016Q4I"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2014-12-31","val":78583000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"}]}},"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":"2010-01-01","end":"2010-12-31","val":2333000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":2333000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":2657000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":2657000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":2657000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":212000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":212000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":2601000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":3080000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":3567000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":311000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":1578000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":7679000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":7679000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":112000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":642000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":642000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":558000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":457000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":245000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":245000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":245000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":472000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":472000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":472000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":472000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"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":"2011-12-31","val":-110030000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":-110030000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":-40842000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-12-31","val":-39344000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":-97987000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":-77743000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsNet":{"label":"Deferred Tax Assets, Net of Valuation Allowance","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2011-12-31","val":4590000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":4590000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":33881000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-12-31","val":496000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":989000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":840000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":840000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"}]}},"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":1513000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":1513000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"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":"2012-12-31","val":32853000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"}]}},"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":2777000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":2777000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":1028000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-12-31","val":496000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":989000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":840000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":840000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsRegulatoryAssetsAndLiabilities":{"label":"Deferred Tax Assets, Regulatory Assets and Liabilities","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities.","units":{"USD":[{"end":"2011-12-31","val":-9516000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":-9516000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits.","units":{"USD":[{"end":"2011-12-31","val":1813000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":1813000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"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":"2012-12-31","val":0,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"}]}},"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":"2011-12-31","val":114620000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":114620000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":74723000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-12-31","val":39840000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":98976000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":77743000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":84099000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"}]}},"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":"2011-12-31","val":112218000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":112218000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":112218000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":112218000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2012-06-30","val":122933000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"}]}},"DeferredTaxLiabilitiesPropertyPlantAndEquipment":{"label":"Deferred Tax Liabilities, Property, Plant and Equipment","description":"Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2011-12-31","val":105104000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":105104000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":74723000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-12-31","val":39840000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":98976000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":78583000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":61665000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"}]}},"DeferredTaxLiabilitiesRegulatoryAssets":{"label":"Deferred Tax Liabilities, Regulatory Assets","description":"Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets.","units":{"USD":[{"end":"2015-12-31","val":22434000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"}]}},"DefinedContributionPlanCostRecognized":{"label":"Defined Contribution Plan, Cost","description":"Amount of cost for defined contribution plan.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":100000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":100000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"}]}},"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":"2010-01-01","end":"2010-12-31","val":10886000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":10886000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":5700000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":2859000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":8535000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":2835000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":11470000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":11470000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":11470000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3038000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":3038000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6208000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":6208000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":3170000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":3170000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":13043000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":10853000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":6835000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":4645000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":20239000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":20239000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":15740000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":19531000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":22006000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":7348000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":7348000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":5041000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":15206000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":12699000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":7858000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":6434000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":15493000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":19323000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":5278000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":6624000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":21190000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":25924000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":30906000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":30906000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":6849000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":9997000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":16896000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":20433000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":8525000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":10436000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":26742000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":32978000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":9846000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":12545000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":36599000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":46054000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":46054000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":49061000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":11927000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":11927000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":24185000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":24185000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":12258000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":12258000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":37402000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":37402000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":13217000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":13217000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":51640000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":49895000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":49895000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":49895000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":15478000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":14007000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":30589000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":28538000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":15111000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":14531000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":46293000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":43177000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":15704000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":14639000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":62691000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":62691000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":62691000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":62691000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":20547000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":20547000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":20547000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":41947000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":41947000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":21400000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":21400000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":64191000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":64191000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":22244000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":22244000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":97485000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":99681000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":107161000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":107161000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":23179000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":27385000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":41280000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":55461000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":83390000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":28076000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":42110000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":126957000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":126957000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":43567000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":43567000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":171914000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":171914000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":47065000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":47065000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":103580000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":56515000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":162777000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":59197000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":223160000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":61114000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"DerivativeAssetsNoncurrent":{"label":"Derivative Asset, Noncurrent","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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.","units":{"USD":[{"end":"2020-03-31","val":55700000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"DerivativeGainLossOnDerivativeNet":{"label":"Derivative, Gain (Loss) on Derivative, Net","description":"Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2020-01-01","end":"2020-03-31","val":4170000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"DistributionMadeToLimitedPartnerCashDistributionsPaid":{"label":"Distribution Made to Limited Partner, Cash Distributions Paid","description":"Amount of cash distribution paid to unit-holder of limited partnership (LP).","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":12386000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":25479000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":44993000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":36647000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":23039000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":23039000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":47989000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":47989000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":82089000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":82089000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":59537000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":59537000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":41180000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":41180000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":93402000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":93402000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":149866000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":149866000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":109194000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":109194000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":109194000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":109194000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":72575000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":72575000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":150668000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":237263000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-12-31","val":169438000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":169438000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":169438000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":169438000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":97822000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":97822000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-12-31","val":235167000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":235167000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":235167000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":235167000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":125890000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":361575000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":361575000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit":{"label":"Distribution Made to Limited Partner, Distributions Declared, Per Unit","description":"Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).","units":{"USD/shares":[{"start":"2012-01-01","end":"2012-09-30","val":0.35,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":0.35,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2013-01-01","end":"2013-03-31","val":0.37,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.77,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":0.4,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.2,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":1.2,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":0.43,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":0.43,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2014-01-01","end":"2014-03-31","val":0.49,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":0.49,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.01,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":1.01,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0.52,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":0.52,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.56,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":1.56,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0.55,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":0.55,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-03-31","val":0.61,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":0.61,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1.25,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":1.25,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":0.64,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":0.64,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1.925,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":1.925,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":0.675,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":0.745,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":0.745,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1.525,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":1.525,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":0.78,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":0.78,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2.34,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":2.34,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":0.815,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":0.815,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":3.19,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0.89,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":0.89,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":0.89,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1.825,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":1.825,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":0.935,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":0.935,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":2.805,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":2.805,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":0.98,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":0.98,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3.83,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":3.83,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1.065,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":1.065,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":1.065,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2.155,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":2.155,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3.27,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":3.27,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":1.115,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":1.115,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":4.4,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":4.4,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"end":"2019-01-16","val":1.13,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"start":"2019-01-01","end":"2019-03-31","val":1.145,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.145,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2.305,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":1.16,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3.465,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1.16,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4.63,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.3875,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"DistributionMadeToLimitedPartnerDistributionsPaidPerUnit":{"label":"Distribution Made to Limited Partner, Distributions Paid, Per Unit","description":"Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).","units":{"USD/shares":[{"start":"2018-01-01","end":"2018-03-31","val":1.025,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":1.025,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-03-31","val":1025,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":1.065,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":1.065,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":1.09,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2019-01-01","end":"2019-03-31","val":1.13,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.13,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.13,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":1.13,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":1.145,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":1.145,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":1160,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1.0364,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1160,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"DistributionMadeToMemberOrLimitedPartnerDistributionsDeclaredPerUnit":{"label":"Distribution Made to Member or Limited Partner, Distributions Declared, Per Unit (Deprecated 2013-01-31)","description":"Per-share or per-unit cash distributions declared to a common shareholder or unit-holder by an LLC or LP.","units":{"USD":[{"start":"2012-11-13","end":"2012-11-14","val":0.35,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-11-13","end":"2012-11-14","val":0.35,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":0.37,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0.37,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":0.77,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":0.4,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2"}]}},"DividendsCash":{"label":"Dividends, Cash","description":"Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"}]}},"DueFromRelatedPartiesCurrent":{"label":"Due from Related Parties, Current","description":"The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).","units":{"USD":[{"end":"2011-12-31","val":40369000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":40369000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":40369000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":40369000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":7480000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1862000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2382000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":2382000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":2382000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":2382000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":10133000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":10133000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1105000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":1105000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":753000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4271000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":6454000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":6454000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q4I"},{"end":"2015-12-31","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q4I"},{"end":"2016-09-30","val":5023000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"}]}},"DueToRelatedPartiesCurrent":{"label":"Due to Related Parties, Current","description":"Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":68161000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":68161000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":68161000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":68161000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":34515000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1172000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1130000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":1130000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":1130000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":1130000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":1273000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":1273000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8325000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":8325000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3305000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-12-31","val":110000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":110000000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":25621000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":25621000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":34190000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":22177000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9878000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":11694000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":10739000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":33013000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":33342000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":33342000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":33342000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":33342000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":33342000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":30101000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":34370000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17387000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":33413000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":33413000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":33413000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":33413000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":47563000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":20367000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":26002000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":19027000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":19027000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":19027000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":19027000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":19027000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":19027000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":18672000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":23754000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":28991000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":31673000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":31673000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":31673000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":31673000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":33919000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":23769000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":23769000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":41519000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":39709000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":44509000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":44509000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":44509000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":44509000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":44509000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":65932000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":76863000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":27563000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":39009000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":39009000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":30297000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"DueToRelatedPartiesCurrentAndNoncurrent":{"label":"Due to Related Parties","description":"Carrying amount as of the balance sheet date of obligations due all related parties.","units":{"USD":[{"end":"2017-12-31","val":33919000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":78465000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":78465000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":39009000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2.69,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3.73,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":1.14,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.43,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1.63,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.63,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2.15,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":0.65,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1.86,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.18,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.58,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1.13,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":1.14,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-10-01","end":"2018-12-31","val":-0.89,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"}]}},"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":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2.69,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3.73,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":1.14,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.43,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1.56,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":1.56,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2.07,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":0.62,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1.8,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.18,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.56,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1.08,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":0.422,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":0.422,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":0.39,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-12-31","val":0.39,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":0.39,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":0.39,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":0.362,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-12-31","val":0.192,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":0.192,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":0.215,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":0.277,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.293,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.036,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":0.195,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0.223,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":0.223,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.051,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":0.106,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":0.106,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":0.124,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.017,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-0.038,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-0.038,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-0.038,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":0.019,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"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":"2010-01-01","end":"2010-12-31","val":0.35,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":0.35,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0.35,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":0.35,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":0.35,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.35,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":0.35,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":0.35,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.35,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.35,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":0.35,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.35,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.35,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.35,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0.35,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.35,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount":{"label":"Share-based Payment Arrangement, Amount Capitalized","description":"Amount of cost capitalized for award under share-based payment arrangement.","units":{"USD":[{"start":"2014-01-01","end":"2014-03-31","val":100000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":200000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":200000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":100000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":100000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":200000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":200000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":100000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":100000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":300000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":100000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":100000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":100000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":100000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":100000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3"}]}},"EquityMethodInvestments":{"label":"Equity Method Investments","description":"This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q4I"},{"end":"2015-03-31","val":45886000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":46279000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":77184000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"}]}},"ExtinguishmentOfDebtAmount":{"label":"Extinguishment of Debt, Amount","description":"Gross amount of debt extinguished.","units":{"USD":[{"start":"2012-06-20","end":"2012-06-21","val":135200000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-06-20","end":"2012-06-21","val":135200000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-06-20","end":"2012-06-21","val":135200000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-06-21","val":135200000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-06-21","val":135200000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012Q2I"},{"start":"2012-06-01","end":"2012-06-30","val":135235000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-06-01","end":"2012-06-30","val":135200000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"}]}},"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":"2017-12-31","val":5540000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":47087000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":47087000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":100356000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-06-30","val":15800000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"}]}},"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":"2017-12-31","val":623200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":623200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":623200000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":934200000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2017-12-31","val":617660000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":797439000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"GasGatheringTransportationMarketingAndProcessingRevenue":{"label":"Gas Gathering, Transportation, Marketing and Processing Revenue (Deprecated 2018-01-31)","description":"Revenue related to midstream and downstream gas activities. May include the following: gathering from wells, processing to remove impurities, storage, transmission, and the sale of natural gas and related products.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":91600000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":91600000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":26626000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-03-31","val":26626000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":51805000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":25179000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":25179000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-04-01","end":"2011-06-30","val":25179000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":79225000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":27420000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":27420000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-07-01","end":"2011-09-30","val":27420000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":109613000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":109613000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":109613000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":30388000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-10-01","end":"2011-12-31","val":30388000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":31003000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-03-31","val":31003000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":31003000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-03-31","val":31003000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":60668000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":60668000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":29665000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":29665000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-04-01","end":"2012-06-30","val":29665000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-04-01","end":"2012-06-30","val":29665000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":29665000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":95120000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":95120000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":34452000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":34452000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-09-30","val":34452000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-09-30","val":34452000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":34452000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":136910000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":136910000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":136910000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":200005000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":236293000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":41790000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-10-01","end":"2012-12-31","val":41790000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-10-01","end":"2012-12-31","val":41790000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":44365000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":44365000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":44365000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-03-31","val":44365000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2013-01-01","end":"2013-03-31","val":69552000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-03-31","val":79022000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":89202000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":145223000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":44837000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":44837000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-04-01","end":"2013-06-30","val":75671000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":75671000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-04-01","end":"2013-06-30","val":87355000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":135084000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":222699000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":45882000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":45882000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-07-01","end":"2013-09-30","val":77476000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":77476000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-07-01","end":"2013-09-30","val":92029000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":185891000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":303712000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":354001000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":354001000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":50807000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-10-01","end":"2013-12-31","val":81013000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-10-01","end":"2013-12-31","val":95595000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":62573000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":93411000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-03-31","val":107908000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-03-31","val":107908000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2014-01-01","end":"2014-03-31","val":107908000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":184979000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":217235000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":91568000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":91568000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-04-01","end":"2014-06-30","val":109327000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-04-01","end":"2014-06-30","val":109327000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":109327000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":280823000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":338157000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":95844000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":95844000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-07-01","end":"2014-09-30","val":120922000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-07-01","end":"2014-09-30","val":120922000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":120922000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":392959000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":476547000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":476547000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":489218000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":112136000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-10-01","end":"2014-12-31","val":138390000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-10-01","end":"2014-12-31","val":138390000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":154811000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":154811000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-03-31","val":154811000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-03-31","val":159246000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":299424000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":299424000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":144613000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":144613000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-04-01","end":"2015-06-30","val":144613000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":149297000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":448213000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":448213000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":148789000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":148789000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-07-01","end":"2015-09-30","val":148789000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":153680000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":614134000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":632936000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":632936000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":632936000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":165921000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-10-01","end":"2015-12-31","val":170713000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":180601000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":185786000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-03-31","val":185786000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2016-01-01","end":"2016-03-31","val":185786000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":184961000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":352605000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":363828000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":172004000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":178042000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-04-01","end":"2016-06-30","val":178042000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":178042000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":177157000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":523441000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":540600000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":170836000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":176772000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-07-01","end":"2016-09-30","val":176772000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":176772000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":176276000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":735614000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":735614000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":732272000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":195014000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-10-01","end":"2016-12-31","val":195014000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":193878000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":203426000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":203426000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-03-31","val":200072000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":200072000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":402392000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":396887000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":198966000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":198966000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-04-01","end":"2017-06-30","val":196815000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-04-01","end":"2017-06-30","val":196815000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":609585000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":207193000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":207193000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-07-01","end":"2017-09-30","val":206293000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":834096000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":851339000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":224511000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-10-01","end":"2017-12-31","val":248159000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":232842000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":286562000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":556323000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":269761000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2"}]}},"GasImbalanceAssetLiability":{"label":"Gas Balancing Asset (Liability)","description":"The value of gas balancing asset or liability as of the end of the period.","units":{"USD":[{"end":"2017-12-31","val":5200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3300000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":3300000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"GeneralPartnersCapitalAccount":{"label":"General Partners' Capital Account","description":"The amount of the general partner's ownership interest.","units":{"USD":[{"end":"2012-09-30","val":9602000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":12137000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":12137000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":12137000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":12137000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":8108000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":8108000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":13438000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":13438000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":14288000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":6106000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1753000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":1753000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":1753000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":1753000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":1753000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":1753000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2432000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-31985000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-29986000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-27497000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":-27497000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":-27497000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":-27497000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":-27497000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":-27497000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-41643000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-38793000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-35376000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-30963000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":-30963000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":-30963000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":-30963000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":-30963000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":-27309000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-23143000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-19740000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-14956000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":-14956000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":-14956000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":-14956000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":-14956000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":-14956000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":-11061000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":-6983000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":-2934000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1252000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1252000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":1252000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1252000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":1252000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":1252000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":5289000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":5289000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":28603000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":31420000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":29626000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":29626000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":29626000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":29626000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":29626000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"GeneralPartnersCapitalAccountUnitsIssued":{"label":"General Partners' Capital Account, Units Issued","description":"The number of general partner units issued.","units":{"shares":[{"end":"2012-09-30","val":707744,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":707744,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":707744,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":707744,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":707744,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":975686,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":975686,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":975686,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":975686,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":975686,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":975686,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":975686,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":975686,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1238514,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1238514,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1443015,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1443015,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1443015,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1443015,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1443015,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1443015,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1443015,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1443015,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1443015,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1443015,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":1443015,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1443015,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1443015,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1443015,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"GeneralPartnersCapitalAccountUnitsOutstanding":{"label":"General Partners' Capital Account, Units Outstanding","description":"The number of general partner units outstanding.","units":{"shares":[{"end":"2012-09-30","val":707744,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":707744,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":707744,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":707744,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":707744,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":707744,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":975686,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":975686,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":975686,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":975686,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":975686,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":975686,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":975686,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":975686,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1238514,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1238514,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1238514,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1443015,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1443015,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1443015,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":1443015,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1443015,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1443015,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1443015,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1443015,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1443015,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1443015,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1443015,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":1443015,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1443015,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":1443015,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1443015,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1443015,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":1443015,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1443015,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-11-13","val":38000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q3I"},{"end":"2017-12-31","val":37954000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":37954000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":1384872000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":1384872000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":1384872000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":37954000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":37954000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1384872000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1123813000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1123813000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":1123813000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":1123813000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":1123813000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1123813000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1237456000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":962218000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":486698000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":486698000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":486698000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"GoodwillAndIntangibleAssetImpairment":{"label":"Goodwill and Intangible Asset Impairment","description":"Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":261941000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":854307000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"GoodwillImpairmentLoss":{"label":"Goodwill, Impairment Loss","description":"Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2017-11-13","end":"2018-12-31","val":261300000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":261941000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":261941000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-07-01","end":"2019-09-30","val":261300000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":261300000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-07-01","end":"2019-09-30","val":261300000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":736826000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"GoodwillOtherIncreaseDecrease":{"label":"Goodwill, Other Increase (Decrease)","description":"Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":99711000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"GoodwillTranslationAndPurchaseAccountingAdjustments":{"label":"Goodwill, Translation and Purchase Accounting Adjustments","description":"Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting 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":"2018-01-01","end":"2018-12-31","val":882000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"ImpairmentOfLongLivedAssetsHeldForUse":{"label":"Impairment of Long-Lived Assets Held-for-use","description":"The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2020-01-01","end":"2020-03-31","val":55581000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"ImpairmentOfOilAndGasProperties":{"label":"Impairment of Oil and Gas Properties","description":"The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":261941000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":80135000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":80135000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":80100000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":378787000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":298652000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":854307000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":55581000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"IncentiveDistributionDistributionPerYear":{"label":"Incentive Distribution, Distribution","description":"Amount of incentive obligation paid in cash or stock during the period to a limited liability corporation managing member or limited partnership general partner.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":16200000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":27600000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":41100000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2017"}]}},"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":"2010-01-01","end":"2010-12-31","val":33271000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":33271000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":22242000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":8094000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":35641000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":13399000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":53396000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":53396000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":53396000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":17324000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":17324000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":36266000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":36266000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":18942000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":18942000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":48277000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":53937000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":12011000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":17684000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":68437000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":68437000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":80435000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":130306000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":155884000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":22230000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":22230000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":28522000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":40120000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":102242000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":17890000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":52856000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":83068000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":156289000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":27716000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":54047000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":113820000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":212679000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":244364000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":244364000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":34855000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":67231000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":114040000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":133561000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":55470000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":66330000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":170573000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":207573000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":56533000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":74012000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":245229000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":298205000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":298205000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":325037000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":102009000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":102009000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":193328000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":193328000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":91319000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":91319000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":287444000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":287444000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":94116000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":94116000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":400153000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":438385000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":438385000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":438385000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":129065000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":140170000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":253827000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":275514000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":124762000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":135344000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":380395000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":412401000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":126568000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":136887000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":548101000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":548101000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":548101000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":548101000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":282335000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":425273000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":571904000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":585226000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":610360000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":671348000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"IncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Equity Method Investments","description":"Amount of income (loss) for proportionate share of equity method investee's income (loss).","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":394000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":394000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":394000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1147000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":1147000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":753000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1589000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":1589000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":3439000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":3439000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":6139000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":6139000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":9898000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":9898000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":9898000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":9898000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":4277000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":4277000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":4277000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":9388000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":9388000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":5111000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":15413000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":15413000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":6025000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":8811000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":8811000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":8811000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":19749000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":19749000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":10938000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":10938000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":35836000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":35836000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":16087000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":16087000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":61778000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":61778000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":31063000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":31063000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":67845000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":36782000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":112293000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":44448000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":163279000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":54072000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2010-12-31","val":14030000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":14030000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":8667000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":3154000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":13685000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":5018000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":20807000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":20807000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":20807000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":6201000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":6201000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":13131000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":13131000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":6930000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":6930000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":13131000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":15217000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":1726000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":13131000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":13131000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":17313000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":36065000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":45668000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1733000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":21848000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":12197000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":4053000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":31841000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":9993000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":4053000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":41572000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":54573000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":54573000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":12233000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":12456000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":19595000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":3390000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":7362000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":12456000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":25906000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":6311000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":12456000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":31705000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":31705000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":40221000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":6703000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":6703000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":6703000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":6703000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":6703000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":6703000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":6703000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-16741000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-16741000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-16741000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":3435000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":6920000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":3485000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":10147000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":3227000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":10147000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":10147000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":10147000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":10147000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"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":"2011-01-01","end":"2011-09-30","val":3259000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"}]}},"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":11645000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":11645000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":18689000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":18689000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":18689000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":23953000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":23953000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":28152000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":45607000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":54559000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":39837000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":74438000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":85528000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":85528000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":85830000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":104372000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":104372000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":113763000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":140054000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":153435000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":153435000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":153435000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":191835000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":191835000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":191835000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":191835000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"IncomeTaxReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":92000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":92000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":131000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":131000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":131000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-170000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":-170000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-170000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-167000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-167000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":4000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":4000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":1000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":1000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":-337000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":33000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":33000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":33000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"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":2272000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":2272000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":3044000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":3044000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":3044000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1892000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":1892000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":2197000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":3491000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":4142000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":466000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":3380000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":5291000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":5291000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1051000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":1758000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":1758000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":1918000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":491000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":800000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":800000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":800000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":623000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":623000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":623000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":623000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"IncomeTaxReconciliationTaxExemptIncome":{"label":"Effective Income Tax Rate Reconciliation, Tax Exempt Income, 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 income (loss) exempt from income taxes.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":11221000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":11221000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":12623000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":12623000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":12623000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":36253000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":36253000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":36253000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":36253000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":74426000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":74426000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":74426000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":75123000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":133842000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":135324000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":135324000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":135324000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":182455000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":182455000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":182455000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":182455000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"IncreaseDecreaseInAccountsPayable":{"label":"Increase (Decrease) in Accounts Payable","description":"The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-1727000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":-1727000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":4261000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":13582000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":14470000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":14470000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":14470000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-2011000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-2011000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-11765000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":-11765000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":-12148000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":189000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":-11070000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":-11070000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":4571000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-4882000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-4739000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-4329000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":-4329000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":-5293000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-3423000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":-18835000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-9728000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-9450000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-17765000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-5076000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-4534000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-4534000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":764000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":-243000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5372000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":3514000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":15296000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":14440000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":3680000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":4713000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":4713000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":4734000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-4784000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-4784000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":4458000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":4458000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":1577000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":1577000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":8643000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":8470000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":8470000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":8470000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-835000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":-302000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":4925000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":5543000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":8610000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":11588000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":-9354000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":-9354000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-9354000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-37890000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":364000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":364000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":364000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2426000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":2426000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":1848000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":1848000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":4821000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":4347000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":2853000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2853000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-2700000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":-2920000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":-14145000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":8019000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":39728000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":28173000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":13443000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":94961000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":94961000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-72188000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":-72188000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-23231000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":-84103000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-89210000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-5506000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"IncreaseDecreaseInAccruedIncomeTaxesPayable":{"label":"Increase (Decrease) in Income Taxes Payable","description":"The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":354000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-03-31","val":-9794000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-9794000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":3677000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":3677000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-07-01","end":"2012-07-02","val":-143600000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-09-30","val":-143587000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":-143587000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":-143587000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":-143587000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-143587000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-143587000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-143587000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":-42972000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-42972000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-43083000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-43083000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-43083000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-43083000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-51813000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":-39785000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":-51813000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":-39785000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":-51813000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":-51813000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":-51813000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":-51813000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-80741000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-84446000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-80741000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-84446000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":-80741000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":-84446000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":-84446000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-84446000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-84446000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-84446000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-12-31","val":-93951000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":-93951000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-93951000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-93951000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"IncreaseDecreaseInDueFromAffiliatesCurrent":{"label":"Increase (Decrease) in Due from Affiliates, Current","description":"The increase (decrease) during the reporting period in current receivables (due within one year or one operating cycle) to be collected from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":10509000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":10509000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":1484000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":5750000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":16846000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":16846000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":16846000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-1974000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-1974000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-28772000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":-28772000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":-30431000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":-12066000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":-28555000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":-28555000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-21045000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-34619000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-36727000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-6940000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":-6940000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":-18268000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-1300000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":-7884000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-3384000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-10464000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-9744000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-26539000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-11639000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-11639000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-19420000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":14614000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-5657000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":8914000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":9788000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":31748000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":19097000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":38892000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":38892000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":41879000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-12623000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-12623000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-16075000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-16075000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":3450000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":3450000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":-2913000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-8633000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-8633000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-8633000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":15959000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":28429000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":14958000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":27087000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":39084000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":60217000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":34667000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":34667000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":34667000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-107000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-107000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-107000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1410000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-1410000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":-5627000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-5627000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":-3111000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":218000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":6329000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":6825000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":11210000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":14730000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"}]}},"IncreaseDecreaseInOtherOperatingAssets":{"label":"Increase (Decrease) in Other Operating Assets","description":"Amount of increase (decrease) in operating assets classified as other.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":161000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-03-31","val":2441000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":2441000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":2649000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-06-30","val":2435000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2013-01-01","end":"2013-03-31","val":-1622000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-1622000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":1005000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"}]}},"IncreaseDecreaseInOtherOperatingCapitalNet":{"label":"Increase (Decrease) in Other Operating Assets and Liabilities, Net","description":"Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":1128000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":1128000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":4488000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":2813000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":2813000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":2813000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":7364000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":7989000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":5923000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":5923000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":7253000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":5391000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":5806000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4325000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":859000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-1446000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-1111000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-1915000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-1388000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-496000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-496000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5774000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":1073000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":3112000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":-1222000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":-1477000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":-3938000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":-11671000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":-11173000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":-11173000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":-7346000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":3295000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":3295000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-3682000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-3682000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":-902000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":-902000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":-11010000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-6142000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-6142000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-6142000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5036000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":3793000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-3873000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":-5123000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":7170000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":5433000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":-4483000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":-4483000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-4483000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-4483000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-3927000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-3927000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-3927000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-5246000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-5246000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":-3686000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-3686000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":-8427000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":-8435000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":-7556000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-7556000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1256000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":-1257000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":4427000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-6642000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":1212000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":-22420000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":-22420000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-59647000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-59647000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":38118000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":38118000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":7154000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":31555000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":3103000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":40072000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"IncreaseDecreaseInOtherOperatingLiabilities":{"label":"Increase (Decrease) in Other Operating Liabilities","description":"Amount of increase (decrease) in operating liabilities classified as other.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":1031000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-03-31","val":-4984000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":-4984000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":-5098000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-06-30","val":-5739000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2013-01-01","end":"2013-03-31","val":-5986000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-5986000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":1524000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"}]}},"IncreaseDecreaseInOtherRegulatoryAssets":{"label":"Increase (Decrease) in Other Regulatory Assets","description":"The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-1929000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-1929000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-06-30","val":-186000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":-985000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":1743000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":1743000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":1743000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-06-30","val":214000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-09-30","val":-1101000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":-1448000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":-1793000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-1793000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-12-31","val":-2407000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"}]}},"IncreaseDecreaseInReceivables":{"label":"Increase (Decrease) in Receivables","description":"The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":1885000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":1885000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":-158000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":-40000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":492000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":492000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":492000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-352000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-352000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-1728000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":-1728000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":10689000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":10689000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":10825000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":10825000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":10825000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":10825000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":10825000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":756000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":756000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":756000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":137000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":137000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":983000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":983000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":4720000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":4720000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":4720000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":4720000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5625000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":5625000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":3643000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":3643000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":4241000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":4241000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":8029000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":8029000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":8029000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":5446000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-32000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-32000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-2551000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-2551000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":-3306000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":-3306000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":639000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":647000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":647000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":647000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":593000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":535000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-1382000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":-1639000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-2379000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":-2552000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":2872000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":2872000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2872000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":9003000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":968000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":968000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":968000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":599000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":599000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":1106000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":1106000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":8142000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":7382000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":24583000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":24583000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":677000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":7643000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":2602000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-718000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":-3947000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":-2193000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":-2193000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":48046000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":48046000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4950000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":4950000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3583000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":-29022000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-17099000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-2346000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":617660000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":617660000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":617660000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":617660000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":607274000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":596887000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":586500000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":576113000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":565726000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":868965000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":812020000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":797439000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":797439000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":765205000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"InterestAndDividendsPayableCurrent":{"label":"Interest and Dividends Payable, Current","description":"Sum of the carrying values as of the balance sheet date of (a) interest payable on all forms of debt, including trade payables, that has been incurred, and (b) dividends declared but unpaid on equity securities issued by the entity and outstanding (also includes dividends collected on behalf of another owner of securities that are being held by the entity). Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2014-12-31","val":8338000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":8338000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":8338000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3596000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":8519000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3514000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":8753000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":8753000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":8753000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3339000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8338000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3875000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":12016000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":12016000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":12016000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":12016000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":12016000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":11760000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":10057000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10434000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":10926000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":10926000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":10926000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":10926000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":11067000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":11067000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":11376000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":11376000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":12309000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":46165000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":80199000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":80199000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":80199000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":80199000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":80199000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":41302000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":73443000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":41170000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":73366000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":73366000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":44662000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"InterestCostsCapitalized":{"label":"Interest Costs Capitalized","description":"Amount of interest capitalized during the period.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":2300000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":5600000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":5600000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":5600000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":9400000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":9400000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":9400000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":9400000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":4100000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":4100000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":4700000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4700000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":12600000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":12600000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":29500000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":5164000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":5164000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-06-30","val":2592000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":1298000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":4351000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":1759000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":5050000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":5050000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-03-31","val":1539000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":1539000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":2753000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-06-30","val":2753000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":1214000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":1214000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-09-30","val":5654000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":2901000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":9955000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":9955000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":4204000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":4204000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":10689000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":6485000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2"}]}},"InterestExpenseDebt":{"label":"Interest Expense, Debt","description":"Amount of the cost of borrowed funds accounted for as interest expense for debt.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":2800000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":1400000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2012-01-01","end":"2012-06-30","val":3700000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":1800000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2"}]}},"InterestExpenseLesseeAssetsUnderCapitalLease":{"label":"Interest Expense, Lessee, Assets under Capital Lease","description":"The amount, during the lease term, of each minimum [capital] lease payment allocated to interest expense so as to produce a constant periodic rate of interest on the remaining balance of the capital lease obligation.","units":{"USD":[{"start":"2012-07-01","end":"2012-09-30","val":2800000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":6900000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":6900000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":843000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":10300000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":5400000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-12-31","val":19888000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":23225000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"}]}},"InterestExpenseLongTermDebt":{"label":"Interest Expense, Long-term Debt","description":"Aggregate amount of interest paid or due on all long-term debt.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":4800000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":2000000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-09-30","val":3900000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":200000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3"}]}},"InterestExpenseRelatedParty":{"label":"Interest Expense, Related Party","description":"Amount of interest expense incurred on a debt or other obligation to related party.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":4100000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":4100000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"}]}},"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":-5050000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":-2685000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":68000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-2944000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-2944000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-2944000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-204000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-417000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":-213000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-613000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-613000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":-196000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":-196000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-1672000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-1672000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-1672000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-1672000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-5655000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":-5655000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-12284000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":-12284000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":-6629000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":-6629000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-20944000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":-20944000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":-8660000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":-8660000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-30856000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":-30856000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":-30856000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":-10871000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-11457000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-11457000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-23097000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-23097000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":-11640000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":-11640000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-34361000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":-34361000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":-11264000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":-11264000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-45661000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-21345000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":-21345000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-21345000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-10258000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":-4552000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-19649000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":-8646000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":-9391000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":-4094000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-27311000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":-11448000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":-7662000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":-2802000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-16766000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":-16766000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-16766000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-16766000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-7926000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-7926000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-7926000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-16588000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-16588000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":-8662000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":-8662000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-26014000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-26014000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":-9426000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":-9426000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-36181000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":-36129000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":-36955000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":36955000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-10833000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":-10716000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":-12670000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-31399000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":-35735000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":-20683000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":-23065000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-76740000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":-76740000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-41005000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":-41005000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-122094000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":122094000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-49356000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":-49356000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-99073000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":-49717000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-152996000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-53923000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":209984000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-54531000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"InterestIncomeRelatedParty":{"label":"Interest Income, Related Party","description":"Amount of interest income earned from interest-bearing assets owed to the entity by related party.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":1300000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2020-01-01","end":"2020-03-31","val":3600000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":5199000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":5199000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":2782000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":5283000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":5663000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":5663000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":5663000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":2581000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":2581000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6016000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":6016000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":7656000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":6237000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":11996000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":11996000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":6461000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":6461000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":6461000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4014000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":4014000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":9651000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":219000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":714000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":714000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":939000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":939000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":939000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":939000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":4866000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":4866000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":10800000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":10800000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":17581000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":17581000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":20693000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":20693000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":20693000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":1580000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":17823000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":17316000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":25422000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":23871000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":43026000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":39885000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":45477000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":19606000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":19606000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":19606000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16374000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":9738000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":20132000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":8503000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":31961000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":15437000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":13899000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":13899000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":13899000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":13899000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":9411000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":9411000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":9411000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":20996000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":20996000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":31091000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":31091000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":41958000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":41958000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":43794000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":43794000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":11594000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":11594000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":13532000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":29961000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":33621000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":42652000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":42652000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":54154000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":54154000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":88240000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":88240000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":106001000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":192298000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":216592000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":88081000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"InterestPayableCurrent":{"label":"Interest Payable, Current","description":"Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2013-12-31","val":3000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":3000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-12-31","val":8338000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":8338000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":8338000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":8753000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":8753000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-12-31","val":12016000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016Q4I"}]}},"InvestmentIncomeDividend":{"label":"Investment Income, Dividend","description":"Amount of dividend income on nonoperating securities.","units":{"USD":[{"start":"2016-01-01","end":"2016-03-31","val":2800000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":5500000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":2800000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":8300000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":2800000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3"}]}},"InvestmentIncomeNonoperating":{"label":"Investment Income, Nonoperating","description":"The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":2367000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":18191000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":18191000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":18191000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":9898000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":22171000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":61778000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":61778000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":163279000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures":{"label":"Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures","description":"Amount of investment in equity method investee and investment in and advance to affiliate.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":201342000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":201342000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":201342000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":201342000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":77025000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":215995000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":260266000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":284643000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":184562000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":184562000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":184562000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":184562000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":184562000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":184562000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":237308000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":260737000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":339978000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":460546000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":460546000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":460546000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":460546000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":460546000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":460546000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":546428000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":546428000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1003299000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1300430000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1510289000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1510289000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":1510289000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":1510289000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":1510289000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1673325000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2066330000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2227321000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2324108000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":2324108000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2465827000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"InvestmentTaxCredit":{"label":"Investment Tax Credit","description":"The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":700000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":700000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"LeaseCost":{"label":"Lease, Cost","description":"Amount of lease cost recognized by lessee for lease contract.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":1673000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6041000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":4368000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":10452000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":4411000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":15038000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"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":48566000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":67712000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":67294000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":65028000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, after Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-03-31","val":24729000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":24728000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":24728000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":24728000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2019-03-31","val":4218000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10937000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12168000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":12504000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":3889000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3966000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3966000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3966000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":3841000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5607000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5607000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5607000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":4117000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7694000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7694000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7974000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":4070000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9161000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":9913000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":10249000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":3702000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5619000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3218000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"}]}},"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":13671000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":14597000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":13926000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13279000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2011-12-31","val":255381000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":255381000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":372809000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":372809000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":316717000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":208685000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":236391000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":236391000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":236391000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":236391000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":80788000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":80788000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":232331000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":232331000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":239690000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":29106000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":268825000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":268825000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":337455000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":337455000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":337455000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":396891000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":276899000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":515661000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":705226000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":730951000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":816675000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":816675000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":816675000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":816675000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":816675000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1004285000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1049147000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1074321000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1066123000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1066123000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1066123000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1066123000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":990101000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":796006000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":844998000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":900774000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1082286000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":1082286000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":1082286000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1082286000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":1082286000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1082286000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1120348000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1144614000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1239268000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1399869000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1399869000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":1433531000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1433531000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":1759971000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":1759971000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1489859000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":1513690000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4085291000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4208340000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4642822000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":4642822000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":4642822000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":4642822000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":4642822000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5034392000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5637158000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6031138000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6156257000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":6156257000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7205466000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":546442000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":546442000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":546442000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":546442000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":641824000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":702609000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":707604000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":753637000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":753637000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":714846000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":714846000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":727964000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":773521000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":913013000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":913013000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":1063972000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":1063972000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":1063972000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":1351940000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":934126000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1145409000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1358284000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1421990000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1822819000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1951369000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2037024000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2168089000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":2633835000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":2833358000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2420565000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2733328000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2829492000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":3075840000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3160475000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3219642000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3347429000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3548827000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":3548827000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":5147576000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":5147576000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":7998835000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":7998835000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3693275000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":5314566000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":6562425000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":9266191000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":9456121000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":9888585000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12063170000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12154037000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11815019000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":11815019000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12858054000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":117428000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":117428000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":117428000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":117428000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":78273000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":32998000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":30326000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":30326000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":30326000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":30326000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":35266000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":35266000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":28151000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":28151000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":32029000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":26733000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":129078000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":129078000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":157868000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":157868000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":157868000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":158168000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":136031000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":374635000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":64522000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":87379000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":94520000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":94520000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":94520000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":94520000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":94520000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":358794000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":401282000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":411347000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":389228000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":389228000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":389228000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":389228000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":404767000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":108917000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":151333000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":196141000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":86992000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":86992000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":86992000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":86992000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":86992000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":86992000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":123953000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":148098000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":137444000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":212244000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":212244000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":245906000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":245906000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":276986000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":276986000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":164223000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":188054000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":609874000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":700034000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":522459000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":522459000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":522459000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":522459000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":522459000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":426997000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":724242000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":536266000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":315861000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":315861000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":297429000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest":{"label":"Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest","description":"Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).","units":{"pure":[{"start":"2012-07-01","end":"2012-07-02","val":0.02,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-07-02","val":0.02,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-07-02","val":0.02,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-03","end":"2012-12-31","val":0.02,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-03","end":"2012-12-31","val":0.02,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":0.02,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":0.02,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.02,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":0.02,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":0.02,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":0.02,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":0.02,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.02,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":0.02,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.02,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":0.02,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0.02,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0.02,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":0.02,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0.02,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":0.02,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-02-01","end":"2015-02-28","val":0.02,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2015-03-18","val":0.02,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2015-03-18","val":0.02,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2015-03-18","val":0.02,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-03-31","val":0.02,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-03-01","end":"2015-03-31","val":0.02,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-03-01","end":"2015-03-31","val":0.02,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-03-01","end":"2015-03-31","val":0.02,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-03-01","end":"2015-03-31","val":0.02,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-06-30","val":0.02,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":0.02,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-06-30","val":0.02,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-04-01","end":"2015-06-30","val":0.02,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":0.02,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0.02,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0.02,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"}]}},"LimitedPartnersCapitalAccount":{"label":"Limited Partners' Capital Account","description":"The amount of the limited partners' ownership interests.","units":{"USD":[{"end":"2012-09-30","val":306737000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":310679000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":310679000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":310679000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":310679000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":313304000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":313304000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":315856000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":315856000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":318415000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":830111000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":818431000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":818431000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":818431000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":818431000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":818431000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":818431000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":826693000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1607579000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1622798000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1647910000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1647910000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1647910000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1647910000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1647910000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1647910000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":988727000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1026670000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1129144000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1598675000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1598675000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1598675000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1598675000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":1598675000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1651868000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1911473000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1948458000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2008510000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":2008510000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":2008510000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":2008510000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":2008510000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":2008510000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2051188000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2082011000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2111095000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2147706000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":2147706000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":2147706000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":2147706000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":2147706000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":2147706000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2198127000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":2198127000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2448531000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5026431000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4783673000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"LimitedPartnersCapitalAccountUnitsIssued":{"label":"Limited Partners' Capital Account, Units Issued","description":"The number of limited partner units issued.","units":{"shares":[{"end":"2012-09-30","val":17339718,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":17339718,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":17339718,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":17339718,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":30468902,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":30468902,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":30468902,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":30468902,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":30468902,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":30468902,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":30468902,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":30468902,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":43347452,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":43347452,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":70707706,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":70707706,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":71535681,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":77632449,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":80581758,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":80581758,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":80581758,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":80581758,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":80581758,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":120457638,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":80591366,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":80591366,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":86480648,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":120456425,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":120457638,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"LimitedPartnersCapitalAccountUnitsOutstanding":{"label":"Limited Partners' Capital Account, Units Outstanding","description":"The number of limited partner units outstanding.","units":{"shares":[{"end":"2012-09-30","val":17339718,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":17339718,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":17339718,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":17339718,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":17339718,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":30468902,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":30468902,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":30468902,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":30468902,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":30468902,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":30468902,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":30468902,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":30468902,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":43347452,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":43347452,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":43347452,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":70707706,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":70707706,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":71535681,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":77520181,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":77632449,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":80581758,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":80581758,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":80581758,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":80581758,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":80581758,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":80581758,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":80581758,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":80591366,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":80591366,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":86480648,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":120456425,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":80581758,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"LinesOfCreditCurrent":{"label":"Line of Credit, Current","description":"The carrying value as of the balance sheet date of the current 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":"2014-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":299000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":299000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":299000000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":299000000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":299000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":9000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":91000000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q4I"},{"end":"2017-06-30","val":40000000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"}]}},"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":"2011-12-31","val":135235000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":135235000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":135235000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":135235000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2012-06-30","val":0,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"LongTermDebtFairValue":{"label":"Long-term Debt, Fair Value","description":"The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.","units":{"USD":[{"end":"2014-09-30","val":496000000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":496000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":496000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":496000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":496000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q4I"},{"end":"2015-03-31","val":498000000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":472000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":441000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term Debt, Maturity, after Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":1900000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":500000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2019-12-31","val":1100000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2019-12-31","val":1400000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"LongTermDebtNoncurrent":{"label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2011-12-31","val":135235000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":135235000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":135235000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":135235000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2013-12-31","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-09-30","val":492512000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":492633000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":492633000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":492633000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":492633000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":492633000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":492633000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":492825000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":493017000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":493209000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":493401000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":493401000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":493401000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":493401000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":493401000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":493594000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":493786000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":493978000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":985732000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":985732000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":985732000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":985732000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q4I"},{"end":"2017-03-31","val":986137000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":986542000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":986947000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"}]}},"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":"2016-12-31","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-09-30","val":105000000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":180000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":180000000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":180000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":180000000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":466000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":466000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":317000000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":317000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":22000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":625000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":625000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":625000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":625000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":625000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1082000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1372500000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":557500000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":902500000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":902500000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1722500000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"LongTermPurchaseCommitmentAmount":{"label":"Long-term Purchase Commitment, Amount","description":"The minimum amount the entity agreed to spend under the long-term purchase commitment.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":30000000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"}]}},"MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders":{"label":"Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders","description":"Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":750000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":750000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":750000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-03-31","val":750000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":750000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":750000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":750000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":750000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"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":"2018-01-01","end":"2018-06-30","val":175000000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":175000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":175000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":175000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":175000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":175000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"}]}},"NetCashProvidedByUsedInContinuingOperations":{"label":"Net Cash Provided by (Used in) Continuing Operations","description":"The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":-4937000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":-4937000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":-14341000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":-14341000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":-14341000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":-14341000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":28486000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":27074000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":21950000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":21950000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4102000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":4102000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2454000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":-19012000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2015-01-01","end":"2015-09-30","val":319863000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-03-31","val":116327000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":276373000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":370353000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":380018000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-03-31","val":161422000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":320305000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":480203000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"}]}},"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":"2015-01-01","end":"2015-09-30","val":446916000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":779450000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":779450000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-353393000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-216336000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-227037000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":-199605000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":-106459000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-106459000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-106459000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-97606000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-97606000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-97606000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-161844000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-161844000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":-210556000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-210556000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":-251393000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":-213788000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":-204985000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-204985000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":23983000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":23233000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":29388000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1875076000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":1780686000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":1336923000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":1336923000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":1725930000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1725930000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":245708000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":245708000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1164172000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":1491099000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1578471000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":559228000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":2751000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":2751000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":-11425000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":16064000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":73926000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":73926000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":73926000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":39634000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":39634000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":79496000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":79496000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":124649000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":130487000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":112075000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":112075000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":114964000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":91874000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":123171000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-12288000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":-12288000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":-10004000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-26619000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":-67569000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-50200000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-91619000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-69993000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-130807000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-8967000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-8967000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-26125000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":10050000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":131374000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":171920000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":260013000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":323780000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":222401000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":293569000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":293569000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":316892000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":441718000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":441718000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":401615000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":401615000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":446916000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":755884000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":779450000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-365026000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-231442000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-12-31","val":-106459000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"}]}},"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":"2015-01-01","end":"2015-09-30","val":-891712000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":-1043822000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-1043822000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-123522000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-336899000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-494130000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":-541369000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":-732033000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-732033000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-732033000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-81687000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-81687000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-81687000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-207299000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-207299000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":-324936000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-324936000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":-456968000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":-512062000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":-535535000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-535535000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-199954000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":-253817000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":-286529000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1676669000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":-1756739000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":-2252293000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":-2252293000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-2950254000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-2950254000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-350357000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":-350357000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-1675305000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":-2171542000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-2629633000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-845857000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":-36404000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":-36404000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":-32226000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":-73434000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":-135831000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":-135831000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":-135831000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-51240000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-51240000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-125411000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":-125411000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":-147379000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":-168300000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":-167062000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":-167062000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-193522000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-214880000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-273225000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-10485000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":-10485000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":-12073000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-23868000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":-41557000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":-56424000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-76173000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-83020000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-121431000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-283011000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-283011000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-19388000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":-52008000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-248148000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":-299867000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":-312132000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":-398647000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":-372113000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":-486303000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":-486303000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":-524437000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-532435000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-532435000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-765883000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-765883000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":-891712000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":-994721000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-1043822000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-103674000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-303958000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-12-31","val":-732033000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"}]}},"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":"2014-01-01","end":"2014-12-31","val":324804000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":489706000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":489706000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":489706000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":537904000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":537904000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":537904000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":537904000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":161422000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":161422000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":320305000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":480203000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":650550000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":668573000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":681848000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":681848000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":182402000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":221421000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":283958000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":441646000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":622907000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":865482000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":865482000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":1187239000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1187239000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":160973000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":160973000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":510243000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":744827000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1049407000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":285136000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":28716000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":28716000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":29310000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":43029000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":47564000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":47564000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":47564000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":11606000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":11606000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":45915000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":45915000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":51216000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":64887000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":76937000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":76937000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":128599000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":173047000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":200095000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":26875000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":26875000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":39022000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":52941000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":83364000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":87612000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":148780000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":121335000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":220560000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":260300000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":260300000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":51198000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":47643000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":124159000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":135332000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":188981000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":211729000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":257524000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":300546000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":300546000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":114659000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":114659000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":239102000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":239102000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":319863000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":463476000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":118254000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":268680000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"}]}},"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":"2010-01-01","end":"2010-12-31","val":19241000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":19241000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":8635000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-03-31","val":8635000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":13575000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":4940000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":4940000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-04-01","end":"2011-06-30","val":4940000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":21956000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":8381000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":8381000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-07-01","end":"2011-09-30","val":8381000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":32589000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":32589000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":32589000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":10633000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-10-01","end":"2011-12-31","val":10633000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":11123000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-03-31","val":11123000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":11123000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-03-31","val":11123000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":23135000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":23135000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":12012000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":12012000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-04-01","end":"2012-06-30","val":12012000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-04-01","end":"2012-06-30","val":12012000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":11639000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-07-02","val":23246000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-07-02","val":23246000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-07-02","val":23246000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-09-30","val":35146000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":38720000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":12011000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":12011000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-09-30","val":12011000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-09-30","val":15958000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":15958000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q3"},{"start":"2012-07-03","end":"2012-09-30","val":11900000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":55306000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":55306000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":63122000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":94241000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":110216000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-07-03","end":"2012-12-31","val":32060000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-03","end":"2012-12-31","val":32060000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-10-01","end":"2012-12-31","val":20160000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-10-01","end":"2012-12-31","val":20160000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-10-01","end":"2012-12-31","val":24402000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":22230000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":22230000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":26789000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-03-31","val":26789000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2013-01-01","end":"2013-03-31","val":39735000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-03-31","val":42986000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":40120000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":80394000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":17890000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":24510000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-04-01","end":"2013-06-30","val":40659000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":40659000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-04-01","end":"2013-06-30","val":44717000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":79015000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":124448000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":27716000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":27716000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-07-01","end":"2013-09-30","val":44054000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":44054000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-07-01","end":"2013-09-30","val":49943000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":109767000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":171107000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":189791000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":189791000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":30752000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-10-01","end":"2013-12-31","val":46659000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-10-01","end":"2013-12-31","val":52145000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":34855000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":49504000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-03-31","val":54998000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-03-31","val":54998000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2014-01-01","end":"2014-03-31","val":54998000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":101584000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":113966000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":52080000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":52080000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-04-01","end":"2014-06-30","val":58968000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-04-01","end":"2014-06-30","val":58968000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":58968000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":158117000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":181667000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":56533000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":56533000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-07-01","end":"2014-09-30","val":67701000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-07-01","end":"2014-09-30","val":67701000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":67701000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":232773000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":266500000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":266500000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":284816000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":74656000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-10-01","end":"2014-12-31","val":84833000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-10-01","end":"2014-12-31","val":84833000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":95306000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":95306000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-03-31","val":95306000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-03-31","val":101125000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":186625000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":186625000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":91319000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":91319000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-04-01","end":"2015-06-30","val":91319000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":133305000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":280741000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":280741000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":94116000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":94116000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-07-01","end":"2015-09-30","val":94116000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":100375000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":393450000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":455126000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":455126000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":455126000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":112709000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-10-01","end":"2015-12-31","val":120321000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":129065000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":136735000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-03-31","val":136735000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2016-01-01","end":"2016-03-31","val":136735000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":253827000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":268594000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":124762000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":131859000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-04-01","end":"2016-06-30","val":131859000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":131859000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":380395000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":402254000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":126568000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":133660000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-07-01","end":"2016-09-30","val":133660000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":133660000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":537954000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":537954000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":537954000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":537954000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":135700000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-10-01","end":"2016-12-31","val":135700000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":282335000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":282335000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":425273000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":425273000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":571904000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":584492000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":609626000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":609626000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":146631000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-10-01","end":"2017-12-31","val":159219000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-10-01","end":"2017-12-31","val":184353000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":177218000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":206833000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":260350000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":260350000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":260350000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":379452000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":494182000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":172619000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":233832000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":233832000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":233832000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":704109000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":704109000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":668002000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":668002000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-36107000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":-36107000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":404369000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":152438000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":152438000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2"},{"start":"2019-04-10","end":"2019-06-30","val":6506000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":393851000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-10","end":"2019-09-30","val":-87949000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-10518000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-10518000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":183373000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-210478000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":251678000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"NetIncomeLossAllocatedToGeneralPartners":{"label":"Net Income (Loss) Allocated to General Partners","description":"Aggregate amount of net income allocated to general partners.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":312000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":312000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-07-03","end":"2012-09-30","val":238000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":791000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":-791000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":-791000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-07-03","end":"2012-12-31","val":640000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-03","end":"2012-12-31","val":640000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":444000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":444000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":505000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":802000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":970000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":358000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":465000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1726000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":-1726000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":755000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":-755000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2927000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":-2927000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":-2927000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":-2927000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1723000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":-1723000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":4514000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":-4514000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":2792000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":-2792000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-9055000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":-9055000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":-4540000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":-4540000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-15705000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":-15705000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":-15705000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-9729000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":-1684000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-21638000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":-3510000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":-11908000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":-1826000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-36153000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":-5370000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":-14515000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":-1860000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-54447000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":-7455000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-2355000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":-2355000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-4561000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":-4561000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":-2210000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":-2210000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-6786000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":-6785000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":-2227000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":-2224000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-9173000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":-9173000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-2519000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":-2519000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":-2519000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-4967000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-4967000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":-2448000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":-2448000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-7482000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":-7482000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":-2515000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":-2515000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-10060000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":-10060000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-10060000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-3117000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":-3117000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":-3117000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-4791000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":-4791000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":-1700000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":-1700000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-7145000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":-7145000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-2379000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":-2379000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-6104000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-6104000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"NetIncomeLossAllocatedToLimitedPartners":{"label":"Net Income (Loss) Allocated to Limited Partners","description":"Aggregate amount of net income allocated to limited partners.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":13778000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":13778000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-07-03","end":"2012-09-30","val":11662000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":35768000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":35768000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":35768000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-07-03","end":"2012-12-31","val":31420000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-03","end":"2012-12-31","val":31420000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":21786000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":21786000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":23574000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":39318000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":44140000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":17532000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":20566000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":71100000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":71100000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":26961000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":26961000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":100651000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":100651000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":100651000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":100651000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":33132000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":33132000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":76919000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":76919000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":43786000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":43786000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":128911000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":128911000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":51993000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":51993000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":196917000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":196917000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":196917000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":196917000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":74471000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":74471000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":153881000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":153881000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":79411000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":79411000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":233482000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":233482000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":79601000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":79601000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":327897000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":327897000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":327897000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":327897000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":107878000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":107878000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":208217000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":208217000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":100335000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":100335000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":307648000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":307647000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":99429000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":99430000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":413352000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":413352000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":413352000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":413352000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":109991000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":109991000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":109991000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":212532000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":212532000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":102541000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":102541000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":315340000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":315340000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":102808000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":102808000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":418313000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":418313000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":418313000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":418313000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":129937000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":129937000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":129937000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":221354000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":221354000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":91391000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":91391000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":349469000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":349469000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":128091000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":128091000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":241729000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":241729000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":381390000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":129459000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":345371000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-36019000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":109392000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":226177000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"NetIncomeLossAttributableToNoncontrollingInterest":{"label":"Net Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":734000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":734000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":734000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2493000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":2493000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":3346000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":3346000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":853000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":853000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3346000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":3346000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":3346000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":3346000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4033000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":4033000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-04-10","end":"2019-06-30","val":4033000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":-25664000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-10","end":"2019-09-30","val":-25664000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-29697000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-21291000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3607000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted":{"label":"Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted","description":"Per unit of ownership amount after tax of income (loss) available to limited partnership (LP) unit-holder and units that would have been outstanding assuming the issuance of limited partner units for dilutive potential units outstanding.","units":{"USD/shares":[{"start":"2012-01-01","end":"2012-09-30","val":0.4,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":0.4,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":0.4,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.03,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":1.03,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":1.03,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.63,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.27,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.84,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":1.84,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":0.6,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":0.6,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-07-01","end":"2013-09-30","val":0.6,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":0.6,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-07-01","end":"2013-09-30","val":0.6,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2.46,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":2.46,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":2.46,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":2.46,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":0.62,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-10-01","end":"2013-12-31","val":0.62,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-10-01","end":"2013-12-31","val":0.62,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.49,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":1.49,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":2.37,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":2.37,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0.85,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":0.85,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-07-01","end":"2014-09-30","val":0.85,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-07-01","end":"2014-09-30","val":0.85,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0.85,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":3.52,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":3.52,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":3.52,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3.52,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1.12,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-10-01","end":"2014-12-31","val":1.12,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-10-01","end":"2014-12-31","val":1.12,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2.31,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":2.31,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":3.44,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":3.44,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":4.7,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":4.7,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":4.7,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":4.7,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":1.26,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-10-01","end":"2015-12-31","val":1.26,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2.66,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":2.66,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":3.89,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":3.89,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":1.31,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-10-01","end":"2016-12-31","val":1.31,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":1.31,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2.64,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3.91,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":1.28,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-10-01","end":"2017-12-31","val":1.28,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-10-01","end":"2017-12-31","val":1.28,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":1.14,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.43,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":1.56,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":0.62,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":-0.18,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3"},{"start":"2019-10-01","end":"2019-12-31","val":-1.18,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"}]}},"NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDiluted":{"label":"Net Income (Loss), Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted, Net of Tax","description":"The amount of net income or loss for the period per each limited partnership and general partnership unit in instances when basic and diluted earnings per unit are the same amount and aggregated on the face of the financial statements. Basic earnings per unit is the amount of net income or loss for the period per unit outstanding during the reporting period. Diluted earnings per unit includes the amount of net income or loss for the period available to each limited and general partnership unit outstanding during the reporting period and to each unit that would have been outstanding assuming the issuance of units for all dilutive potential units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2017-01-01","end":"2017-06-30","val":2.64,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3.91,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-06-30","val":2.69,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3.73,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":1.14,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3"}]}},"NetIncomeLossPerOutstandingLimitedPartnershipUnit":{"label":"Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic (Deprecated 2013-01-31)","description":"Net income (loss) allocated to each outstanding limited partnership unit.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":0.34,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":0.34,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0.34,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-09-30","val":0.34,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":0.91,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.91,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-10-01","end":"2012-12-31","val":0.57,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4"},{"start":"2012-10-01","end":"2012-12-31","val":0.57,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":0.63,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0.63,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":1.13,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":0.51,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2"}]}},"NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax":{"label":"Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax","description":"Per unit of ownership amount after tax of income (loss) available to outstanding limited partnership (LP) unit-holder.","units":{"USD/shares":[{"start":"2012-01-01","end":"2012-09-30","val":0.4,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":0.4,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":0.4,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.03,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":1.03,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":1.03,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.63,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-03-31","val":0.68,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.27,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-04-01","end":"2013-06-30","val":0.59,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":1.84,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":1.84,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":0.61,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":0.61,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-07-01","end":"2013-09-30","val":0.61,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":0.61,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-07-01","end":"2013-09-30","val":0.61,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2.47,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":2.47,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":2.47,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":2.47,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":0.62,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-10-01","end":"2013-12-31","val":0.62,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-10-01","end":"2013-12-31","val":0.62,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2014-01-01","end":"2014-03-31","val":0.69,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.49,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":1.49,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":0.81,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":2.38,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":2.38,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0.86,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":0.86,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-07-01","end":"2014-09-30","val":0.86,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-07-01","end":"2014-09-30","val":0.86,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":0.86,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":3.53,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":3.53,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":3.53,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3.53,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":1.12,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-10-01","end":"2014-12-31","val":1.12,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-10-01","end":"2014-12-31","val":1.12,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-03-31","val":1.18,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2.32,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":2.32,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":1.12,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":3.44,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":3.44,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":1.12,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":4.71,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":4.71,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":4.71,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":4.71,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":1.27,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-10-01","end":"2015-12-31","val":1.27,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":1.39,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2.66,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":2.66,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":1.27,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":3.89,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":3.89,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":1.23,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":5.21,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":1.31,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-10-01","end":"2016-12-31","val":1.31,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":1.31,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-03-31","val":1.36,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2.64,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-04-01","end":"2017-06-30","val":1.27,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3.91,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-07-01","end":"2017-09-30","val":1.28,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":5.19,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":1.28,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-10-01","end":"2017-12-31","val":1.28,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-10-01","end":"2017-12-31","val":1.28,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":1.61,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":1.09,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":1.14,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.43,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-0.9,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":1.63,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":0.65,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":-0.18,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3"},{"start":"2019-10-01","end":"2019-12-31","val":-1.18,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"}]}},"NetIncomeLossPerOutstandingLimitedPartnershipUnitDiluted":{"label":"Net Income (Loss), Per Outstanding Limited Partnership Unit, Diluted (Deprecated 2013-01-31)","description":"Net Income or Loss allocated to each limited partner unit outstanding during the reporting period and each unit that would have been outstanding assuming the issuance of limited partner units for all dilutive potential units outstanding during the reporting period. Limited partners have limited liability and do not manage the partnership.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":0.34,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":0.34,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0.34,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-09-30","val":0.34,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":0.9,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.9,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-10-01","end":"2012-12-31","val":0.57,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q4"},{"start":"2012-10-01","end":"2012-12-31","val":0.57,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":0.63,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0.63,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":1.13,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":0.5,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2"}]}},"NoncontrollingInterestIncreaseFromBusinessCombination":{"label":"Noncontrolling Interest, Increase from Business Combination","description":"Amount of increase in noncontrolling interest from a business combination.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":1514743000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":1515316000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2019-04-01","end":"2019-06-30","val":486062000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":486062000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":478460000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable":{"label":"Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Nonredeemable","description":"Amount after tax of income (loss) attributable to nonredeemable noncontrolling preferred unit holders.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":22979000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":22979000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":48480000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":25501000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":73981000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":25501000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"NotesPayableFairValueDisclosure":{"label":"Notes Payable, Fair Value Disclosure","description":"Fair value portion of notes payable.","units":{"USD":[{"end":"2011-12-31","val":155000000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q4I"}]}},"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":"2015-12-31","val":124317000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-12-31","val":119126000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016Q4I"}]}},"NotesReceivableRelatedPartiesCurrent":{"label":"Notes Receivable, Related Parties, Current","description":"Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle).","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4167000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":4000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":4000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":4000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q4I"}]}},"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":"2019-12-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":845820000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":[{"end":"2020-02-25","val":3,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14"},{"end":"2020-02-26","val":3,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"},{"start":"2020-01-01","end":"2020-03-31","val":3,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":{"item":[{"start":"2012-01-01","end":"2012-12-31","val":2,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":2,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":2,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":2,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":2,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"}],"Segment":[{"start":"2014-01-01","end":"2014-09-30","val":2,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"}],"segment":[{"start":"2014-01-01","end":"2014-12-31","val":2,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":2,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":2,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":2,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"},{"end":"2017-11-13","val":2,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3I"},{"start":"2017-01-01","end":"2017-12-31","val":2,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":2,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017"},{"start":"2018-01-01","end":"2018-07-22","val":2,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-23","end":"2018-09-30","val":3,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-11-12","val":2,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-11-12","val":2,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2017-11-13","end":"2018-12-31","val":3,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-11-13","end":"2018-12-31","val":3,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2018-01-01","end":"2018-12-31","val":3,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":3,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":3,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"NumberOfReportingUnits":{"label":"Number of Reporting Units","description":"Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.","units":{"reporting_unit":[{"end":"2017-11-13","val":2,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-11-13","val":2,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q3I"},{"end":"2018-04-25","val":2,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-04-25","val":2,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-04-25","val":2,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1I"},{"start":"2019-01-01","end":"2019-09-30","val":3,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2020-02-25","val":7,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14"},{"end":"2020-02-26","val":6,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"OfferingCostsPartnershipInterests":{"label":"Offering Costs, Partnership Interests","description":"Costs incurred in connection with the offering and selling of additional partner interest.","units":{"USD":[{"end":"2013-07-22","val":21000000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q2I"},{"end":"2013-07-31","val":21000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-07-31","val":21000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-07-31","val":21000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2013-07-31","val":20833000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-05-31","val":34000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-05-31","val":34000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-05-31","val":33992000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-05-31","val":33992000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014Q2I"},{"end":"2015-03-31","val":24468000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-03-31","val":24468000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-03-31","val":24468000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-03-31","val":24468000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q1I"},{"end":"2015-09-30","val":1610000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q3I"},{"end":"2015-11-30","val":5733000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-11-30","val":5733000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-11-30","val":5733000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-11-30","val":5733000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2015-12-31","val":1610000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-12-31","val":1610000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-12-31","val":1610000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2381000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":2381000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":2381000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":37937000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":37937000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":15096000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-03-31","val":15096000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":23828000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":8732000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":8732000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-04-01","end":"2011-06-30","val":8732000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":37835000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":14007000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":14007000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-07-01","end":"2011-09-30","val":14007000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":54620000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":54620000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":54620000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":16785000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-10-01","end":"2011-12-31","val":16785000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":16392000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-03-31","val":16392000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":16392000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-03-31","val":16392000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":32391000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":32391000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":15999000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":15999000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-04-01","end":"2012-06-30","val":15999000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-04-01","end":"2012-06-30","val":15999000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":15986000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":46688000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":48852000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":14297000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":14297000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-09-30","val":14297000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-09-30","val":16474000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":16474000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":70691000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":70691000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":75151000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":125022000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":150600000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":24003000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-10-01","end":"2012-12-31","val":24003000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-10-01","end":"2012-12-31","val":26299000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":26137000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":26137000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":28429000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-03-31","val":28429000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2013-01-01","end":"2013-03-31","val":49293000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-03-31","val":54896000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":50283000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":102133000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":24146000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":26814000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-04-01","end":"2013-06-30","val":52840000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":52840000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-04-01","end":"2013-06-30","val":59709000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":82836000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":156057000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":27593000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":27593000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-07-01","end":"2013-09-30","val":53924000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":53924000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-07-01","end":"2013-09-30","val":63883000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":114250000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":213109000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":244794000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":244794000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":31414000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-10-01","end":"2013-12-31","val":57052000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-10-01","end":"2013-12-31","val":66306000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":40241000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":63956000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-03-31","val":72617000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-03-31","val":72617000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2014-01-01","end":"2014-03-31","val":72617000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":125496000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":145017000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":61540000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":61540000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-04-01","end":"2014-06-30","val":72400000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-04-01","end":"2014-06-30","val":72400000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":72400000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":189883000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":226883000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":64387000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":64387000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-07-01","end":"2014-09-30","val":81866000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-07-01","end":"2014-09-30","val":81866000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":81866000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":273736000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":326712000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":326712000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":332595000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":83853000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-10-01","end":"2014-12-31","val":99829000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-10-01","end":"2014-12-31","val":99829000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":112752000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":112752000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-03-31","val":112752000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-03-31","val":115602000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":214148000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":214148000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":101396000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":101396000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-04-01","end":"2015-06-30","val":101396000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":104200000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":317059000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":317059000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":102911000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":102911000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-07-01","end":"2015-09-30","val":102911000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":106309000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":437808000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":451036000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":451036000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":451957000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":120749000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-10-01","end":"2015-12-31","val":124925000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":132186000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":137120000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-03-31","val":137120000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2016-01-01","end":"2016-03-31","val":137120000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":137306000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":256481000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":266149000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":124295000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":129029000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-04-01","end":"2016-06-30","val":129029000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":129029000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":129215000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":377832000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":392359000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":121351000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":126210000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-07-01","end":"2016-09-30","val":126210000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":126210000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":126477000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":526949000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":526949000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":527856000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":527856000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":134590000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-10-01","end":"2016-12-31","val":134590000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":134858000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":145113000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":145113000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-03-31","val":145308000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":145308000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-03-31","val":145113000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":286205000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":286596000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":141092000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":141092000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-04-01","end":"2017-06-30","val":141288000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-04-01","end":"2017-06-30","val":141288000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":141092000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":431711000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":432298000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":145506000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":145506000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-07-01","end":"2017-09-30","val":145702000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-07-01","end":"2017-09-30","val":145702000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":145506000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":580708000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":594760000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":620705000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":620705000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":148997000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-10-01","end":"2017-12-31","val":162462000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-10-01","end":"2017-12-31","val":188994000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":178342000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":210333000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":265798000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":265798000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":265798000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":392606000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":511666000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":182273000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":245868000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":245868000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":245868000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":745166000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":745166000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":233500000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":233500000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":233500000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":233500000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":726653000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":726653000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-18513000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":-18513000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":268014000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":268014000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":268014000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":435461000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":167447000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":167447000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":404384000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-31077000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-31077000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":204186000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-200198000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":251414000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":1297000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4149000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":2852000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":6987000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":2838000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":10312000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"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":34895000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":53115000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":53368000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":51749000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"OperatingLeaseLiabilityCurrent":{"label":"Operating Lease, Liability, Current","description":"Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.","units":{"USD":[{"end":"2019-03-31","val":2800000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8800000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":10100000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":10200000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"OperatingLeasePayments":{"label":"Operating Lease, Payments","description":"Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.","units":{"USD":[{"start":"2019-01-01","end":"2019-06-30","val":3800000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":2500000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":6300000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":2500000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":9100000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2019-03-31","val":34800000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":52800000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":52400000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":51100000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"OperatingLeasesRentExpenseContingentRentals":{"label":"Operating Leases, Rent Expense, Contingent Rentals","description":"The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":200000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":3400000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":7500000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"}]}},"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":0.06,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.06,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.054,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.055,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"OtherAssets":{"label":"Other Assets","description":"Amount of assets classified as other.","units":{"USD":[{"end":"2014-12-31","val":18057000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":18057000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q4I"},{"end":"2015-06-30","val":141285000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":140204000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":14950000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":14950000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":14950000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q4I"},{"end":"2016-03-31","val":14452000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":19804000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":19838000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":140385000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":140385000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":140385000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q4I"},{"end":"2017-03-31","val":139236000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":137926000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":138770000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2011-12-31","val":843000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":843000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":843000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":843000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":4701000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2028000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1810000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":1810000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":1810000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":1810000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":1810000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":1810000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1731000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":1731000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1491000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1398000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1304000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":1304000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":1304000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":17550000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":17550000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4604000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3441000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-12-31","val":18057000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":18057000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":18057000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":14950000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":72846000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-12-31","val":21259000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":140385000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":140385000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":136895000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":136895000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":136966000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":136966000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":136894000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":136894000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":135466000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":135537000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":137257000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":146400000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":152464000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":152464000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":152464000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":152464000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":152464000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":183871000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":201891000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":198941000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":196779000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":196779000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":251666000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":7928000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":7928000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":7928000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":7928000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":5080000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5183000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2760000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":2760000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":2760000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":2760000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":2760000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":4680000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2428000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":2428000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2139000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2373000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":6014000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":6014000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":6014000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":6014000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":6014000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":6014000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":6763000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":5537000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":7184000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7111000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":7111000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":7111000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":7111000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":7111000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":7111000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7872000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6017000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7242000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7834000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":7834000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":7834000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":7834000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":7834000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":8730000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":9333000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":8910000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9562000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":9562000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":9562000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":9562000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":9562000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":9562000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":10258000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":9974000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":9877000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":20273000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":20273000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":20273000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":20273000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":29633000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":29633000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":20880000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":20880000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":21442000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":31010000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":38724000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":38724000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":38724000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":38724000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":38724000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":67414000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":81093000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":79164000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":78397000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":78397000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":78099000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2010-01-01","end":"2010-12-31","val":498000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":498000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":1006000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":2157000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":3826000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":3826000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":3826000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":2471000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":2471000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6628000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":6628000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":7243000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":7770000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":7701000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":7701000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":8228000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":8228000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":8228000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":297000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":297000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":297000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":526000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":526000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":845000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":845000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":269000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":269000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":828000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":828000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":1634000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":1634000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":2349000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":2349000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":2349000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3313000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":714000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":714000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1883000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":1883000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":3599000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":3599000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":5639000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":6327000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":6327000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":6327000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2472000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":2937000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":7714000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":8730000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":15126000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":16733000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":19402000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":19402000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":19402000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":19402000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1699000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":1699000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":1699000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3297000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":3297000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":4128000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":4128000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":5110000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":5110000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":5110000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5110000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1065000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":1065000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":1065000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2137000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":2137000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":3585000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":3585000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":5570000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":5570000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2346000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":2346000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4453000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":4927000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":5162000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":236000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"OtherNonoperatingIncome":{"label":"Other Nonoperating Income","description":"Amount of income related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":498000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":498000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":1006000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":660000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":2157000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":1151000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":3826000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":3826000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":3826000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":2471000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":2471000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":6628000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":6628000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":4157000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":4157000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":7243000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":7770000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":615000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":1142000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":7701000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":7701000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":8228000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":8228000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":8228000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":297000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":297000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":297000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":526000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":526000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":229000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":229000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":845000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":845000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":319000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":319000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":1242000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":269000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":269000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":828000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":828000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":559000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":559000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1634000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":1634000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":806000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":806000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2349000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":2349000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":2349000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3313000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":714000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":714000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1883000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":2277000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":1169000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":1563000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":3599000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":4746000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":1716000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":2469000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":5639000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":8694000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":8694000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":7773000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":7137000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":7602000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":16995000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":18011000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":9858000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":10409000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":29874000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":31490000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":12879000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":13479000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":37918000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":37918000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":37011000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":27113000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":6009000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":1537000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":1537000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":12718000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":6709000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":19576000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":6858000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":27377000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":26595000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":4439000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4439000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":898000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":898000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":5011000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":5011000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2210000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":4601000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4330000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"OtherNonoperatingIncomeExpense":{"label":"Other Nonoperating Income (Expense)","description":"Amount of income (expense) related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":27113000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":2939000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":1402000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3576000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":637000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":4439000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4439000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":904000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1842000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":1848000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":944000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":944000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3193000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":3193000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":1345000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":1345000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":5011000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":5011000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2210000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4169000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":1959000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4506000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":337000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4601000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PartnersCapital":{"label":"Partners' Capital","description":"The amount of ownership interest of different classes of partners in limited partnership.","units":{"USD":[{"end":"2009-12-31","val":102656000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2009-12-31","val":102656000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2009Q4I"},{"end":"2010-12-31","val":125523000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2010-12-31","val":125523000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2010-12-31","val":125523000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2010-12-31","val":125523000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2010Q4I"},{"end":"2011-12-31","val":173633000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":173633000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":173633000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":173633000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2011-12-31","val":173633000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2011-12-31","val":173633000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2011-12-31","val":173733000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2011-12-31","val":173733000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2011-12-31","val":247507000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2011-12-31","val":283939000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2011Q4I"},{"end":"2012-03-31","val":184756000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2012-03-31","val":184756000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-03-31","val":184756000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1I"},{"end":"2012-06-30","val":246834000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2012-06-30","val":246834000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2I"},{"end":"2012-09-30","val":460926000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2012-09-30","val":658320000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3I"},{"end":"2012-12-31","val":471213000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":471213000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":471213000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":471213000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":672849000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":672849000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-12-31","val":672849000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2012-12-31","val":754652000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2012-12-31","val":754652000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2012-12-31","val":754652000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-12-31","val":839819000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2012-12-31","val":839819000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2012Q4I"},{"end":"2013-03-31","val":482515000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":482515000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2013-03-31","val":688710000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1I"},{"end":"2013-06-30","val":488274000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2013-06-30","val":766410000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2I"},{"end":"2013-09-30","val":744415000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2013-09-30","val":830232000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3I"},{"end":"2013-12-31","val":644188000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":644188000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":726517000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":726517000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":726517000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":955049000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2013-12-31","val":955049000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2013-12-31","val":955049000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2013-12-31","val":955049000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2013-12-31","val":955049000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2013-12-31","val":1121214000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2013Q4I"},{"end":"2014-03-31","val":657227000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2014-03-31","val":1006084000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1I"},{"end":"2014-06-30","val":629748000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2014-06-30","val":892886000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2I"},{"end":"2014-09-30","val":653058000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2014-09-30","val":950585000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3I"},{"end":"2014-12-31","val":691039000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2014-12-31","val":1006144000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2014-12-31","val":1211326000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2014-12-31","val":1211326000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15","frame":"CY2014Q4I"},{"end":"2015-03-31","val":947084000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2015-03-31","val":947084000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1I"},{"end":"2015-06-30","val":987877000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2015-06-30","val":987877000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1093768000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2015-09-30","val":1093768000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1567712000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1567712000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1567712000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1567712000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1624559000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2016-03-31","val":1916956000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1888330000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2016-06-30","val":2188988000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1928718000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2016-09-30","val":2248794000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2040127000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2017-03-31","val":2040127000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2075028000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2017-06-30","val":2075028000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2108161000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2017-09-30","val":2108161000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2148958000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":2148958000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":3714045000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":6238864000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":6238864000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":6238864000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2017-12-31","val":6238864000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2017-12-31","val":6238864000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2017-12-31","val":6238864000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2203416000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":6346535000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-03-31","val":6346535000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-03-31","val":6346535000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2477134000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2018-06-30","val":5048601000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-06-30","val":5048601000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5057851000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2018-09-30","val":5057851000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4813299000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":4813299000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":4813299000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":4813299000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":4813299000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":4813299000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4854193000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2019-03-31","val":4854193000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2019-03-31","val":4854193000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-03-31","val":4854193000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":6426012000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2019-06-30","val":6426012000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6122899000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5658762000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":5658762000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5652588000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"PartnersCapitalAccountAcquisitions":{"label":"Partners' Capital Account, Acquisitions","description":"Change in the different classes of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.","units":{"USD":[{"start":"2013-01-01","end":"2013-09-30","val":32500000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":32500000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":32500000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":32500000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":32500000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":32500000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":59000000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":59000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":59000000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":59000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":59000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":59000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":59000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":59000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":52500000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":52500000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":52500000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":52500000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":52500000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":52500000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":52500000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":52500000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":52500000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":52500000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2017-01-01","end":"2017-12-31","val":2499668000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"PartnersCapitalAccountContributions":{"label":"Partners' Capital Account, Contributions","description":"Total contributions made by each class of partners (i.e., general, limited and preferred partners).","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":8601000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":8601000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":12610000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":27250000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":27250000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":27350000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":249501000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":249501000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":276543000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":276543000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":276543000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":276543000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":276543000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":253453000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":286213000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1105000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1858000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":3248000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-03-31","val":163000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":163000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":500000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":500000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":500000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":500000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-03-31","val":213000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":213000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1748000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":1748000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":7408000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":7408000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":7492000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":7492000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":162000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":162000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":162000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":162000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":577000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":577000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":602000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":602000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":602000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":974000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":974000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":974000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":974000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":974000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":2624000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":2624000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":15463000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":15463000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":15463000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":15463000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2799000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":2799000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":2799000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":2799000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-03-31","val":2799000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":3421000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":622000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":622000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3917000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":496000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":3866000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":3866000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-04-01","end":"2019-06-30","val":497000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":497000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":214000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":711000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PartnersCapitalAccountDistributions":{"label":"Partners' Capital Account, Distributions","description":"Total distributions to each class of partners (i.e., general, limited and preferred partners).","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":4975000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":4975000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":11729000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":11729000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":11729000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":11729000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":5715000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":5715000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":10193000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":10193000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":12386000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":25479000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":31390000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":44993000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":31390000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":23039000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":23039000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":47989000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":47989000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":82089000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":82089000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":41180000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":41180000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":93402000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":93402000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":149866000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":149866000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":72575000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":72575000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":150668000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":150668000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":237263000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":237263000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":97822000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":97822000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":97822000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":202060000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":202060000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":313515000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":313515000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":432188000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":432188000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":432188000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":432188000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":125890000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":125890000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":158735000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":158735000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-03-31","val":158735000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":258211000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":167866000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":167866000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":528410000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":201809000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":736145000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":736145000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":211292000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":211292000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":211292000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":211292000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":229524000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":229524000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":905878000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":232531000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PartnersCapitalAccountExchangesAndConversions":{"label":"Partners' Capital Account, Exchanges and Conversions","description":"Total change in each class of partners' capital accounts during the year due to exchanges and conversions. Partners include general, limited and preferred partners.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PartnersCapitalAccountSaleOfUnits":{"label":"Partners' Capital Account, Sale of Units","description":"Total change in each class of partners' capital accounts during the year due to the sale of units. All partners include general, limited and preferred partners.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":276780000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":276780000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":529442000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":529442000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":529442000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":902451000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":902451000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":902467000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":902467000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-03-31","val":698600000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":698600000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":698501000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":698501000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":760731000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":760731000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":1183921000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1183921000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":217102000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":217102000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":217102000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":217102000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"PartnersCapitalAccountUnitBasedCompensation":{"label":"Partners' Capital Account, Unit-based Payment Arrangement, Amount","description":"Amount of increase (decrease) in partners' capital account for unit-based payment arrangement issued by partnership. Partner includes, but is not limited to, general, limited and preferred partners.","units":{"USD":[{"start":"2012-01-01","end":"2012-09-30","val":403000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":403000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":535000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":535000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":535000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":535000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":535000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":353000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":353000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":353000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":562000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":562000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":772000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":772000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1060000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":1060000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1967000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":1967000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":2828000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":2828000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":3692000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":3692000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":3692000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3692000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":604000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":604000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":864000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":864000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":1213000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":1213000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":1570000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":1570000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":1570000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1570000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":195000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":195000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":195000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":195000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":195000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":195000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":225000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":225000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":225000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":225000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":225000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":225000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":225000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":225000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":225000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":242000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":242000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":331000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":331000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":499000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":499000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-03-31","val":499000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":331000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":140000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":140000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1275000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":636000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1275000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1275000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":255000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":255000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":255000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":255000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":255000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":285000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PartnersCapitalAccountUnits":{"label":"Partners' Capital Account, Units","description":"The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners.","units":{"shares":[{"end":"2012-12-31","val":35387180,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":35387180,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-12-31","val":35387180,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2012-12-31","val":35387180,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2012-12-31","val":35387180,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2012-12-31","val":35387180,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-12-31","val":35387180,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2012-12-31","val":35387180,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2012Q4I"},{"end":"2013-09-30","val":48784306,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":48784306,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":48784306,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":48784306,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2013-12-31","val":48784306,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2013Q4I"},{"end":"2014-03-31","val":48784306,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":61925684,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":61925684,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2014-12-31","val":61925684,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2014Q4I"},{"end":"2015-03-31","val":72150721,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":72150721,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":72978696,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2015-12-31","val":78963196,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":79075464,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":82024773,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":82024773,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":82024773,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2016Q4I"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2017-12-31","val":82024773,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017Q4I"},{"end":"2018-03-31","val":82034381,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":82034381,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":87923663,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":121899440,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":121900653,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":121900653,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":121900653,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":121900653,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":121900653,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2018-12-31","val":121900653,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":207457630,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":232062921,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":232062921,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":232062921,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":232062921,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":232062921,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"PartnersCapitalAccountUnitsAcquisitions":{"label":"Partners' Capital Account, Units, Acquisitions","description":"Change in the number of units for each class of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.","units":{"shares":[{"start":"2013-01-01","end":"2013-09-30","val":747126,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":747126,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":747126,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013"},{"start":"2018-01-01","end":"2018-06-30","val":5889282,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":5889282,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":5889282,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":5889282,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018"}]}},"PartnersCapitalAccountUnitsConverted":{"label":"Partners' Capital Account, Units, Converted","description":"The number of units converted into shares of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.","units":{"shares":[{"end":"2015-02-17","val":17339718,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2015-02-17","val":17339718,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2015-02-17","val":17339718,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2019-01-01","end":"2019-03-31","val":85556985,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":85556985,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":85556985,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":85556985,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":85556985,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019"}]}},"PartnersCapitalAccountUnitsSaleOfUnits":{"label":"Partners' Capital Account, Units, Sale of Units","description":"Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.","units":{"shares":[{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2018-01-01","end":"2018-12-31","val":10821,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-12-31","val":10821,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":24605291,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":24605291,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"}]}},"PartnersCapitalAccountUnitsSoldInPrivatePlacement":{"label":"Partners' Capital Account, Units, Sold in Private Placement","description":"The number of units sold in a private placement of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.","units":{"shares":[{"start":"2015-01-01","end":"2015-09-30","val":827975,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1162475,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":2949309,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":2949309,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"PartnersCapitalAccountUnitsSoldInPublicOffering":{"label":"Partners' Capital Account, Units, Sold in Public Offering","description":"The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.","units":{"shares":[{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-07-02","val":14375000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-07-02","val":35387180,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-07-02","val":35387180,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012Q2I"},{"start":"2013-07-21","end":"2013-07-22","val":12650000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-07-31","val":12650000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-07-01","end":"2013-07-31","val":12650000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013Q2I"},{"start":"2013-01-01","end":"2013-09-30","val":12650000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":12650000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":12650000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2013-01-01","end":"2013-12-31","val":12650000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-12-31","val":12650000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":12650000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":12650000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"end":"2014-05-07","val":12362500,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q1I"},{"start":"2014-05-01","end":"2014-05-31","val":12362500,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-05-01","end":"2014-05-31","val":12362500,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014Q2I"},{"start":"2014-01-01","end":"2014-06-30","val":12362500,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-09-30","val":12362500,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-12-31","val":12362500,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":12362500,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":12362500,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2014-01-01","end":"2014-12-31","val":12362500,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-12-31","val":12362500,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":9512755,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-03-01","end":"2015-03-31","val":9512755,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-06-30","val":9512755,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":9512755,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-11-01","end":"2015-11-30","val":5650000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q4I"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-12-31","val":2949309,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016"}]}},"PartnersCapitalAccountUnitsUnitbasedCompensation":{"label":"Partners' Capital Account, Unit-based Payment Arrangement, Number of Units","description":"Number of units issued for unit-based payment arrangement issued by partnership. Partner includes, but is not limited to, general, limited and preferred partners.","units":{"shares":[{"start":"2015-01-01","end":"2015-03-31","val":21493,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":21493,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":21493,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":21493,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":21493,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":21493,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":21493,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":19796,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":19796,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":19796,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":19796,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9608,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":9608,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":9608,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":9608,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":10821,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":10821,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-12-31","val":10821,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":24605291,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019"}]}},"PartnersCapitalAttributableToNoncontrollingInterest":{"label":"Partners' Capital Attributable to Noncontrolling Interest","description":"Total of all Partners' Capital (deficit) items which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).","units":{"USD":[{"end":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":173472000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":173472000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":173472000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":173472000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":175215000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-06-30","val":490095000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":452796000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":457169000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":457169000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":460776000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest":{"label":"Partners' Capital, Including Portion Attributable to Noncontrolling Interest","description":"Amount of partners' capital (deficit), including portions attributable to both the parent and noncontrolling interests. Excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2014-12-31","val":1211326000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1843257000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1993554000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2040127000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1I"},{"end":"2017-12-31","val":3714045000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3800876000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"}]}},"PaymentsForCommissions":{"label":"Payments for Commissions","description":"The amount of cash paid for commissions during the current period.","units":{"USD":[{"start":"2015-07-01","end":"2015-09-30","val":700000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":900000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-07-01","end":"2015-09-30","val":900000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-07-01","end":"2015-09-30","val":900000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-07-01","end":"2015-09-30","val":900000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"}]}},"PaymentsOfCapitalDistribution":{"label":"Payments of Capital Distribution","description":"Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":4975000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":4975000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":11729000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":11729000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":11729000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":5715000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":10193000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":10193000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":29031000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":31390000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":31390000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":31390000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":31390000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":31390000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":31390000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":150668000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":237263000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":97822000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":202060000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":202060000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":313515000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":313515000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":432188000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":432188000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":442229000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":442229000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":125890000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":158735000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":258211000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":326601000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":528410000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":528410000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":736145000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":736145000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":211292000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":211292000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":440816000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":673347000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":905878000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":232531000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PaymentsOfDebtExtinguishmentCosts":{"label":"Payment for Debt Extinguishment or Debt Prepayment Cost","description":"Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":28325000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":28325000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":28325000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","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":"2012-07-01","end":"2012-07-02","val":2000000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-07-02","val":2000000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-07-02","val":2000000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-07-02","val":2000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-09-30","val":1864000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":1864000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":1864000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":1864000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":1864000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":1864000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":1864000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2020000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":2020000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2020000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":2020000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":9634000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":9634000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":9707000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":9707000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":9707000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":9707000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":8580000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":8580000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":8580000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":8580000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":2257000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":2257000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":2257000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":2257000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":2257000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2257000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":30295000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":30295000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":34249000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":34249000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":40966000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":40966000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":2563000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":2870000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PaymentsOfDistributionsToAffiliates":{"label":"Payments of Distributions to Affiliates","description":"The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":11729000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":11729000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-06-30","val":5715000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-09-30","val":10193000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"}]}},"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":12386000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":12386000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":12386000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":25479000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":44993000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":119628000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":212262000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":329471000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"}]}},"PaymentsOfDividendsCommonStock":{"label":"Payments of Ordinary Dividends, Common Stock","description":"Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":12386000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":-12386000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":-12386000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":-12386000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":-12386000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":-25479000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":44993000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":66176000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"}]}},"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":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-09-30","val":22979000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":48480000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":25501000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PaymentsOfMergerRelatedCostsFinancingActivities":{"label":"Payments of Merger Related Costs, Financing Activities","description":"The cash outflow for financing costs associated with business combinations.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":507500000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":110000000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":110000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":110000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":110000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":110000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"}]}},"PaymentsOfStockIssuanceCosts":{"label":"Payments of Stock Issuance Costs","description":"The cash outflow for cost incurred directly with the issuance of an equity security.","units":{"USD":[{"start":"2015-07-01","end":"2015-09-30","val":500000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3"}]}},"PaymentsToAcquireBusinessesAndInterestInAffiliates":{"label":"Payments to Acquire Businesses and Interest in Affiliates","description":"The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":74658000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":84381000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":84381000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":84381000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":98399000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":98399000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":98399000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":159550000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":159550000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":1193160000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":1193160000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":1193160000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":1193160000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":1193160000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"}]}},"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":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":507500000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":507500000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":507500000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":507500000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":507500000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":110000000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":110000000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":110000000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":110000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":110000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":54229000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":45885000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":76037000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"}]}},"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":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":168198000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":168198000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":168198000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":168198000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":168198000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":168198000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":168198000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":168198000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":386791000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":386791000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":386791000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":386791000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":386791000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":386791000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":386791000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":386791000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":386791000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":386791000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-12-31","val":62372000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":62372000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":62372000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":62372000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":848625000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":837231000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"}]}},"PaymentsToAcquireEquityMethodInvestments":{"label":"Payments to Acquire Equity Method Investments","description":"The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":159550000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":913195000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":774593000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PaymentsToAcquireInterestInJointVenture":{"label":"Payments to Acquire Interest in Joint Venture","description":"The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.","units":{"USD":[{"start":"2015-01-01","end":"2015-03-31","val":54229000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":54229000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":84381000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-03-31","val":11430000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":11430000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":40663000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":40663000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":76297000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":76297000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":98399000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":19760000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":19760000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":19760000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":59940000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":59940000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":103448000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":103448000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":159550000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":117019000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":117019000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":117019000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":182805000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":182805000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":446049000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":446049000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":913195000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":11302000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":144763000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":144763000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":301175000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":512852000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":45150000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PaymentsToAcquireInterestInSubsidiariesAndAffiliates":{"label":"Payments to Acquire Interest in Subsidiaries and Affiliates","description":"The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":124317000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":124317000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":124317000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":124317000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":124317000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":124317000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":124317000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":124317000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017"}]}},"PaymentsToAcquireProductiveAssets":{"label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":135831000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":168300000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":41268000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":193522000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":223261000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":286000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":12073000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":41557000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":19208000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":56424000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":75120000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":29540000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":33563000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":83020000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":108243000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":275532000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":19470000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":48450000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":80112000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":129936000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":49938000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":81486000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":148620000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":68508000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":245148000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":353302000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":57731000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":184780000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":127049000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2"},{"start":"2016-01-01","end":"2016-03-31","val":133158000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2017-01-01","end":"2017-03-31","val":70227000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1"}]}},"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":"2010-01-01","end":"2010-12-31","val":36404000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":36404000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":32226000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":73434000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":135831000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":135831000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":135831000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":51240000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":51240000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":125411000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":125411000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":147379000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":168300000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":167062000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":167062000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":193522000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":214880000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":273225000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":10485000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":10485000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":12073000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":23868000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":41557000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":56424000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":76173000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":83020000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":121431000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":283011000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":283011000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":19388000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":52008000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":79950000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":131669000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":143934000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":230449000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":203915000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":318105000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":318105000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":356239000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":91415000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":91415000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":208890000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":208890000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":304567000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":304567000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":408955000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":458056000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":458056000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":458056000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":104777000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":124625000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":275828000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":308769000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":430366000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":477605000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":584819000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":584819000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":584819000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":584819000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":62947000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":62947000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":62947000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":149413000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":149413000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":224591000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":224591000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":301584000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":356678000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":380151000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":380151000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":84014000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":137877000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":170589000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":302876000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":382946000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":616365000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":616365000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":837003000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":837003000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":206735000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":206735000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":527803000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":824930000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1022470000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":151932000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PaymentsToFundLongtermLoansToRelatedParties":{"label":"Payments to Fund Long-term Loans to Related Parties","description":"The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2020-01-01","end":"2020-03-31","val":650000000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PaymentsToMinorityShareholders":{"label":"Payments to Noncontrolling Interests","description":"Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":750000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":175000000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":175000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":175000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":175000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":175000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":175000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PreferredUnitsIssued":{"label":"Preferred Units, Issued","description":"The number of preferred units issued.","units":{"shares":[{"end":"2018-12-31","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-06-30","val":24605291,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":24605291,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":24605291000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":24605291,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":24605291,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"PreferredUnitsOutstanding":{"label":"Preferred Units, Outstanding","description":"The number of preferred units outstanding.","units":{"shares":[{"end":"2018-12-31","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-06-30","val":24605291,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":24605291,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":24605291000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":24605291,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":24605291,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"PreferredUnitsPreferredPartnersCapitalAccounts":{"label":"Preferred Units, Preferred Partners' Capital Accounts","description":"The amount of the preferred partners' ownership interests.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-06-30","val":1181292000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1183814000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1183814000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":1183814000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1183814000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":1661000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":1661000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":1661000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":1661000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":1936000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":778000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":645000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":645000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":645000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":645000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":645000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":645000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":804000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":804000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1176000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":593000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":537000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":537000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":1033000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":1033000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":1033000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":1526000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1879000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":909000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":841000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":870000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1710000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1710000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1710000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1710000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1710000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":12353000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":826000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4271000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1680000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1680000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1680000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1680000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":2203000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2963000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2341000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2521000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9671000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":9671000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":9671000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":9671000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":9671000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":9671000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5685000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6601000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8222000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":12662000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":12662000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":12754000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":12754000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":14153000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":14153000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":17217000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":17325000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":14085000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":9080000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":14909000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":14909000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":14909000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":14909000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":14909000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":13286000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":21971000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":21035000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":25004000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":25004000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":39279000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"ProceedsFromCollectionOfNotesReceivable":{"label":"Proceeds from Collection of Notes Receivable","description":"The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":1024000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":1024000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":1024000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1020000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":1020000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":1020000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2054000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":2054000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":3103000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":3103000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":4166000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":4166000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":4166000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4166000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1079000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":1079000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":1079000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2172000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":2172000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":3281000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":3281000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":4406000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":4406000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1141000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":1141000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2298000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":3471000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":4661000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1225000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"ProceedsFromContributionsFromParent":{"label":"Proceeds from Contributions from Parent","description":"The cash inflow from parent as a source of financing that is recorded as additional paid in capital.","units":{"USD":[{"start":"2016-01-01","end":"2016-06-30","val":10346000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":22672000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-06-30","val":3660000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":3660000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":3660000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":3660000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"}]}},"ProceedsFromDivestitureOfInterestInJointVenture":{"label":"Proceeds from Divestiture of Interest in Joint Venture","description":"The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":8344000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":8344000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":9723000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":9723000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":9723000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":12533000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":12533000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":12533000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":12533000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":12533000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":12533000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":12533000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":12533000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":12533000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":12533000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-11302000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"ProceedsFromIssuanceOfCommonLimitedPartnersUnits":{"label":"Proceeds from Issuance of Common Limited Partners Units","description":"The cash inflow from the issuance of common limited partners units during the period.","units":{"USD":[{"start":"2012-07-01","end":"2012-07-02","val":277000000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-07-02","val":277000000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-01","end":"2012-07-02","val":277000000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-07-01","end":"2012-07-02","val":277000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2012-07-02","val":277000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2012-07-02","val":277000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012Q2I"},{"start":"2012-01-01","end":"2012-09-30","val":276780000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":276780000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":276780000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-07-21","end":"2013-07-22","val":529000000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-07-31","val":529000000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-09-30","val":529442000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":529442000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":529442000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":529442000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":529442000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":529442000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":902451000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":902451000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":902467000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":902467000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":902467000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":902467000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":902467000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":902467000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":698600000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":698600000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":698501000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":698501000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":760731000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":760731000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":62200000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1183921000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":1183921000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":1183921000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1183921000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":217102000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":217102000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":217102000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":217102000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":1863000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":1863000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":1863000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":1863000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":1863000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2382000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":2382000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":3487000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-07-01","end":"2013-07-31","val":529442000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013Q2I"},{"start":"2013-01-01","end":"2013-09-30","val":4241000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":5631000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":5631000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":5631000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-05-01","end":"2014-05-31","val":902467000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-05-01","end":"2014-05-31","val":902467000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014Q2I"},{"start":"2014-01-01","end":"2014-12-31","val":382000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":382000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-03-01","end":"2015-03-31","val":696582000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-03-01","end":"2015-03-31","val":696582000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-03-01","end":"2015-03-31","val":696582000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-03-01","end":"2015-03-31","val":696582000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q1I"},{"start":"2015-07-01","end":"2015-09-30","val":85483000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q3"},{"start":"2015-11-01","end":"2015-11-30","val":399937000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-11-01","end":"2015-11-30","val":399937000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-11-01","end":"2015-11-30","val":399937000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-11-01","end":"2015-11-30","val":399937000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q4I"},{"start":"2015-01-01","end":"2015-12-31","val":85483000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":85483000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":85483000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":217102000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016"}]}},"ProceedsFromIssuanceOfLongTermDebt":{"label":"Proceeds from Issuance of Long-term Debt","description":"The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":500000000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":500000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":500000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":500000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":500000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":500000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":500000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":500000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":500000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":500000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":2500000000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":2500000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":2500000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":2500000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":2500000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":2500000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":1400000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1400000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"ProceedsFromLinesOfCredit":{"label":"Proceeds from Lines of Credit","description":"Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":390000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":434000000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":561500000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":617000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":617000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":617000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":617000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":71000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":71000000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":260000000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":260000000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":430000000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":430000000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":740000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":740000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":740000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":740000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":50000000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":50000000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":50000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":150000000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":150000000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":334000000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":334000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":524000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":524000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":544000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":544000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":254000000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":254000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":304000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2000500000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":2390500000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":2524000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":2524000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":3427500000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":3427500000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":602000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":602000000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1047000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":1887000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":2402000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1170000000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"ProceedsFromMinorityShareholders":{"label":"Proceeds from Noncontrolling Interests","description":"Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":6738000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017"}]}},"ProceedsFromPartnershipContribution":{"label":"Proceeds from Partnership Contribution","description":"The cash inflow from the capital received in cash from a partner in a partnership during the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":8601000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":8601000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":12610000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":12610000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":27250000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":27250000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":27250000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":249501000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":249501000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":276543000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":276543000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":276543000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":276543000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":276543000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":253453000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":284750000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2382000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":3487000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":4241000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":-60814000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":61026000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":5631000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-118000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":-118000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":45000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":45000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":382000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":382000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":13905000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":85073000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":382000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":382000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":33000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":33000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":246000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":246000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":1781000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":1781000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":1781000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":1781000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":1781000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1781000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":5884000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":5884000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":5884000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":5884000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":5884000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":5884000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5884000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":5884000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":216000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":216000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":216000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":216000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":216000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":216000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":216000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":3052000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":3052000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":9790000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":9790000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":12873000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":12873000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":12873000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":15672000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":15672000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":15672000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":15672000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":16790000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":16790000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":711000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"ProceedsFromRepaymentsOfDebt":{"label":"Proceeds from (Repayments of) Debt","description":"The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":110000000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":110000000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":450000000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":450000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":450000000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":450000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":390000000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":434000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":561500000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"}]}},"ProceedsFromSaleOfInterestInPartnershipUnit":{"label":"Proceeds from Sale of Interest in Partnership Unit","description":"The proceeds from the sale of an interest in a unit of partnership.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":1158313000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":1158313000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1158313000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"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":"2015-01-01","end":"2015-12-31","val":455126000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":136735000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q1"},{"start":"2016-04-01","end":"2016-06-30","val":131859000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q2"},{"start":"2016-07-01","end":"2016-09-30","val":133660000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":537954000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":537954000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":135700000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-03-31","val":143196000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":282335000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":139139000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":425273000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":142938000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":585226000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":610360000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":610360000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":159953000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-10-01","end":"2017-12-31","val":185087000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":209326000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":262843000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":262843000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":262843000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-03-31","val":262843000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-03-31","val":262843000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":382798000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":497528000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":173472000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":234685000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":234685000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":234685000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-04-01","end":"2018-06-30","val":234685000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":707455000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":707455000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":209927000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":671348000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":671348000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-36107000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":-36107000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":251931000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":408402000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":156471000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":156471000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":156471000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":368187000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-40215000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-40215000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":162082000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-206105000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":255285000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":608231000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":608231000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":608231000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":608231000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":734027000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":779173000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":795498000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":795498000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":795498000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":795498000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":800844000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":800844000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":806379000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":806379000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":828598000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":857107000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1007299000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":1007299000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":1163683000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":1163683000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":1163683000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":1453843000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1028007000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1255924000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1333855000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1423490000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1821803000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1821803000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1821803000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1821803000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1821803000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1876267000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2007248000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2110367000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2228967000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":2228967000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":2228967000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":2228967000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":2362316000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2362196000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2564585000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2732689000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2894858000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":2894858000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":2894858000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":2894858000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":2894858000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":2894858000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2966817000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3049658000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3120662000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3200108000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":3200108000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":4077282000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":4077282000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":5516504000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":5516504000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3280997000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":4202406000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4363068000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6127076000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6367530000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":6367530000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":6367530000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":6367530000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":6367530000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6639047000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8158272000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":8431130000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8572499000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":8572499000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":8561359000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"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":"2011-12-31","val":470892000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":470892000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":470892000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":470892000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":597018000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":637201000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":647286000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":647286000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":647286000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":647286000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":657131000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":657131000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":651466000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":651466000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":667005000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":700318000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":848888000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":848888000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":994943000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":994943000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"end":"2013-12-31","val":994943000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2013-12-31","val":1277428000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-03-31","val":863235000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1071586000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1141559000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1222961000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"end":"2014-12-31","val":1605317000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"end":"2014-12-31","val":1605317000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":1605317000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":1605317000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"end":"2014-12-31","val":1605317000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1649353000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1772173000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1863825000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1969993000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-12-31","val":1969993000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"end":"2015-12-31","val":1969993000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"end":"2015-12-31","val":1969993000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"end":"2015-12-31","val":2097714000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2088063000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2276474000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2429448000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2578834000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":2578834000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":2578834000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":2578834000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":2578834000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":2578834000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2632465000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2696154000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2745509000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2804059000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":2804059000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":3679037000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":3679037000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":5110839000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":5110839000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2864040000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":3779047000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3922144000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5608358000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5806628000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":5806628000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":5806628000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":5806628000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":5806628000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5995385000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7375142000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7608417000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7715122000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":7715122000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7740231000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"ProvisionForLoanLeaseAndOtherLosses":{"label":"Provision for Loan, Lease, and Other Losses","description":"Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.","units":{"USD":[{"start":"2020-01-01","end":"2020-03-31","val":187000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity":{"label":"Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity","description":"The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":100000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":100000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":3800000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":3800000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":3800000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":6200000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":6200000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":6700000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":6700000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":6700000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":1200000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2200000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":2200000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"}]}},"PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest":{"label":"Allowance for Funds Used During Construction, Capitalized Interest","description":"Amount capitalized of allowance for funds used during construction.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":100000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":100000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":800000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":800000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":800000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1700000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":1700000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":1900000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":1900000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":1900000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":400000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":400000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":400000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":700000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":700000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"}]}},"PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation":{"label":"Public Utilities, Property, Plant and Equipment, Accumulated Depreciation","description":"Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility.","units":{"USD":[{"end":"2016-12-31","val":234336000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":234336000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":278756000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":278756000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":278756000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":317988000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":317988000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":436275000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService":{"label":"Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service","description":"Composite depreciation rate for public utility plants in service.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":0.021,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":0.021,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0.019,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":0.019,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":0.019,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0.026,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":0.026,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":0.02,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":0.021,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0.021,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0.021,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":0.023,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0.021,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":0.021,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.026,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":0.025,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":0.025,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":0.025,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.023,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":0.021,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":0.021,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0.021,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":0.022,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.027,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":0.022,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":0.018,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0.018,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.027,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":0.027,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.026,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"PublicUtilitiesPropertyPlantAndEquipmentNet":{"label":"Public Utilities, Property, Plant and Equipment, Net","description":"Period end amount of total net PPE.","units":{"USD":[{"end":"2016-12-31","val":1441097000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1441097000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1508900000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1508900000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1508900000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1582423000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1582423000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1519244000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"PublicUtilitiesPropertyPlantAndEquipmentPlantInService":{"label":"Public Utilities, Property, Plant and Equipment, Plant in Service","description":"Period end amount of total gross PPE.","units":{"USD":[{"end":"2016-12-31","val":1675433000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":1675433000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1787656000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":1787656000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":1787656000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1900411000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1900411000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1955519000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"PurchaseObligation":{"label":"Purchase Obligation","description":"Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.","units":{"USD":[{"end":"2019-12-31","val":24100000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"RegulatoryAssetsNoncurrent":{"label":"Regulatory Assets, Noncurrent","description":"Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.","units":{"USD":[{"end":"2011-12-31","val":18247000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"end":"2011-12-31","val":18247000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"end":"2011-12-31","val":18247000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":18247000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2012-06-30","val":18461000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2012Q2I"},{"end":"2012-09-30","val":18569000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3I"},{"end":"2012-12-31","val":17877000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":17877000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2012-12-31","val":17877000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"end":"2012-12-31","val":17877000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"end":"2012-12-31","val":18223000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"end":"2012-12-31","val":18223000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":17023000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"end":"2013-03-31","val":17023000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1I"},{"end":"2013-06-30","val":16469000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2I"},{"end":"2013-09-30","val":19095000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2013Q3I"},{"end":"2013-12-31","val":16246000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"end":"2013-12-31","val":16246000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"end":"2013-12-31","val":16246000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"end":"2013-12-31","val":17550000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q4I"},{"end":"2014-03-31","val":16323000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":15101000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-09-30","val":17284000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2014Q3I"},{"end":"2014-12-31","val":18057000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q4I"},{"end":"2015-03-31","val":17828000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"}]}},"RelatedPartyCosts":{"label":"Related Party Costs","description":"Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":7761000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-1404000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"RepaymentOfNotesReceivableFromRelatedParties":{"label":"Repayment of Notes Receivable from Related Parties","description":"The cash inflow from a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1024000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"}]}},"RepaymentsOfDebtAndCapitalLeaseObligations":{"label":"Repayments of Debt and Lease Obligation","description":"Amount of cash outflow for short-term and long-term debt and lease obligation.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":16710000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":25366000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015"}]}},"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":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":91000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":122000000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":211500000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":318000000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":318000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":318000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":318000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":361000000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":361000000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":559000000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":559000000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":638000000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":638000000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":1039000000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":1039000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":1039000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":1039000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":50000000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":50000000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":50000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":110000000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":110000000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":229000000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":229000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":344000000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":344000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":344000000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":344000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":117000000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":117000000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":128000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2180500000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":2596500000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":2968000000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":2968000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":3268500000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":3268500000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":145000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":145000000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":572000000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":2227000000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":2397000000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":350000000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":"2012-01-01","end":"2012-09-30","val":838000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":4300000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":10300000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":10300000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"RepaymentsOfLongTermDebt":{"label":"Repayments of Long-term Debt","description":"The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"start":"2012-01-01","end":"2012-06-30","val":135235000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":135235000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":135235000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":135235000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":135235000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":135235000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":135235000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":135235000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":135235000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"}]}},"RepaymentsOfShortTermDebt":{"label":"Repayments of Short-term Debt","description":"The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":120000000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":120000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":450000000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":450000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":450000000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":91000000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":122000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-09-30","val":211500000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"}]}},"RestrictedCashNoncurrent":{"label":"Restricted Cash, Noncurrent","description":"Amount of cash restricted as to withdrawal or usage, classified as noncurrent. 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":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":50000000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"}]}},"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":"2016-01-01","end":"2016-12-31","val":732272000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":203426000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":198966000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":603180000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":206293000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":207193000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":895558000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":895558000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":285973000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":232842000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":286562000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":371026000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":371026000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2018-01-01","end":"2018-03-31","val":371026000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":556323000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":745723000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":269761000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":374697000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":374697000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":374697000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1110307000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":1110307000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":364584000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":364584000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":364584000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":364584000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1495098000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1495098000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":384791000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":384791000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":389782000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":389782000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"start":"2019-01-01","end":"2019-03-31","val":389782000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":795949000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":406167000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":406167000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1204383000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":408434000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":408434000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1630242000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":425859000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":453113000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"RevenueFromRelatedParties":{"label":"Revenue from Related Parties","description":"Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":169275000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":205563000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":260258000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":310245000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":245101000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":328527000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"}]}},"RevenueRemainingPerformanceObligation":{"label":"Revenue, Remaining Performance Obligation, Amount","description":"Amount of transaction price allocated to performance obligation that has not been recognized as revenue.","units":{"USD":[{"end":"2018-03-31","val":627360000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":627360000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":403592000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":207095000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2020-03-31","val":14860877000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"SaleOfStockPricePerShare":{"label":"Sale of Stock, Price Per Share","description":"Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.","units":{"USD/shares":[{"end":"2019-12-31","val":48.77,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"}]}},"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":"2010-01-01","end":"2010-12-31","val":18477000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":18477000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":8214000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":4412000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":13368000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":5154000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":17302000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":17302000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":17302000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":4549000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":4549000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":8883000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-06-30","val":8883000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-04-01","end":"2012-06-30","val":4334000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":4334000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":14094000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":14120000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":5211000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":5224000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":16575000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":16575000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":16614000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":21202000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":24978000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4248000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":4248000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":4263000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":10352000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":14111000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":6104000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":8030000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":15662000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":21299000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":5279000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":7188000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":21497000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":29101000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":35574000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":35574000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":7359000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":12555000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":21030000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":25420000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":10556000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":12865000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":30931000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":38094000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":9901000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":12674000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":37190000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":48505000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":48505000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":51149000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":15653000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":15653000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":29380000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":29380000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":13727000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":13727000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":43585000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":43585000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":14205000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":14205000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":56425000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":61902000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":61902000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":61606000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16292000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":17523000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":33083000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":35652000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":16791000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":18129000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":49195000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":53377000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":16112000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":17725000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":72761000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":72761000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":72470000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":72470000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":17480000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":17400000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":17400000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":33373000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":33212000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":15893000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":15812000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":52212000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":51970000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":18839000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":18758000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":71186000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":73709000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":77321000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":77321000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":13145000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":18998000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":26390000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":43436000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":54102000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":24438000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":27712000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":88490000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":80738000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":29038000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":26860000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2017-11-13","end":"2018-12-31","val":16300000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":129851000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":121831000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":32920000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":32920000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":59326000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":26406000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":83171000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":23845000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":110620000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":27897000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":985732000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":985732000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"},{"end":"2017-12-31","val":987352000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2017-12-31","val":987352000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2017-12-31","val":987352000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2017-12-31","val":987352000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"end":"2017-12-31","val":987352000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"end":"2017-12-31","val":987352000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":987756000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"end":"2018-03-31","val":987756000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3453975000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3455296000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3456639000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":3456639000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"end":"2018-12-31","val":3456639000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"end":"2018-12-31","val":3456639000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":3456639000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3457981000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3459323000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4858208000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4859499000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":4859499000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4860096000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":1292000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2010-01-01","end":"2010-12-31","val":1292000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":1768000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":2249000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":2249000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2011-01-01","end":"2011-12-31","val":2249000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":641000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":641000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1746000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-09-30","val":2150000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":2150000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-01-01","end":"2012-12-31","val":2282000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":2282000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":2282000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":2282000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":2282000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":353000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":353000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":353000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":562000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":562000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-01-01","end":"2013-09-30","val":772000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":772000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":981000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":978000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":978000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1805000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":1805000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-01-01","end":"2014-09-30","val":2584000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":2584000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-01-01","end":"2014-12-31","val":3368000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":3368000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":3368000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":3368000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":566000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":566000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":805000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":805000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":1133000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":1133000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":1467000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":1467000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":1467000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1467000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":195000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":195000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":195000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":195000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":195000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":195000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":195000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":225000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":225000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":225000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":225000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":225000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-01-01","end":"2017-09-30","val":225000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":225000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-01-01","end":"2017-12-31","val":225000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":225000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":242000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":242000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":331000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":331000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":499000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":331000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":639000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-01-01","end":"2018-09-30","val":1275000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":1275000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":1275000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1275000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":255000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":255000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":255000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-01-01","end":"2019-09-30","val":255000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":255000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":285000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"SharesIssuedPricePerShare":{"label":"Shares Issued, Price Per Share","description":"Per share or per unit amount of equity securities issued.","units":{"USD/shares":[{"end":"2013-07-31","val":43.5,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013Q2I"},{"end":"2014-05-31","val":75.75,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2014-05-31","val":75.75,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014Q2I"},{"end":"2015-03-31","val":76,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-03-31","val":76,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-03-31","val":76,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-03-31","val":76,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q1I"},{"end":"2015-09-30","val":74.92,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2015Q3I"},{"end":"2015-11-30","val":71.8,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-11-30","val":71.8,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-11-30","val":71.8,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-11-30","val":71.8,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"end":"2015-12-31","val":74.92,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-12-31","val":74.92,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-12-31","val":74.92,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q4I"},{"end":"2016-12-31","val":74.42,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2016-12-31","val":74.42,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2016-12-31","val":74.42,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2016Q4I"}]}},"ShortTermBorrowings":{"label":"Short-term Debt","description":"Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2014-03-31","val":110000000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1I"},{"end":"2014-06-30","val":330000000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2014Q2I"},{"end":"2014-12-31","val":0,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"end":"2014-12-31","val":0,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"end":"2014-12-31","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q4I"},{"end":"2015-03-31","val":299000000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2015Q1I"},{"end":"2015-06-30","val":312000000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2015Q2I"},{"end":"2015-09-30","val":350000000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2015Q3I"}]}},"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":368000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1880000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":1512000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3353000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1473000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4560000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"SignificantSupplyCommitmentRemainingMinimumAmountCommitted":{"label":"Supply Commitment, Remaining Minimum Amount Committed","description":"The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.","units":{"USD":[{"end":"2018-12-31","val":800000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"StockIssuedDuringPeriodValueConversionOfUnits":{"label":"Stock Issued During Period, Value, Conversion of Units","description":"Value of stock issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).","units":{"USD":[{"end":"2015-02-17","val":17339718,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"end":"2015-02-17","val":17339718,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"end":"2015-02-17","val":17339718,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"end":"2015-02-17","val":17339718,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"}]}},"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":1158313000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":1158313000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":1158313000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest":{"label":"Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest","description":"The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.","units":{"pure":[{"start":"2012-01-01","end":"2012-12-31","val":1,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-09-30","val":1,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-12-31","val":1,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-09-30","val":1,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-12-31","val":1,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2014"}]}},"TransferToInvestments":{"label":"Transfer to Investments","description":"Value of investments transferred to the entity's investments in noncash transactions.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":13864000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":27052000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-09-30","val":13095000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-12-31","val":11471000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2016"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2010-12-31","val":2400000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010Q4I"},{"end":"2010-12-31","val":2400000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":2200000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":2200000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2012-12-31","val":1920000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q4I"}]}},"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":"2010-01-01","end":"2010-12-31","val":490000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":490000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":215000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":215000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":1903000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":1903000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"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":581000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":581000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-12-31","val":15000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":15000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"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":"2011-01-01","end":"2011-12-31","val":59000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":59000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued":{"label":"Unrecognized Tax Benefits, Interest on Income Taxes Accrued","description":"Amount of interest expense accrued for an underpayment of income taxes.","units":{"USD":[{"end":"2010-12-31","val":300000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010Q4I"},{"end":"2010-12-31","val":300000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":300000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":300000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"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":100000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010Q4I"},{"end":"2010-12-31","val":100000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"end":"2011-12-31","val":200000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":200000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"}]}},"UtilitiesOperatingExpenseMaintenanceAndOperations":{"label":"Utilities Operating Expense, Maintenance and Operations","description":"Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":24300000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":24300000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2011-01-01","end":"2011-06-30","val":14063000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-04-01","end":"2011-06-30","val":9176000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":19487000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":5424000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":26221000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":26221000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-03-31","val":7024000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":7024000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":13186000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2012-01-01","end":"2012-06-30","val":13186000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-04-01","end":"2012-06-30","val":6162000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":6162000,"accn":"0001104659-12-051450","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2012-01-01","end":"2012-09-30","val":21295000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":8109000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":29405000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":29405000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2013-01-01","end":"2013-03-31","val":6632000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":6632000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-06-30","val":13361000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":6729000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25","frame":"CY2013Q2"}]}},"UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses":{"label":"Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses","description":"The amount of operating expenses for the period that are associated with the utility's normal revenue producing operation; including selling, general, and administrative expenses, costs incurred for routine plant repairs and maintenance, and operations.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":26221000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2011"},{"start":"2012-01-01","end":"2012-09-30","val":21295000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":8109000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":29405000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":34250000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":38709000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":6632000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":16280000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":8367000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":21093000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":26020000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":7732000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":9740000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":28954000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":35578000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":42727000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":42727000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":8124000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":12739000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":21557000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":26365000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":10947000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":13626000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":33267000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":40202000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":11710000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":13837000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":45434000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":55276000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":55276000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":56413000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":14479000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":14479000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":31711000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":31711000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":17232000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":17232000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":50167000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":50167000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":18456000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":18456000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":68261000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":70103000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":70103000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":69478000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16645000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":17136000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":32452000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":33489000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":15807000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":16353000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":50121000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":51687000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":17669000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":18198000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":73213000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":73213000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":69255000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":69255000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":20286000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":16817000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":16817000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":40867000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":35132000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":20581000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":18315000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":61471000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-01-01","end":"2017-09-30","val":54721000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":20604000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":19589000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":84717000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":77649000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":84831000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":84831000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":18176000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":19460000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2018-01-01","end":"2018-03-31","val":27172000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":44047000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":70442000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":24587000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":43270000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":118534000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-01-01","end":"2018-09-30","val":118775000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":48092000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":48109000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":163192000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":163451000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":27883000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":27883000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":74439000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":46556000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":117460000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":43021000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":165367000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":38422000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"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":8000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":12000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":4000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":112000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":100000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":166000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"}]}},"WeightedAverageLimitedPartnershipUnitsOutstanding":{"label":"Weighted Average Limited Partnership Units Outstanding, Basic","description":"Weighted average number of limited partnership units outstanding determined by relating the portion of time within a reporting period that limited partnership units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2012-01-01","end":"2012-09-30","val":34679000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":34679000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":34679000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":34679000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-07-03","end":"2012-09-30","val":34679000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":34679000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":34679000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":34679000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":34679000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":34679000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-07-03","end":"2012-12-31","val":34679000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-03","end":"2012-12-31","val":34679000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":34679000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":34679000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":34679000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":34679000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":34679000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":34679000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":34679000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":38618000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":38618000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":44526000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":44526000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":40739000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":40739000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":40739000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":40739000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":47819000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":47819000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":51499000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":51499000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":54259000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":54259000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":54259000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":54259000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":60699000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":60699000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":55745000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":55745000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":55745000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":55745000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":63211000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":63211000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":66430000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":66430000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":70722000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":70722000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":67800000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":67800000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":70929000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":70929000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":69612000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":69612000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":69612000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":69612000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":77593000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":77593000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":78312000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":78312000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":78865000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":78865000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":78998000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":78998000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":80599000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":80599000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":79367000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":79367000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":79367000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":79367000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":80602000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":80602000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":80602000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":80602000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":80603000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":80603000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":80603000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":80607000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":80607000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":99303000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"WeightedAverageLimitedPartnershipUnitsOutstandingDiluted":{"label":"Weighted Average Limited Partnership Units Outstanding, Diluted","description":"Weighted average number of limited partnership units outstanding determined by relating the portion of time within a reporting period that limited partnership units have been outstanding to the total time in that period. Used in the calculation of diluted net income or loss per limited partnership unit.","units":{"shares":[{"start":"2012-01-01","end":"2012-09-30","val":34684000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-09-30","val":34684000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2012-07-01","end":"2012-09-30","val":34684000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-07-01","end":"2012-09-30","val":34684000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24","frame":"CY2012Q3"},{"start":"2012-07-03","end":"2012-09-30","val":34684000,"accn":"0001104659-12-071184","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-25"},{"start":"2012-01-01","end":"2012-12-31","val":34734000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-01-01","end":"2012-12-31","val":34734000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2012-01-01","end":"2012-12-31","val":34734000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2012-01-01","end":"2012-12-31","val":34734000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2012-01-01","end":"2012-12-31","val":34734000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-07-03","end":"2012-12-31","val":34734000,"accn":"0001104659-13-012700","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-21"},{"start":"2012-07-03","end":"2012-12-31","val":34734000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":34768000,"accn":"0001104659-13-032987","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-25"},{"start":"2013-01-01","end":"2013-03-31","val":34768000,"accn":"0001104659-13-052428","fy":2013,"fp":"Q1","form":"8-K","filed":"2013-07-01"},{"start":"2013-01-01","end":"2013-03-31","val":34768000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":34790000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-01-01","end":"2013-06-30","val":34790000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2013-04-01","end":"2013-06-30","val":34785000,"accn":"0001104659-13-056664","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-25"},{"start":"2013-04-01","end":"2013-06-30","val":34785000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":38731000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-01-01","end":"2013-09-30","val":38731000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2013-07-01","end":"2013-09-30","val":44639000,"accn":"0001104659-13-077630","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-24"},{"start":"2013-07-01","end":"2013-09-30","val":44639000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":40847000,"accn":"0001104659-14-011812","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20"},{"start":"2013-01-01","end":"2013-12-31","val":40847000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2013-01-01","end":"2013-12-31","val":40847000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2013-01-01","end":"2013-12-31","val":40847000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":47938000,"accn":"0001104659-14-029894","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-24"},{"start":"2014-01-01","end":"2014-03-31","val":47938000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":51622000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-01-01","end":"2014-06-30","val":51622000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2014-04-01","end":"2014-06-30","val":54386000,"accn":"0001104659-14-053273","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-24"},{"start":"2014-04-01","end":"2014-06-30","val":54386000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":54384000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-01-01","end":"2014-09-30","val":54384000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2014-07-01","end":"2014-09-30","val":60827000,"accn":"0001540947-14-000004","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-23"},{"start":"2014-07-01","end":"2014-09-30","val":60827000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":55883000,"accn":"0001540947-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-12"},{"start":"2014-01-01","end":"2014-12-31","val":55883000,"accn":"0001540947-15-000006","fy":null,"fp":null,"form":"8-K","filed":"2015-04-01"},{"start":"2014-01-01","end":"2014-12-31","val":55883000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2014-01-01","end":"2014-12-31","val":55883000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":63379000,"accn":"0001540947-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-23"},{"start":"2015-01-01","end":"2015-03-31","val":63379000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":66591000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-01-01","end":"2015-06-30","val":66591000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2015-04-01","end":"2015-06-30","val":70876000,"accn":"0001540947-15-000013","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-23"},{"start":"2015-04-01","end":"2015-06-30","val":70876000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":67960000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-01-01","end":"2015-09-30","val":67960000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2015-07-01","end":"2015-09-30","val":71086000,"accn":"0001540947-15-000017","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-22"},{"start":"2015-07-01","end":"2015-09-30","val":71086000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":69773000,"accn":"0001540947-16-000022","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-11"},{"start":"2015-01-01","end":"2015-12-31","val":69773000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2015-01-01","end":"2015-12-31","val":69773000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":69773000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":77675000,"accn":"0001540947-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-28"},{"start":"2016-01-01","end":"2016-03-31","val":77675000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":78353000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-01-01","end":"2016-06-30","val":78353000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":78865000,"accn":"0001540947-16-000028","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-28"},{"start":"2016-04-01","end":"2016-06-30","val":78865000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":79025000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-01-01","end":"2016-09-30","val":79025000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2016-07-01","end":"2016-09-30","val":80599000,"accn":"0001540947-16-000031","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-27"},{"start":"2016-07-01","end":"2016-09-30","val":80599000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":79388000,"accn":"0001540947-17-000003","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-09"},{"start":"2016-01-01","end":"2016-12-31","val":79388000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":79388000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2016-01-01","end":"2016-12-31","val":79388000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":80602000,"accn":"0001540947-17-000010","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"start":"2017-01-01","end":"2017-03-31","val":80602000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2017-01-01","end":"2017-03-31","val":80602000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":80602000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":80603000,"accn":"0001540947-17-000017","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":80603000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":80603000,"accn":"0001540947-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-18-000008","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12"},{"start":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":80607000,"accn":"0001540947-18-000014","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":80607000,"accn":"0001540947-18-000017","fy":null,"fp":null,"form":"8-K","filed":"2018-06-12","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-12-31","val":99303000,"accn":"0001540947-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"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":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":80607000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":82290000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":83553000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":93746000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":111980000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":99303000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":161259000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":161259000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":195645000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":207482000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":192244000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":200483000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":196085000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":232100000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}},"WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted":{"label":"Weighted Average Number of Limited Partnership and General Partnership Unit Outstanding, Basic and Diluted","description":"The average number of limited partnership and general partnership units issued and outstanding that are used in calculating basic and diluted earnings per limited partnership and general partnership unit.","units":{"shares":[{"start":"2017-01-01","end":"2017-06-30","val":80602000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":80603000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":80603000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2017-07-01","end":"2017-09-30","val":80603000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2017Q3"},{"start":"2018-01-01","end":"2018-06-30","val":82290000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":83553000,"accn":"0001540947-18-000025","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":93746000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":111980000,"accn":"0001540947-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-25","frame":"CY2018Q3"}]}},"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":"2017-01-01","end":"2017-12-31","val":80603000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":80607000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":82290000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2018-04-01","end":"2018-06-30","val":83553000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":93746000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":111980000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":99303000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":154259000,"accn":"0001540947-19-000022","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-30"},{"start":"2019-01-01","end":"2019-03-31","val":154259000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":177498000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30"},{"start":"2019-04-01","end":"2019-06-30","val":200482000,"accn":"0001540947-19-000028","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-30","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":185244000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":200483000,"accn":"0001540947-19-000034","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":189085000,"accn":"0001540947-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":200495000,"accn":"0001540947-20-000008","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1"}]}}}}}