{"cik":1339469,"entityName":"CHIASMA, INC","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2015-08-25","val":23930199,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q3I"},{"end":"2015-11-12","val":23936776,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2016-03-08","val":24275268,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2016Q1I"},{"end":"2016-05-09","val":24301945,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2016-08-05","val":24356697,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-11-04","val":24359584,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2017-03-09","val":24359584,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2017Q1I"},{"end":"2017-05-02","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2017-08-07","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-11-06","val":24379216,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2018-03-08","val":24381605,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2018Q1I"},{"end":"2018-05-07","val":24383994,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2018-08-06","val":24386383,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-11-05","val":24430643,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2019-03-01","val":24465499,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2019Q1I"},{"end":"2019-05-03","val":31767915,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-08-02","val":41787227,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-10-31","val":42016403,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2020-03-09","val":42255657,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2020Q1I"},{"end":"2020-05-04","val":42265341,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2020-08-05","val":57802283,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-11-02","val":57804095,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2021-02-26","val":57843577,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2021-04-30","val":57894177,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2016-03-08","val":113131741,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2016Q1I"},{"end":"2016-06-30","val":53534140,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q2I"},{"end":"2017-06-30","val":26748236,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q2I"},{"end":"2018-06-30","val":27710787,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q2I"},{"end":"2019-06-28","val":192861371,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q2I"},{"end":"2020-06-30","val":195166166,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q2I"}]}}},"us-gaap":{"AccountsPayableCurrent":{"label":"Accounts Payable, Current","description":"Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2014-12-31","val":317994,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":317994,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":318000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":1165602,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":693847,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":157000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":157000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":157000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":157000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":157000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":5336000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":5081000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1160000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1166000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":1166000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":1166000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":1166000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":1166000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1506000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2015000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1982000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1017000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":1017000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":1017000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":1017000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":1017000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2295000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2529000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2653000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2029000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":2029000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":2029000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":2029000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":2029000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3829000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3256000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2737000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3253000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":3253000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":3253000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":3253000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":3253000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5450000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7079000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7149000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4240000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":4240000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6356000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AccretionAmortizationOfDiscountsAndPremiumsInvestments":{"label":"Accretion (Amortization) of Discounts and Premiums, Investments","description":"The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":705,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":-46000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-46000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-46000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-44000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-44000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-16000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-16000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":75000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":75000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":150000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":150000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":150000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":73000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":73000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":134000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":134000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":149000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":149000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":150000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":150000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":150000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":54000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":54000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":130000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":130000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":271000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":271000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":440000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":440000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":440000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":131000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":131000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":278000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":278000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":414000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":414000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":515000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":515000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":65000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":65000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":94000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":71000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":6000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-82000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2014-12-31","val":4000294,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":4000294,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":4000000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":3062272,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3837198,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4657000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":4657000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":4657000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":4657000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":4657000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3902000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":9831000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5579000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":5534000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":5534000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":5534000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":5534000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":5534000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":4737000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4145000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4105000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4033000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":4033000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":4033000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":4033000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":4033000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":4409000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5648000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6179000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7848000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":7848000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":7848000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":7848000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":7848000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5442000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5385000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6557000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7576000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":7576000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":7576000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":7576000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":7576000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7238000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":8148000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10275000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11858000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":11858000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10338000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2014-12-31","val":1362000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1541000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":1541000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":316000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":316000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":339000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":339000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":401000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":401000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":320000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":320000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":492000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2015-09-30","val":80700,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":23000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":23000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":23000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":23000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":23000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":138000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":138000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-8000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-9000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":-9000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":-9000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":-9000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":-9000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":-31000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":-24000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":-8000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":-59000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":-59000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":-59000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":-59000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":-59000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":-95000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":-33000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":-12000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":-16000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":-16000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":-16000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":-16000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":-16000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":52000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":49000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":37000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":37000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":37000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":37000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":26000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2014-12-31","val":9489627,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":9489627,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":9490000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":11595958,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":257905298,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":259969000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":259969000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":259969000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":259969000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":259969000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":262329000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":262671000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":263459000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":264017000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":264017000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":264017000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":264017000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":264017000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":264761000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":266282000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":266980000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":267642000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":267642000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":267642000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":267642000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":267642000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":268304000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":269058000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":269822000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":270509000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":270509000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":270509000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":270509000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":270509000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":271150000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":303963000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":357158000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":358245000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":358245000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":358245000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":358245000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":359637000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":360977000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":437659000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2019-12-31","val":358245000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":438920000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":438920000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":440371000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":{"label":"APIC, Share-based Payment Arrangement, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":745000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":756000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":756000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":871821,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":1883524,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1760000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2057000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":728000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":728000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":735000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":627000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":627000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":627000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":627000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":944000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":944000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3270000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":3270000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":1335000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":1335000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":1345000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5074000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1400000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":745000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":508905,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":380208,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":593655,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":84749,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":756000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":756000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":221000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":871821,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":872000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":650862,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":651000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1883524,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":1883000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":1011703,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":1012000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1760000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":1760000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2057000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":2057000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":297000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":297000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2813000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":2813000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":757000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":757000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":719000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":719000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2215000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":2215000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":1496000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":1496000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":2886000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":2886000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":671000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":671000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1365000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":1365000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":728000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":728000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2100000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":2100000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":735000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":735000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1249000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":1249000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":627000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":627000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2193000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":2193000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":944000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":944000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3270000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":3270000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2497000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":1335000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":3813000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":1316000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5020000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1372000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"AmortizationOfFinancingCostsAndDiscounts":{"label":"Amortization of Debt Issuance Costs and Discounts","description":"Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.","units":{"USD":[{"start":"2020-01-01","end":"2020-06-30","val":63000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":171000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":330000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":160000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount":{"label":"Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount","description":"Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.","units":{"shares":[{"start":"2014-01-01","end":"2014-06-30","val":489120,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":467888,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":131557,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":111712,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"}]}},"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":"2014-12-31","val":41398706,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":41398706,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":41399000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":66520878,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":165224862,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":141251000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":122229000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":105506000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":88425000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":83048000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":76853000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":63347000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":56935000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":50885000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":54873000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":60646000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":106883000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":98826000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":86722000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":93966000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":194561000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":176338000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":176338000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":159535000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2014-12-31","val":40471734,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":40471734,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":40472000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":63732920,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":164246847,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":151085000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":151085000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":151085000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":151085000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":151085000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":138122000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":118121000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":101602000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":95094000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":95094000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":95094000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":95094000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":95094000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":86787000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":81515000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":75342000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":68707000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":68707000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":68707000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":68707000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":68707000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":62186000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":55800000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":49774000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":62187000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":62187000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":62187000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":62187000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":62187000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":53509000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":59292000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":105682000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":96256000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":96256000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":96256000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":96256000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":96256000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":84139000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":70828000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":171261000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":153358000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":153358000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":137032000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AssetsFairValueDisclosure":{"label":"Assets, Fair Value Disclosure","description":"Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":130728000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":111883000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":95092000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":82712000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":78445000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":72535000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":58525000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":53991000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":47260000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":31753000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":56596000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":101075000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":89532000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":78019000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85266000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":159215000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":130239000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax","description":"Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2019-12-31","val":37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":9000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":9000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax","description":"Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2020-12-31","val":9000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":9000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesAmortizedCost":{"label":"Available-for-sale Securities, Amortized Cost Basis","description":"This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.","units":{"USD":[{"end":"2019-12-31","val":89495000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":130239000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtSecurities":{"label":"Debt Securities, Available-for-sale","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2019-12-31","val":89532000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":130239000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesGrossRealizedGainLossNet":{"label":"Available-for-sale Securities, Gross Realized Gain (Loss)","description":"This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"}]}},"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":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"Cash":{"label":"Cash","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. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2013-12-31","val":12849579,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2013Q4I"},{"end":"2014-06-30","val":12540966,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2I"},{"end":"2014-12-31","val":40160435,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q4I"},{"end":"2015-06-30","val":63266889,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2776587,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6900000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":6900000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":6900000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":6900000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":6900000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3600000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3700000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4300000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1800000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":1800000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":1800000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":1800000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":1800000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2300000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1700000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":600000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2200000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":2200000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":2200000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":2200000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":2200000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2000000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":600000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":800000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1400000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":1400000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1400000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1400000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":1400000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2100000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1600000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1600000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2800000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":2800000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":2800000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":2800000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":2800000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1200000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1800000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":17800000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4600000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":4600000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5100000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2012-12-31","val":18490000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2012Q4I"},{"end":"2013-12-31","val":12849579,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2013-12-31","val":12850000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2013-12-31","val":12850000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2013Q4I"},{"end":"2014-09-30","val":10162568,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3I"},{"end":"2014-12-31","val":40160435,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":40160000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2014-12-31","val":40160000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2014-12-31","val":40160000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2014-12-31","val":40160000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2014-12-31","val":40160000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2014-12-31","val":40160000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2014Q4I"},{"end":"2015-03-31","val":70871000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1I"},{"end":"2015-06-30","val":63267000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2I"},{"end":"2015-09-30","val":140869221,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2015-09-30","val":140869000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3I"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2015-12-31","val":41039000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2015Q4I"},{"end":"2016-01-01","val":41039000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-03-31","val":39107000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2016-03-31","val":39107000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1I"},{"end":"2016-06-30","val":30483000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2016-06-30","val":30483000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2I"},{"end":"2016-09-30","val":28475000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2016-09-30","val":28475000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2016-12-31","val":37013000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2016Q4I"},{"end":"2017-03-31","val":18989000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2017-03-31","val":18989000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1I"},{"end":"2017-06-30","val":18369000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2017-06-30","val":18369000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2I"},{"end":"2017-09-30","val":12133000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2017-09-30","val":12133000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3I"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2017-12-31","val":14603000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017Q4I"},{"end":"2018-03-31","val":15248000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2018-03-31","val":15248000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13844000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2018-06-30","val":13844000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":11169000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2018-09-30","val":11169000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3I"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2018-12-31","val":13060000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018Q4I"},{"end":"2019-03-31","val":10074000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-03-31","val":10074000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1I"},{"end":"2019-06-30","val":20568000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":20568000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2I"},{"end":"2019-09-30","val":19665000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-09-30","val":19665000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":27855000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":27855000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":27855000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":27855000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":27855000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":42555000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2020-03-31","val":42555000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1I"},{"end":"2020-06-30","val":52194000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":72840000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":15462000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":15462000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":24576000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CashAndCashEquivalentsFairValueDisclosure":{"label":"Cash and Cash Equivalents, Fair Value Disclosure","description":"Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2015-09-30","val":138099417,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":34150000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":34150000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":34150000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":34150000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":34150000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":35536000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":26736000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":24209000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":35218000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":35218000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":35218000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":35218000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":35218000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":16683000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":16706000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":11497000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":12399000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":12399000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":12399000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":12399000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":12399000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":13275000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":13210000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10326000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":11612000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":11612000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":11612000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":11612000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":11612000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7970000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":19016000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":18045000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":25012000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":25012000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":25012000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":25012000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":25012000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":41312000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":70373000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":75298000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"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":"2013-01-01","end":"2013-12-31","val":-5640000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":27310000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":27310000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":30711000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":23107000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":100709000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":879000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":879000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":879000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-1932000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-1932000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-10556000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-10556000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-12564000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-12564000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":-4026000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-4026000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-4026000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-18024000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-18024000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-18644000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-18644000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-24880000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-24880000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-22410000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-22410000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":645000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":645000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-759000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-759000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-3434000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":-1543000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2986000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":7508000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"}]}},"CashCashEquivalentsAndShortTermInvestments":{"label":"Cash, Cash Equivalents, and Short-term Investments","description":"Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.","units":{"USD":[{"end":"2019-12-31","val":92400000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":79300000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"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":"2017-12-31","val":14603000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2017Q4I"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2018-12-31","val":13060000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":13060000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018Q4I"},{"end":"2019-06-30","val":20568000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2I"},{"end":"2019-09-30","val":19665000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":27855000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":27855000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":27855000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2019-12-31","val":27855000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":42555000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1I"},{"end":"2020-06-30","val":72194000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":93140000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":36025000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":36025000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":44848000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect","description":"Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-22410000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":-3434000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-1543000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-1543000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2986000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":7508000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":6605000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":6605000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":14795000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":14795000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":14700000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":14700000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":44339000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":65285000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":8170000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":8823000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"CashPeriodIncreaseDecrease":{"label":"Cash, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash. Cash is 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. Includes effect from exchange rate changes.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":-308613,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-2687011,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-06-30","val":23106454,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":100708786,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights":{"label":"Class of Warrant or Right, Number of Securities Called by Warrants or Rights","description":"Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.","units":{"shares":[{"end":"2015-12-31","val":3661556,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3661556,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3361556,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"}]}},"ClassOfWarrantOrRightOutstanding":{"label":"Class of Warrant or Right, Outstanding","description":"Number of warrants or rights outstanding.","units":{"shares":[{"end":"2015-12-31","val":3621767,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":3621767,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-12-31","val":3621767,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3621767,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3567015,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3567015,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3567015,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":3567015,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":3567015,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":3567015,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3567015,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3567015,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3567015,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3567015,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":3567015,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":3567015,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":3567015,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3567015,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3567015,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3567015,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3567015,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":3567015,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":3567015,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":3567015,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3567015,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3567015,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3567015,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3567015,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":3567015,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":3567015,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":3567015,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":3567015,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3567015,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3567015,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8156373,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":8156373,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":8156373,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8156373,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2014-12-31","val":0.01,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":0.01,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":0.01,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":0.01,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-07-21","val":0.01,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-07-21","val":0.01,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-07-21","val":0.01,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2015-09-30","val":0.01,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0.01,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0.01,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0.01,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0.01,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0.01,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0.01,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0.01,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0.01,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.01,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.01,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.01,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.01,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":0.01,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.01,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.01,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.01,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.01,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":0.01,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.01,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2014-12-31","val":175000000,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":175000000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":175000000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":250000000,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":125000000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":125000000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":125000000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":125000000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":125000000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":125000000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":125000000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":125000000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":125000000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":125000000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":125000000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":125000000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":125000000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":125000000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":125000000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":125000000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":125000000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":125000000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":125000000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":125000000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":125000000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":125000000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":125000000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":125000000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":125000000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":125000000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":125000000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":125000000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":125000000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":125000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":125000000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":125000000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":125000000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":125000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":125000000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":125000000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":125000000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":125000000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":125000000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":125000000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":125000000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":125000000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":125000000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":125000000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2014-12-31","val":44326,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":44326,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":44326,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":206631,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-07-21","val":7319750,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-07-21","val":7319750,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-07-21","val":7319750,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2015-09-30","val":23930366,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":24293524,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":24356697,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":24359584,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":24376827,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":24383994,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":24386383,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":24430543,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":24489959,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31777227,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":42005465,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":42078416,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":42265341,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":42268932,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":57804095,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":57815596,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":57815596,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":57843577,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2014-12-31","val":44326,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":44326,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":44326,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":206631,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":23930366,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":24012597,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":24293524,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":24356697,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":24359584,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":24359584,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":24376827,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":24381605,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":24383994,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":24386383,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":24430543,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":24456120,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":24489959,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31777227,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":42005465,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":42078416,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":42078416,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":42265341,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":42268932,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":57804095,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":57815596,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":57815596,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":57843577,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2014-12-31","val":443,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":443,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q4I"},{"end":"2015-06-30","val":2066,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":239304,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":240000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":240000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":240000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":240000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":240000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":243000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":244000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":244000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":244000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":244000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":244000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":244000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":244000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":244000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":244000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":244000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":244000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":244000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":244000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":244000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":244000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":244000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":244000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":244000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":245000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":245000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":245000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":245000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":245000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":245000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":318000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":420000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":421000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":421000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":421000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":421000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":421000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":423000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":423000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":578000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":578000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":578000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":578000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":36181000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":5944607,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":552608,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-2011000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-2011000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-4244000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-12017000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7773000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-21612723,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-21613000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9309111,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-9309000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-35885000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-35885000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-35885000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-17065000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-17065000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-43728000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-43728000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-53247000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-53247000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9226000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9226000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-61143000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-61143000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-61143000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-7042000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-7042000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-13889000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-13889000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-6847000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-6847000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-20722000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-20722000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-6833000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":-6833000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-26876000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-26876000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-26876000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-7079000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-7079000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-15690000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-15690000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8611000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-8611000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-23139000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-23139000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-7449000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-7449000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-31218000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-31218000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-31218000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-8732000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-8732000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-16522000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-16522000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-7790000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-7790000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-24208000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-24208000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7686000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7686000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-36267000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-36267000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-15420000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-15420000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-36525000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-21105000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-55002000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-18477000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-74816000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-30548000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ContractualObligation":{"label":"Contractual Obligation","description":"Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.","units":{"USD":[{"end":"2015-09-30","val":5100000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5100000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":5100000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":5100000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5100000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2016-12-31","val":5100000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2016-12-31","val":5100000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2016Q4I"}]}},"ContractualObligationDueInNextTwelveMonths":{"label":"Contractual Obligation, to be Paid, Year One","description":"Amount of contractual obligation 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":"2015-09-30","val":1700000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1700000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1700000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1700000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1700000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q4I"}]}},"ContractualObligationDueInSecondYear":{"label":"Contractual Obligation, to be Paid, Year Two","description":"Amount of contractual obligation 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":"2015-09-30","val":1700000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"}]}},"ContractualObligationDueInThirdYear":{"label":"Contractual Obligation, to be Paid, Year Three","description":"Amount of contractual obligation 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":"2015-09-30","val":1700000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"}]}},"ConversionOfStockAmountConverted1":{"label":"Conversion of Stock, Amount Converted","description":"\"The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.\"","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":139017000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":139017000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":139017000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":139017000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"}]}},"ConversionOfStockSharesConverted1":{"label":"Conversion of Stock, Shares Converted","description":"\"The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.\"","units":{"shares":[{"start":"2015-01-01","end":"2015-09-30","val":139016740,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"CostOfGoodsAndServicesSold":{"label":"Cost of Goods and Services Sold","description":"The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":3000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":3000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":61000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":67000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":1024000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":1000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":12000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":13000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":13000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":13000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":12000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":18000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":18000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":61000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"CurrentForeignTaxExpenseBenefit":{"label":"Current Foreign Tax Expense (Benefit)","description":"Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":257000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":147000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":147000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":191000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":191000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":191000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":351000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":351000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":351000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":281000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":281000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":281000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-59000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-59000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-59000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":288000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":288000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":27000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"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":"2013-01-01","end":"2013-12-31","val":1281000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":148000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":148000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":191000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":191000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":191000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":363000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":363000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":363000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":294000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":294000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":294000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-47000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-47000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-47000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":306000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":306000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":88000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"DebtSecuritiesAvailableForSaleRealizedGainLoss":{"label":"Debt Securities, Available-for-sale, Realized Gain (Loss)","description":"Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2017-01-01","end":"2017-12-31","val":-956000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-956000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-956000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"}]}},"DeferredForeignIncomeTaxExpenseBenefit":{"label":"Deferred Foreign Income Tax Expense (Benefit)","description":"Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-57000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":28000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":28000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-16000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-16000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-16000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":72000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":72000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":72000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-22000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-22000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-4000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"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":"2013-01-01","end":"2013-12-31","val":-57000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":28000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":28000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-27000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":-8000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":65000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":65000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":110000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":110000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":252000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":252000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":-16000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-16000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-16000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":5000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":5000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":63000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":63000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":63000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":63000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-884000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-884000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-884000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":-5000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-5000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-3000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-3000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-10000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-10000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-13000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-13000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-18000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-18000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-22000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-22000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-24000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-24000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-8000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":-8000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":-4000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2019-12-31","val":291000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":291000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":209000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"DeferredOfferingCosts":{"label":"Deferred Offering Costs","description":"Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.","units":{"USD":[{"end":"2015-06-30","val":1890066,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"}]}},"DeferredTaxAssetsGross":{"label":"Deferred Tax Assets, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2014-12-31","val":11366000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":24889000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":24889000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":49205000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":49205000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":40008000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":40008000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":48127000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":48127000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":57881000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":57881000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":59605000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"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":"2014-12-31","val":40000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":70000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":70000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":86000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":86000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":24000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":24000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":8000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":8000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":30000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":30000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":38000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"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":"2015-12-31","val":100000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":100000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsDomestic":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Domestic","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.","units":{"USD":[{"end":"2014-12-31","val":7789000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":20625000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":20625000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":44778000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":44778000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":37882000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":37882000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":45722000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":45722000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":54269000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":54269000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":55220000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsForeign":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Foreign","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"}]}},"DeferredTaxAssetsOther":{"label":"Deferred Tax Assets, Other","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.","units":{"USD":[{"end":"2014-12-31","val":80000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":131000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":131000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":251000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":251000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":120000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":120000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":77000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":77000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":18000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":18000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":168000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxCreditCarryforwards":{"label":"Deferred Tax Assets, Tax Credit Carryforwards","description":"Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.","units":{"USD":[{"end":"2014-12-31","val":1024000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1024000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":1024000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1024000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":1024000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"}]}},"DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax":{"label":"Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.","units":{"USD":[{"end":"2015-12-31","val":1000000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.","units":{"USD":[{"end":"2014-12-31","val":330000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":919000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":919000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":979000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":979000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1067000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":1067000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1513000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":1513000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":2180000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":2180000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3505000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.","units":{"USD":[{"end":"2014-12-31","val":1865000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1922000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":1922000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1826000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":1826000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":627000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":627000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":482000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":482000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":710000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":710000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":29000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"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":"2014-12-31","val":11326000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":24819000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":24819000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":49119000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":49119000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":39984000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":39984000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":48119000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":48119000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":57560000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":57560000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":59358000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesLeasingArrangements":{"label":"Deferred Tax Liabilities, Leasing Arrangements","description":"Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.","units":{"USD":[{"end":"2019-12-31","val":291000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":291000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":209000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries":{"label":"Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries","description":"Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.","units":{"USD":[{"end":"2017-12-31","val":300000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":300000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":200000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":200000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":322000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":272000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":272000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":51000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":99000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":146000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":201000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":201000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":201000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":59000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":59000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":153000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":153000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":373000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":373000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":433000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":433000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":433000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":40000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":40000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":79000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":79000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":119000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":119000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":152000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":152000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":152000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":23000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":23000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":46000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":46000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":69000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":69000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":88000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":88000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":88000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":29000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":29000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":42000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":42000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":55000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":55000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":26000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":26000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":73000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":122000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":172000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":51000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2014-01-01","end":"2014-06-30","val":141027,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":209494,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-06-30","val":98574,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":146237,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"DerivativeLiabilities":{"label":"Derivative Liability","description":"Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.","units":{"USD":[{"end":"2020-06-30","val":1308000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2040000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1900000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":1900000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":11560000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2013-01-01","end":"2013-12-31","val":-125.29,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":39.82,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":123.38,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":83.42,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":83.42,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":135.37,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":12.47,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":12.47,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-66.21,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-66.21,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-199.86,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-59.73,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-03-31","val":-59.73,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-03-31","val":-59.73,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-106.79,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-106.79,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-3.17,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-3.17,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-3.25,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-3.25,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-3.25,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-0.61,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-10-01","end":"2015-12-31","val":-0.61,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-1.81,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-1.81,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-2.19,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-2.19,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-2.51,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-2.51,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-2.51,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-0.32,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-10-01","end":"2016-12-31","val":-0.32,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.57,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-0.57,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.85,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-0.85,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1.1,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-1.1,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1.1,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-0.25,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-10-01","end":"2017-12-31","val":-0.25,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-0.64,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-0.64,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.95,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-0.95,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1.28,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-1.28,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-1.28,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-0.32,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-10-01","end":"2018-12-31","val":-0.32,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.59,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-0.59,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.77,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-0.77,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-1.06,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-1.06,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-0.29,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-10-01","end":"2019-12-31","val":-0.29,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-0.86,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.5,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.5,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.13,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.3,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.3,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.43,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-0.32,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-0.49,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2013-01-01","end":"2013-12-31","val":-125.29,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.19,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.54,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":0.36,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":0.36,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0.61,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":0.07,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":0.07,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-66.21,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-66.21,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-199.86,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-59.73,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-03-31","val":-59.73,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-03-31","val":-59.73,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-106.79,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-106.79,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-50.36,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-3.17,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-3.17,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-0.46,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-3.25,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-3.25,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-3.25,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-0.61,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-10-01","end":"2015-12-31","val":-0.61,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-03-31","val":-0.71,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-1.81,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-1.81,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-1.1,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-2.19,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-2.19,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-0.38,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-2.51,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-2.51,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-2.51,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-0.32,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-10-01","end":"2016-12-31","val":-0.32,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-03-31","val":-0.29,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.57,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-0.57,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-0.28,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.85,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-0.85,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-0.28,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1.1,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-1.1,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1.1,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-0.25,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-10-01","end":"2017-12-31","val":-0.25,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-0.29,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-0.64,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-0.64,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-0.36,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.95,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-0.95,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-0.31,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1.28,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-1.28,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-1.28,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-0.32,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-10-01","end":"2018-12-31","val":-0.32,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-0.36,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.59,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-0.59,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-0.25,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.77,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-0.77,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.2,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-1.06,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-1.06,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-0.29,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-10-01","end":"2019-12-31","val":-0.29,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"start":"2020-01-01","end":"2020-03-31","val":-0.36,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-0.86,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.5,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-0.5,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.13,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.3,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-0.3,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.43,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-0.32,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-0.49,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":0.033,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-0.0957,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-0.0957,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0045,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0045,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0045,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-0.0061,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-0.0061,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-0.006,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0216,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.022,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.022,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.008,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-0.008,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent","description":"Percentage of domestic federal statutory tax rate applicable to pretax income (loss).","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.34,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.34,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.34,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":0.34,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":0.34,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.34,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0.34,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.34,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0.34,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.34,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":0.34,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":0.34,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.34,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.34,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.34,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.34,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.34,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.21,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0.21,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.21,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent","description":"Percentage 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 changes in the valuation allowance for deferred tax assets.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":-0.3297,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-0.3406,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-0.3406,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-0.3774,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-0.3774,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-0.3774,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-0.3999,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-0.3999,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-0.4,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.3317,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.332,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.332,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-0.26,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-0.26,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-0.26,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.261,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-0.261,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-0.024,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate":{"label":"Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent","description":"Percentage 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 changes in the income tax rates.","units":{"pure":[{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-0.6855,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-0.686,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-0.685,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"}]}},"EffectiveIncomeTaxRateReconciliationDeductionsOther":{"label":"Effective Income Tax Rate Reconciliation, Deduction, Other, Percent","description":"Percentage 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 deductions.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":-0.004,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.043,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.043,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.0005,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0.0005,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.0005,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.0029,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.0029,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.003,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0066,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.007,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-0.007,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.003,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-0.003,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-0.003,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.005,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-0.005,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential":{"label":"Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent","description":"Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":-0.0017,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.0109,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.0109,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.0008,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0.0008,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.0008,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.0042,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.0042,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.004,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0079,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.008,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.008,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.002,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.002,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.002,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.001,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent","description":"Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.0026,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-0.1088,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-0.1088,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0116,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0116,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0116,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-0.0063,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-0.0063,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-0.006,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-0.0173,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-0.017,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-0.017,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-0.004,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-0.004,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-0.004,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.003,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-0.003,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Percent","description":"Percentage 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":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.0147,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.0264,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.0264,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0069,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0069,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0069,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.0116,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.0116,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.012,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0062,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.006,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.006,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.002,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-0.002,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent","description":"Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.0006,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.0994,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.0994,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.0564,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0.0564,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.0564,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.0475,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.0475,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.048,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0439,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.044,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.044,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.053,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.053,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.053,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.056,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0.056,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.062,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationTaxContingencies":{"label":"Effective Income Tax Rate Reconciliation, Tax Contingency, Percent","description":"Percentage 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 tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.0025,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-0.08,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-0.08,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0053,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0053,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-0.0053,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-0.0003,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-0.0003,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.0013,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.001,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.001,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.001,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.002,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.002,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.004,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-0.004,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.001,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability":{"label":"Embedded Derivative, Fair Value of Embedded Derivative Liability","description":"Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.","units":{"USD":[{"end":"2020-12-31","val":3100000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3100000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"EmployeeRelatedLiabilitiesCurrent":{"label":"Employee-related Liabilities, Current","description":"Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2014-12-31","val":598178,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":598178,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":598000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":830147,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1262289,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1795000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":1795000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":1795000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":1795000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":1795000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1658000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1337000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2727000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2597000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":2597000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":2597000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":2597000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":2597000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1381000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1311000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1070000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":780000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":780000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":780000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":780000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":780000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":504000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":721000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":936000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1171000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":1171000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":1171000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":1171000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":1171000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":568000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":861000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1218000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1872000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":1872000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":1872000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":1872000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1872000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1451000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2237000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3171000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4900000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":4900000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2126000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions":{"label":"Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount","description":"Amount of cost to be recognized for option under share-based payment arrangement.","units":{"USD":[{"end":"2015-06-30","val":10760169,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":16449561,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":18300000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":8000000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4100000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2200000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":10100000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":12200000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"FairValueAdjustmentOfWarrants":{"label":"Fair Value Adjustment of Warrants","description":"Amount of expense (income) related to adjustment to fair value of warrant liability.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":60000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"}]}},"FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease":{"label":"Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)","description":"Amount of increase (decrease) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2020-01-01","end":"2020-06-30","val":1300000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"}]}},"FinanceLeaseRightOfUseAssetAmortization":{"label":"Finance Lease, Right-of-Use Asset, Amortization","description":"Amount of amortization expense attributable to right-of-use asset from finance lease.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":39000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":39000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":87000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":87000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":135000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":135000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":319000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":319000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":121000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":121000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":247000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":376000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":509000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":137000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ForeignCurrencyTransactionGainLossBeforeTax":{"label":"Foreign Currency Transaction Gain (Loss), before Tax","description":"Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-72000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":39000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-39000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2016-01-01","end":"2016-12-31","val":-9000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":9000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":9000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-81000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-81000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-81000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-75000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-75000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-42000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"GainLossOnSaleOfPropertyPlantEquipment":{"label":"Gain (Loss) on Disposition of Property Plant Equipment","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-221000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":9356,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":20679,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-91000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-91000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":4000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":4286,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":4000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":4353,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":4000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":5000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":5000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":5000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":-53000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-53000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":-67000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-67000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-67000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2019-01-01","end":"2019-12-31","val":-29000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-29000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"}]}},"GeneralAndAdministrativeExpense":{"label":"General and Administrative Expense","description":"The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":16456000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":9994000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":15386000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":5392000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-02","end":"2016-09-30","val":19267000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":3881000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":21815000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":21815000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":2460000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":2460000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":5101000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":5101000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":2641000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":2641000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":7353000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":7353000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":2252000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":2252000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":9146000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":9146000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":9146000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2434000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":2434000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5061000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":5061000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":2627000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":2627000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":7317000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":7317000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":2256000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":2256000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":9974000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":9974000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2450000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":2450000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":5094000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":5094000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":2644000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":2644000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":9210000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":4116000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":15122000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":7582000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":18247000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":10665000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"}]}},"GrossProfit":{"label":"Gross Profit","description":"Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":139000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":139000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1045000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1857000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ImpairmentOfLeasehold":{"label":"Impairment of Leasehold","description":"The adjustment to reduce the value of existing agreements that specify the lessee's rights to use the leased property. This expense is charged when the estimates of future profits generated by the leased property are reduced.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":1700000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":1700000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":1700000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":1700000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":1700000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-01-02","end":"2016-12-31","val":1700000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"}]}},"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":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Domestic","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":37010000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-1493000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-1493000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-35219000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-35219000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-35219000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":-61390000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-61390000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-61390000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-27703000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-27703000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-27703000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-31477000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-31477000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-31477000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-36407000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-36407000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-75102000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"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":"2013-01-01","end":"2013-12-31","val":37405000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":6144919,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":4200143,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":7074505,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":929586,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-1835000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-1835000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-4239000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-11943566,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-11943000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7704088,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-7704000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-21230611,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-21230000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9287045,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-9287000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-35747000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-35747000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-35747000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-17091000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-17091000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-43678000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-43678000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-26587000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-26587000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-52978000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-52978000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9300000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9300000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-60764000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-60764000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-60764000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-6955000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-6955000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-13671000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-13671000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-6716000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-6716000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-20422000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-20422000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-6751000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":-6751000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-27416000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-27416000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-27416000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-7067000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-7067000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-15719000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-15719000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8652000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-8652000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-23162000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-23162000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-7443000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-7443000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-31292000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-31292000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-31292000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-8737000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-8737000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-16562000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-16562000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-7825000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-7825000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-24239000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-24239000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7677000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7677000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-36036000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-36036000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-15309000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-15309000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-36425000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-21116000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-54861000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-18436000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-74695000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-30496000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Foreign","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":395000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-342000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-342000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":-528000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-528000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-528000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":626000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":626000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":626000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":287000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":287000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":287000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":185000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":185000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":185000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":371000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":371000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":407000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"IncomeTaxExaminationPenaltiesAndInterestExpense":{"label":"Income Tax Examination, Penalties and Interest Expense","description":"The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":15000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"}]}},"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":"2013-01-01","end":"2013-12-31","val":1224000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":65102,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":194361,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":233339,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":168237,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":176000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":176000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":5000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":73471,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":74000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":68741,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":69000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":145011,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":146000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":71540,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":72000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":161000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":161000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":161000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":89000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":89000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":165000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":165000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":76000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":76000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":238000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":238000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":73000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":73000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":347000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":347000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":347000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":65000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":65000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":203000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":203000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":138000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":138000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":301000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":301000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":98000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":98000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-590000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-590000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-590000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-24000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-24000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-3000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-3000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":21000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":21000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":24000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":24000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":27000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":27000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-31000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-31000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-31000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":13000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":13000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":28000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":28000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":15000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":15000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":34000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":34000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":6000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":6000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":284000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":284000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":77000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":77000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":89000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":12000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":110000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":21000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":84000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":52000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncomeTaxesPaid":{"label":"Income Taxes Paid","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":1176000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":13810,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":18965,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":114000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":114000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":10000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":27720,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":28000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":36987,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":37000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":69000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":69000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":69000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":43000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":76000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":95000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":140000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":140000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":51000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"}]}},"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":"2016-01-01","end":"2016-12-31","val":140000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":51000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":51000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":333000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":333000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":333000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":380000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":380000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":188000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"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":"2013-01-01","end":"2013-12-31","val":1032000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":-2150420,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-1946723,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-2023000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":358453,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":366007,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":-161000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"}]}},"IncreaseDecreaseInAccountsPayableAndAccruedLiabilities":{"label":"Increase (Decrease) in Accounts Payable and Accrued Liabilities","description":"The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":496000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":3949000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":10100000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-02","end":"2016-09-30","val":1927000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":1805000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":1805000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-457000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-457000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-670000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-670000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-613000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-613000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1616000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-1616000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1616000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1654000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":1654000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":3127000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":3127000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":3241000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":3241000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":4349000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":4349000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":4349000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-751000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-751000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-1237000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-1237000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-1924000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-1924000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":111000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":111000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2924000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":2924000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5762000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":7690000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":6167000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":596000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncreaseDecreaseInAccountsReceivable":{"label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":179000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":538000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":477000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncreaseDecreaseInAccruedLiabilities":{"label":"Increase (Decrease) in Accrued Liabilities","description":"The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":4355000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":-5839351,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-5242000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":-263096,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":657000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"}]}},"IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities":{"label":"Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities","description":"Amount of increase (decrease) in accrued expenses, and obligations classified as other.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":-4684880,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-1351745,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"}]}},"IncreaseDecreaseInDeferredIncomeTaxes":{"label":"Increase (Decrease) in Deferred Income Taxes","description":"The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":-106187,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-56386,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-06-30","val":513,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":7661,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"IncreaseDecreaseInDeferredRevenue":{"label":"Increase (Decrease) in Deferred Revenue","description":"Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":2883000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":-278826,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-2883295,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-2883000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-2883000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"}]}},"IncreaseDecreaseInInsuranceSettlementsReceivable":{"label":"Increase (Decrease) in Insurance Settlements Receivable","description":"The increase (decrease) during the reporting period in insurance settlements receivable, which are amounts due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. The expectation is that such reimbursement will be received within one year of the balance sheet date.","units":{"USD":[{"start":"2019-01-01","end":"2019-06-30","val":-18288000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-18288000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-18288000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-18288000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-18288000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-18288000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"}]}},"IncreaseDecreaseInInventories":{"label":"Increase (Decrease) in Inventories","description":"The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.","units":{"USD":[{"start":"2020-01-01","end":"2020-09-30","val":8913000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":10901000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3398000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve":{"label":"Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve","description":"Amount of increase (decrease) in liability to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.","units":{"USD":[{"start":"2019-01-01","end":"2019-06-30","val":-18750000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-18750000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-18750000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-18750000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-18750000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-18750000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"}]}},"IncreaseDecreaseInOperatingLiabilities":{"label":"Increase (Decrease) in Operating Liabilities","description":"The increase (decrease) during the reporting period in the aggregate amount of liabilities that result from activities that generate operating income.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":97000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":101157,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":169617,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":4516000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":28000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":252527,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":395361,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":198000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"}]}},"IncreaseDecreaseInOtherNoncurrentAssets":{"label":"Increase (Decrease) in Other Noncurrent Assets","description":"Amount of increase (decrease) in noncurrent assets classified as other.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-24000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":1155,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-3776,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-26000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-26000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-7000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":9712,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":10000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":-141,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-1000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":171000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":171000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":171000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":38000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":38000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":21000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":21000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":87000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":87000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":14000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":14000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":14000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":7000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":7000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":10000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":10000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":10000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":10000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-402000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-402000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-402000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":3000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-6000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-6000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-5000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-5000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-9000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-9000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-9000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-9000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-9000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-54000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-54000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-53000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-53000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":107000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":107000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":19000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":19000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":689000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":688000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":289000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncreaseDecreaseInOtherOperatingLiabilities":{"label":"Increase (Decrease) in Other Operating Liabilities","description":"Amount of increase (decrease) in operating liabilities classified as other.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":198000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":1522000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-02","end":"2016-09-30","val":1610000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":1282000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":1282000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":102000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":102000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":139000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":139000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":146000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":146000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":25000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":25000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":25000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-53000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-53000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-56000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-56000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-50000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-50000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-58000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-58000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-58000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-9000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-9000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-40000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-40000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-67000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-67000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-31000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-31000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-162000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":920000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":2557000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1878000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets":{"label":"Increase (Decrease) in Prepaid Expense and Other Assets","description":"Amount of increase (decrease) in prepaid expenses, and assets classified as other.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-173000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":-54148,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-59829,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-69000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-69000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":107000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":116990,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":117000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":1006942,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":1007000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":1737000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":1737000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":1737000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1475000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":1475000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":333000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":333000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":86000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":86000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":-674000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-674000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-674000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-341000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-341000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-833000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-833000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":62000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":62000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-820000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-820000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-820000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-80000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-80000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-593000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-593000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-637000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-637000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-471000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-471000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-471000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-1015000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-1015000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-1093000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-1093000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":526000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":526000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1420000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":1420000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1298000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1298000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":127000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":1500000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":2364000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":159000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"IncreaseInCarryingAmountOfRedeemablePreferredStock":{"label":"Increase in Carrying Amount of Redeemable Preferred Stock","description":"Adjustment to retained earnings for the increase in carrying amount of redeemable preferred stock that is classified as temporary equity.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":3034000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":904000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":904000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":286575,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":317801,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":318000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":318000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":318000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"}]}},"IncrementalCommonSharesAttributableToCallOptionsAndWarrants":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.","units":{"shares":[{"start":"2014-01-01","end":"2014-06-30","val":1722067,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":1722067,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1719289,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":1711896,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"}]}},"IncrementalCommonSharesAttributableToConversionOfPreferredStock":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.","units":{"shares":[{"start":"2014-01-01","end":"2014-06-30","val":8768025,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":8768025,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":8768025,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":8768025,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"}]}},"IncrementalCommonSharesAttributableToShareBasedPaymentArrangements":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.","units":{"shares":[{"start":"2014-01-01","end":"2014-06-30","val":641391,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":662623,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":615047,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":558675,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"}]}},"InsuranceSettlementsReceivable":{"label":"Insurance Settlements Receivable","description":"Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.","units":{"USD":[{"end":"2018-12-31","val":18288000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":18288000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":18288000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":18288000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":18288000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2018-12-31","val":18300000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2018-12-31","val":18300000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":18300000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018Q4I"},{"end":"2019-03-31","val":18288000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"}]}},"InterestAndOtherIncome":{"label":"Interest and Other Income","description":"The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":1044000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":525000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":341000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1074000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":549000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1543000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":526000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":128000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1648000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":1122000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1826000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":1066000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":27000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":27000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":349000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":349000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":349000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":264000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":264000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":264000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":131000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":131000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":131000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":6000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":6000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":19000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":907000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":907000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":3033000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":2126000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5872000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2873000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"InterestPaid":{"label":"Interest Paid, Including Capitalized Interest, Operating and Investing Activities","description":"Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":921000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"}]}},"InventoryFinishedGoodsNetOfReserves":{"label":"Inventory, Finished Goods, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.","units":{"USD":[{"end":"2020-09-30","val":318000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":312000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":312000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":270000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"InventoryNet":{"label":"Inventory, Net","description":"Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2020-09-30","val":8942000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":10955000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":10955000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":14381000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"InventoryRawMaterialsAndSuppliesNetOfReserves":{"label":"Inventory, Raw Materials and Supplies, Net of Reserves","description":"Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments.","units":{"USD":[{"end":"2020-09-30","val":6745000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6786000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":6786000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4717000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"InventoryWorkInProcessNetOfReserves":{"label":"Inventory, Work in Process, Net of Reserves","description":"Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.","units":{"USD":[{"end":"2020-09-30","val":1879000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3857000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":3857000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9394000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"InvestmentIncomeInterest":{"label":"Investment Income, Interest","description":"Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":5000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":3000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":128000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":128000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":128000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":802000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":802000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":802000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":928000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":928000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":928000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1013000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":1013000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":1007000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1573000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":1554000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":668000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"InvestmentOwnedAtCost":{"label":"Investment Owned, at Cost","description":"Cost of the investment.","units":{"USD":[{"end":"2015-09-30","val":159988724,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":141842000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":141842000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":141842000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":141842000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":141842000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":130590000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":111745000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":95100000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":91198000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":91198000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":91198000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":91198000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":91198000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":82743000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":78469000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":72543000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":64794000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":64794000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":64794000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":64794000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":64794000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":58620000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":54024000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":47272000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":40230000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":40230000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":40230000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":40230000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":40230000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":31751000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":56544000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":101026000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":89495000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":89495000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":89495000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":89495000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":78016000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85240000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":159209000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"InvestmentOwnedAtFairValue":{"label":"Investment Owned, at Fair Value","description":"Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.","units":{"USD":[{"end":"2015-09-30","val":160076207,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":130728000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":111883000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":95092000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":82712000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":78445000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":72535000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":58525000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":53991000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":47260000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":31753000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":56596000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":101075000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":78019000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85266000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":159215000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"InvestmentsFairValueDisclosure":{"label":"Investments, Fair Value Disclosure","description":"Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.","units":{"USD":[{"end":"2015-09-30","val":160076207,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":141865000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":130728000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":111883000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":95092000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":91189000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":82712000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":78445000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":72535000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":64735000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":58525000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":53991000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":47260000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":40214000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":31753000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":56596000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":101075000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":89532000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":89532000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":78019000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":85266000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":159215000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":151351000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":130239000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"LeaseAndRentalExpense":{"label":"Operating Leases, Rent Expense","description":"Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":19093,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":19093,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"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":317000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":360000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":305000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1757000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1789000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1590000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1416000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1230000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1049000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year One","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":609000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-09-30","val":726000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":726000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":497000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":1000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":9000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"}]}},"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":10000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":43000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":43000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":487000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":487000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":487000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"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":167000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":199000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":199000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":661000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":715000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":715000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":497000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":497000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":7000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":139000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":109000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":54000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2020-03-31","val":587000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":388000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":186000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2021-03-31","val":545000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":22000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":27000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":20000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":256000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":223000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":182000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":149000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":117000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":88000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2014-12-31","val":8930738,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":8930738,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":8931000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":9462451,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":9883256,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":10292000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":10292000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":10292000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":10292000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":10292000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":13137000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":20435000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":12443000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":11031000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":11031000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":11031000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":11031000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":11031000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8998000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":8947000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8887000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":7409000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":7409000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":7409000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":7409000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":7409000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":7290000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":8735000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":9370000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":29132000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":29132000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":29132000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":29132000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":29132000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":28840000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9517000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":10143000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13057000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":13057000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":13057000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":13057000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":13057000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":14979000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":41988000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":84223000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":84553000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":84553000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":96847000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2014-12-31","val":41398706,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":41398706,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":41399000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":66520878,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":165224862,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":153108000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":141251000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":122229000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":105506000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":96756000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":88425000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":83048000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":76853000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":69883000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":63347000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":56935000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":50885000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":63256000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":54873000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":60646000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":106883000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":98826000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":98826000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":86722000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":93966000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":194561000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":176338000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":176338000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":159535000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2014-12-31","val":4318288,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":4318288,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":4318000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":5927874,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6231045,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6514000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":6514000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":6514000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":6514000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":6514000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":10938000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":16724000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":8616000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":8400000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":8400000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":8400000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":8400000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":8400000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":7897000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":7845000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7804000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6745000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":6745000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":6745000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":6745000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":6745000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":6704000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":8177000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8832000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":28627000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":28627000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":28627000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":28627000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":28627000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":28190000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8841000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":9498000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11375000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":11375000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":11375000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":11375000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":11375000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":13404000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":15943000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":18146000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":16731000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":16731000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":17319000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"LiabilitiesNoncurrent":{"label":"Liabilities, Noncurrent","description":"Amount of obligation due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2014-12-31","val":4612450,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":4612450,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":4613000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":3534577,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3652211,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3778000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":3778000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":3778000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":3778000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":3778000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2199000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3711000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3827000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2631000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":2631000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":2631000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":2631000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":2631000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1101000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1102000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1083000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":664000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":664000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":664000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":664000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":664000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":586000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":558000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":538000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":505000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":505000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":505000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":505000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":505000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":650000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":676000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":645000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1682000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":1682000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1575000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"LiabilitiesOtherThanLongtermDebtNoncurrent":{"label":"Liabilities, Other than Long-term Debt, Noncurrent","description":"Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.","units":{"USD":[{"end":"2019-12-31","val":1682000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":1682000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":1682000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-06-30","val":1444000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2548000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4274000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":4274000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6160000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"LiabilityForUncertainTaxPositionsNoncurrent":{"label":"Liability for Uncertainty in Income Taxes, Noncurrent","description":"Amount recognized for uncertainty in income taxes classified as noncurrent.","units":{"USD":[{"end":"2014-06-30","val":193569,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2I"},{"end":"2014-12-31","val":240997,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":300000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":318646,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":370490,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":400000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"}]}},"LicensesRevenue":{"label":"Licenses Revenue (Deprecated 2018-01-31)","description":"Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":73134000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":4573000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":10561326,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":5987848,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":5988000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":13165795,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":2604469,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":2605000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":13166000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":13166000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"}]}},"LitigationReserveCurrent":{"label":"Estimated Litigation Liability, Current","description":"Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.","units":{"USD":[{"end":"2018-12-31","val":18750000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":18750000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":18750000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":18750000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":18750000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2018-12-31","val":18800000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2018-12-31","val":18800000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":18800000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018Q4I"},{"end":"2019-03-31","val":18750000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"}]}},"LongTermDebtCurrent":{"label":"Long-term Debt, Current Maturities","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2015-06-30","val":1700000,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1700000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"}]}},"MarketableSecurities":{"label":"Marketable Securities","description":"Amount of investment in marketable security.","units":{"USD":[{"end":"2014-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-09-30","val":21976790,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":107715000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":107715000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":107715000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":107715000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":107715000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":95192000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":85147000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":70883000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":55971000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":55971000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":55971000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":55971000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":55971000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":66029000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":61739000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":61038000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":52336000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":52336000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":52336000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":52336000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":52336000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":45250000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":40781000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":36934000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":28602000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":28602000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":28602000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":28602000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":28602000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":23783000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":37580000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":83030000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":64520000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":64520000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":64520000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":64520000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":64520000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":36707000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":14893000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":83917000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":119959000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":119959000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":90457000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2016-01-01","end":"2016-12-31","val":-1095000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":-1700000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-1699000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1698000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1698000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1700000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1700000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-1700000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-1696000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-1696000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-1663000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-1663000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-1663000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":32262000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":32262000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":85955000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":85955000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":85464000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":85464000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-272000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-272000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":23937000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":139309000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":139338000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":51000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":-51816000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":1687,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":1687,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":33626000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":33626000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":35628000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":35118086,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":35118000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":142739281,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":142739000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":143294000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":143294000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":143294000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-1122000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-1122000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-1101000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-1101000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-1095000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-1095000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":-1095000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-1095000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1700000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-1700000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1700000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":-1699000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":-1698000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1700000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"}]}},"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":"2016-01-01","end":"2016-12-31","val":49033000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":-5652000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-4937000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":3712000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":3712000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":7099000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":11706000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":11706000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":15715000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":15715000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":24211000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":24211000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":24211000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4961000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":4961000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-8646000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-8646000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-54089000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-54089000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-35657000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-35657000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":27562000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":27562000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":49354000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":-19726000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":-55842000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":29416000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":-18000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":35470,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":67427,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":85000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":85000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":6000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-93750,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-93000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":-22163386,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-22163000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":-109112000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-109112000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-109112000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":11942000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":11942000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":20281000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":20281000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":34112000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":34112000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":49033000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":49033000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-10010000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-10010000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-5652000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":-4937000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":3712000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":7099000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"}]}},"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":"2016-01-01","end":"2016-12-31","val":-51964000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":-11292000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":-18244000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-24424000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-24424000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-4754000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-10765000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-10765000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-17453000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-17453000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-24091000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-24091000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-24091000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-7950000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-7950000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-16108000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-16108000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-25261000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-25261000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-35012000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-35000000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-12-31","val":-35012000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-12590000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-12590000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-28952000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":-54298000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":-75326000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-20644000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":46194000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":-345770,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":-2756125,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-6401000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-6401000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-4923000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-11917882,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-11918000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":-19867109,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-19867000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":-33303000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-33303000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-33303000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-12752000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-12752000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-29736000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-29736000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-45581000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-45581000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":-51964000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-51964000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-6314000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-6314000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-11292000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":-18244000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":-24424000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-4754000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":36181000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2073000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":6079817,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":4005782,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":4006000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":6841166,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":761349,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":761000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-2011000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-2011000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-8851000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-4244000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-03-31","val":-4244000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-03-31","val":-4244000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-12017037,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-12017000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7772829,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-7773000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-04-01","end":"2015-06-30","val":-7773000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7773000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-21375622,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-21376000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9358585,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-9359000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-07-01","end":"2015-09-30","val":-9359000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9359000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-35908000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-35908000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-35908000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-14532000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-10-01","end":"2015-12-31","val":-14532000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-43843000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-43843000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-53216000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-53216000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-61111000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-61111000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-61111000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-7895000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-10-01","end":"2016-12-31","val":-7895000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-7020000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-7020000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-03-31","val":-7020000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-03-31","val":-7020000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-13874000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-13874000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-6854000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-6854000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-04-01","end":"2017-06-30","val":-6854000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-6854000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-20723000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-20723000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-6849000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":-6849000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-07-01","end":"2017-09-30","val":-6849000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-6849000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-26826000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-26826000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-26826000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-6103000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-10-01","end":"2017-12-31","val":-6103000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-15716000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-15716000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8673000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-8673000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8673000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8673000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-04-01","end":"2018-06-30","val":-8673000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-23186000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-23186000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-7470000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-7470000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-07-01","end":"2018-09-30","val":-7470000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-7470000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-31261000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-31261000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-31261000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-8075000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-10-01","end":"2018-12-31","val":-8075000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-16590000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-16590000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-7840000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-7840000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":-7840000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-04-01","end":"2019-06-30","val":-7840000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-7840000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":-7840000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-24273000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-24273000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7683000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7683000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-07-01","end":"2019-09-30","val":-7683000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-7683000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-36320000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-36300000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-12-31","val":-36320000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-12047000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-10-01","end":"2019-12-31","val":-12047000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-36514000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-21128000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-21128000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-04-01","end":"2020-06-30","val":-21128000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-54971000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-18457000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-18457000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-74779000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-19808000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-30548000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"NetIncomeLossAvailableToCommonStockholdersBasic":{"label":"Net Income (Loss) Available to Common Stockholders, Basic","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-5357000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1733000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":5391999,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":3657708,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":3658000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":5944607,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":552608,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":553000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-2915000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-2915000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-8859000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-4342000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-03-31","val":-4342000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-03-31","val":-4342000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-12303612,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-12304000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7961883,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-7962000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-04-01","end":"2015-06-30","val":-7962000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7962000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-21693423,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-21694000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9389811,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-9390000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-07-01","end":"2015-09-30","val":-9390000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9390000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-36226000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-36226000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-36226000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-14532000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-10-01","end":"2015-12-31","val":-14532000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-03-31","val":-17180000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-43843000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-04-01","end":"2016-06-30","val":-26663000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-53216000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-07-01","end":"2016-09-30","val":-9373000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-61111000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-61111000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-7895000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-10-01","end":"2016-12-31","val":-7895000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-7020000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q1"},{"start":"2017-04-01","end":"2017-06-30","val":-6854000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q2"},{"start":"2017-07-01","end":"2017-09-30","val":-6849000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-26826000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-6103000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4"}]}},"NetIncomeLossAvailableToCommonStockholdersDiluted":{"label":"Net Income (Loss) Available to Common Stockholders, Diluted","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":6079817,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":4005782,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":6841166,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":761349,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2015-01-01","end":"2015-06-30","val":-12303612,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-7961883,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-21693423,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-9389811,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3"}]}},"NumberOfOperatingSegments":{"label":"Number of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"Segment":[{"start":"2015-01-01","end":"2015-12-31","val":1,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"OperatingExpenses":{"label":"Operating Expenses","description":"Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":34520000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":4351773,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":1747910,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":6088589,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":1736816,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":14996000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":14996000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":4150000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":11745288,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":11745000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":7595292,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":7595000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":20926938,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":20927000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":9181650,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":9182000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":35447000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":35447000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":35447000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":17220000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":17220000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":43928000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":43928000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":26708000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":26708000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":53367000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":53367000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":9439000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":9439000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":61311000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":61311000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":61311000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":7115000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":7115000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":14035000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":14035000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":6920000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":6920000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":20978000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":20978000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":6943000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":6943000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":28132000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":28132000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":28132000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":7297000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":7297000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":16229000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":16229000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":8932000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":8932000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":23947000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":23947000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":7718000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":7718000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":32336000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":32336000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":32336000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":8921000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":8921000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":17087000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":17087000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":8166000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":8166000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":25313000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":25313000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":8226000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":8226000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":37579000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":37579000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":15707000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":15707000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":36044000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":20337000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":53615000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":17571000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":71694000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":19897000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":38614000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1969000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":6209553,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":4239938,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":4240000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":7077206,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":867653,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":868000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-1830000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-1830000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":-8907000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-4150000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-03-31","val":-4150000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-03-31","val":-4150000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-11745288,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-11745000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7595292,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-7595000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-04-01","end":"2015-06-30","val":-7595000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-7595000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-20926938,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-20927000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9181650,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-9182000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-07-01","end":"2015-09-30","val":-9182000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-9182000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-35447000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-35447000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-35447000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-14520000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-10-01","end":"2015-12-31","val":-14520000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-17220000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-17220000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-03-31","val":-17220000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-03-31","val":-17220000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-43928000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":-43928000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-26708000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":-26708000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-04-01","end":"2016-06-30","val":-26708000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-26708000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-53367000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-53367000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9439000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9439000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-07-01","end":"2016-09-30","val":-9439000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":-9439000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-61311000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-61311000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-61311000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-7944000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-10-01","end":"2016-12-31","val":-7944000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-7115000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-7115000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-03-31","val":-7115000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-03-31","val":-7115000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-14035000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-14035000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-6920000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-6920000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-04-01","end":"2017-06-30","val":-6920000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-6920000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-20978000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":-20978000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-6943000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":-6943000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-07-01","end":"2017-09-30","val":-6943000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":-6943000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-28132000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-28132000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-28132000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-7154000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-10-01","end":"2017-12-31","val":-7154000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-7297000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-7297000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-03-31","val":-7297000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-7297000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-16229000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-16229000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8932000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-8932000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8932000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-8932000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-23947000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-23947000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-7718000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":-7718000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-07-01","end":"2018-09-30","val":-7718000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":-7718000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-32336000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-32336000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-32336000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-8389000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-10-01","end":"2018-12-31","val":-8389000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-8921000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-8921000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-03-31","val":-8921000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":-8921000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-17087000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-17087000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-8166000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-8166000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-04-01","end":"2019-06-30","val":-8166000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":-8166000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-25313000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-25313000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-8226000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-8226000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-07-01","end":"2019-09-30","val":-8226000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-8226000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-37579000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-37579000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-12266000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-10-01","end":"2019-12-31","val":-12266000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-15707000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-15707000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"start":"2020-01-01","end":"2020-03-31","val":-15707000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-36044000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-20337000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":-20337000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-53476000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-17432000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-17432000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-70649000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-17173000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-18040000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"OperatingLeaseExpense":{"label":"Operating Lease, Expense","description":"Amount of operating lease expense. Excludes sublease income.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":47000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":47000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":104000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":104000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":57000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":57000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":159000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":159000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":58000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":58000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":366000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":366000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":167000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":167000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":335000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":171000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":505000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":170000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":675000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":171000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"OperatingLeaseLiability":{"label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","units":{"USD":[{"end":"2019-01-01","val":300000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-01-01","val":300000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-01-01","val":300000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-01-01","val":300000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":295000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":333000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":285000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1501000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":1501000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1566000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1408000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1267000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1113000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":961000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":169000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":200000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":204000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":465000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":465000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":628000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":623000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":622000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":633000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":625000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"OperatingLeaseLiabilityNoncurrent":{"label":"Operating Lease, Liability, Noncurrent","description":"Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.","units":{"USD":[{"end":"2019-03-31","val":126000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":133000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":81000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1036000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":1036000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":938000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":785000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":645000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":480000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":336000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"OperatingLeasePayments":{"label":"Operating Lease, Payments","description":"Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":45000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":45000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":55000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":55000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":154000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":154000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":54000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":54000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":219000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":219000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":72000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":72000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":271000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":199000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":476000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":205000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":662000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":181000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2019-01-01","val":300000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-01-01","val":300000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-01-01","val":300000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-01-01","val":300000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":303000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":341000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":293000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1371000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":1371000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1346000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1220000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1118000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":985000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":848000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2016-03-31","val":12200000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":12100000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":11700000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2017-03-31","val":6200000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6000000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":5700000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2018-03-31","val":300000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":300000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":300000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableCurrent":{"label":"Operating Leases, Future Minimum Payments Receivable, Current","description":"Future rental payments receivable within one year of the balance sheet date under an operating lease.","units":{"USD":[{"end":"2014-12-31","val":829000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2016-12-31","val":979000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":156000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":160000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Five Years","description":"Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2014-12-31","val":1604000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2016-12-31","val":1038000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInFourYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Four Years","description":"Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2014-12-31","val":1604000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2016-12-31","val":1032000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Three Years","description":"Future rental payments receivable within the third year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2014-12-31","val":1580000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2016-12-31","val":1014000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":104000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Two Years","description":"Future rental payments receivable within the second year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2014-12-31","val":1665000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2016-12-31","val":1063000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":110000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":104000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableThereafter":{"label":"Operating Leases, Future Minimum Payments Receivable, Thereafter","description":"Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.","units":{"USD":[{"end":"2014-12-31","val":4938000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2016-12-31","val":1298000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"}]}},"OperatingLeasesRentExpenseNet":{"label":"Operating Leases, Rent Expense, Net","description":"Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":340000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":305000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":305000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":347000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":347000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":347000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":1221000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":1221000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":1221000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":945000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":945000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":1000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":166000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":200000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":200000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"}]}},"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":0.083,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.083,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.083,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.108,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":0.108,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.107,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.108,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.108,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.109,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.109,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2014-12-31","val":311730,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":311730,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":312000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":327248,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":404476,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1347000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":1347000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":1347000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":1347000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":1347000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1385000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1507000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1489000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":979000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":979000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":979000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":979000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":979000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":992000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":926000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":927000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":983000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":983000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":983000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":983000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":983000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":986000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":982000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":981000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":958000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":958000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":958000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":958000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":958000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1262000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1258000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":992000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2236000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":2236000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":2236000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":2236000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":2236000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1993000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2521000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2419000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1883000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":1883000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1744000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","description":"Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":80700,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":81000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":80700,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":81000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":23000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":23000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":23000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":115000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":115000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":115000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":115000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-31000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-31000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":147000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":147000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-32000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-32000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-32000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-22000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-22000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-15000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-15000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":1000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":16000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":16000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-50000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-50000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-50000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-36000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-36000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":26000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":26000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":47000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":47000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":21000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":21000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":43000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":43000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":43000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":68000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":68000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":50000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":50000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":65000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":65000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-3000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-3000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":53000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":53000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-34000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-34000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-11000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":23000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-31000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-20000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":81000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":81000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":23000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":23000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":23000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":115000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":115000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":115000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":115000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-31000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":-31000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":147000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":147000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-32000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":-32000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":-32000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-22000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":-22000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-15000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-15000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":7000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":1000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":16000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":16000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-50000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-50000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-50000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-36000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-36000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":-36000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":-36000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":26000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":26000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":62000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":47000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":47000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":21000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":21000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":43000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":43000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":43000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":18000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":68000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":68000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":50000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":50000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":50000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":50000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":65000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":65000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-3000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-3000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":53000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":53000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-34000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-34000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":-34000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":-34000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-11000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":23000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":23000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-31000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-20000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"OtherIncome":{"label":"Other Income","description":"Amount of revenue and income classified as other.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":64000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":64000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"}]}},"OtherLiabilitiesCurrent":{"label":"Other Liabilities, Current","description":"Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2015-12-31","val":1700000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":1700000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":1700000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-06-30","val":1812000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1877000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":1700000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1654000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1685000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1717000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1695000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":1695000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":1695000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":1695000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":1695000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2019-03-31","val":169000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":200000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":204000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":546000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":546000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":546000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":546000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":546000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":716000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":716000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":722000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":633000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":633000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":625000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"OtherNonoperatingIncomeExpense":{"label":"Other Nonoperating Income (Expense)","description":"Amount of income (expense) related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":-1209000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":-64634,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":-39795,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-2701,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":61933,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-5000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":-5000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-89000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-198278,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-198000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":-108796,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":-109000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-303673,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-303000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":-105395,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":-105000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-300000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-300000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":-300000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":129000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":129000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":250000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":250000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":121000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":121000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":389000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":389000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":139000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":139000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":547000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":547000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":547000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":160000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":160000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":364000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":364000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":204000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":204000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":556000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":556000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":192000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":192000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":716000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":716000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":716000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":230000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":230000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":510000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":510000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":280000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":280000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":785000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":785000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":275000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":275000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1044000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":1044000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":184000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":184000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":525000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":341000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1074000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":549000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1543000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":398000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"}]}},"PaidInKindInterest":{"label":"Paid-in-Kind Interest","description":"Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":158000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2015-01-01","end":"2015-03-31","val":84000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-12-31","val":349000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":64000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"}]}},"ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic":{"label":"Participating Securities, Distributed and Undistributed Earnings (Loss), Basic","description":"Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.","units":{"USD":[{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"}]}},"PaymentsForProceedsFromOtherInvestingActivities":{"label":"Payments for (Proceeds from) Other Investing Activities","description":"Amount of cash (inflow) outflow from investing activities classified as other.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":6000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":-31163,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-7000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":155643,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":1119000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"}]}},"PaymentsForProceedsFromTenantAllowance":{"label":"Payments for (Proceeds from) Tenant Allowance","description":"Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":900000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":900000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":900000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":900000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":900000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-01-02","end":"2016-12-31","val":900000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"}]}},"PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock":{"label":"Payments for Repurchase of Redeemable Convertible Preferred Stock","description":"The cash outflow to reacquire callable preferred stock which is identified as being convertible to another type of financial security.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":54955000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"}]}},"PaymentsForRoyalties":{"label":"Payments for Royalties","description":"The amount of cash paid for royalties during the current period.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":17000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":118000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2015-01-01","end":"2015-03-31","val":65000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":987189,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":987000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":109845,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"PaymentsToAcquireMarketableSecurities":{"label":"Payments to Acquire Marketable Securities","description":"Amount of cash outflow for purchase of marketable security.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":21907562,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":21907000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":108236000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":108236000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":108236000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":52013000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":52013000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":78941000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":78941000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":102882000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":102882000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":117146000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":117146000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":117146000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":40779000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":40779000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":55831000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":55831000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":71099000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":71099000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":89163000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":89163000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":89163000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":7673000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":7673000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17565000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":17565000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":33306000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":33306000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":38010000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":38010000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":38010000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":12282000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":12282000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":40382000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":40382000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":97000000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":97000000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":99726000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":99726000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8927000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":8927000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8927000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":92879000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":145341000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":19012000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2013-01-01","end":"2013-12-31","val":23000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2015-01-01","end":"2015-03-31","val":5000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":61190,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":105000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":111747,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":112000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":269000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":269000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":269000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":650000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":650000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2384000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":2384000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":2889000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":2889000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":2964000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":2964000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":2964000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":3000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":3000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":20000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":20000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":23000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":23000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":23000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":5000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":5000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":6000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":6000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":6000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":6000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":6000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":6000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":6000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":7000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":7000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":14000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":14000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":140000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":140000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":307000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":307000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":282000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":282000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":356000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":369000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":372000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"PreferredStockParOrStatedValuePerShare":{"label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","units":{"USD/shares":[{"end":"2014-12-31","val":0.01,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":0.01,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-09-30","val":0.01,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":0.01,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0.01,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0.01,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0.01,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":0.01,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0.01,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0.01,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0.01,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0.01,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0.01,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0.01,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.01,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0.01,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.01,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.01,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.01,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":0.01,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.01,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.01,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.01,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.01,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":0.01,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.01,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"PreferredStockSharesAuthorized":{"label":"Preferred Stock, Shares Authorized","description":"The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2014-12-31","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":5000000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-09-30","val":5000000,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5000000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":5000000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":5000000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":5000000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":5000000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":5000000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":5000000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":5000000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":5000000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":5000000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":5000000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":5000000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":5000000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5000000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":5000000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":5000000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5000000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":5000000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":5000000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":5000000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":5000000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":5000000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5000000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5000000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5000000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":5000000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":5000000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":5000000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":5000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5000000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5000000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5000000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":5000000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":5000000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":5000000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":5000000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5000000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5000000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5000000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5000000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":5000000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5000000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"PreferredStockSharesIssued":{"label":"Preferred Stock, Shares Issued","description":"Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.","units":{"shares":[{"end":"2014-12-31","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q4I"},{"end":"2015-09-30","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"}]}},"PreferredStockSharesOutstanding":{"label":"Preferred Stock, Shares Outstanding","description":"Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.","units":{"shares":[{"end":"2014-12-31","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-09-30","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":0,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"PreferredStockValue":{"label":"Preferred Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2020-09-30","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"}]}},"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":"2014-12-31","val":311299,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":311299,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":312000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":466031,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1400836,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2331000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":2331000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":2331000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":2331000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":2331000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3823000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2491000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2244000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2110000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":2110000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":2110000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":2110000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":2110000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1769000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1407000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2171000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1768000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":1768000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":1768000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":1768000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":1768000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1688000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1175000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1671000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2237000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":2237000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":2237000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":2237000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":2237000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1364000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1144000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2987000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3881000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":3881000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":3881000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":3881000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":3881000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4877000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3741000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5383000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6444000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":6444000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6603000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"end":"2015-07-21","val":106500000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-07-21","val":106500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-07-21","val":106500000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015Q2I"},{"start":"2015-01-01","end":"2015-09-30","val":106633366,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":106633000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":106524000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":106524000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":106524000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"end":"2019-04-03","val":32200000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-04-03","val":32200000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-04-03","val":32200000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-04-03","val":32200000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-04-01","end":"2019-04-30","val":32200000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-04-01","end":"2019-04-30","val":32200000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-04-30","val":32200000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-04-01","end":"2019-04-30","val":32200000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q1I"},{"start":"2019-01-01","end":"2019-06-30","val":32233000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":32233000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-08-23","val":52300000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-08-23","val":52300000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-08-01","end":"2019-08-31","val":52300000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-08-01","end":"2019-08-31","val":52300000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-08-01","end":"2019-08-31","val":52300000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-08-01","end":"2019-08-31","val":52300000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3I"},{"start":"2019-01-01","end":"2019-09-30","val":84576000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":84576000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"}]}},"ProceedsFromIssuanceOfConvertiblePreferredStock":{"label":"Proceeds from Issuance of Convertible Preferred Stock","description":"The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":38500000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2012-01-01","end":"2012-12-31","val":38500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2012-01-01","end":"2012-12-31","val":38500000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":38500000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2013-01-01","end":"2013-12-31","val":38500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2013-01-01","end":"2013-12-31","val":38500000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2013"}]}},"ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants":{"label":"Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants","description":"Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholder, which takes precedence over common stockholders in the event of liquidation and from issuance of rights to purchase common shares at a predetermined price.","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":35690345,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":35690345,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"}]}},"ProceedsFromSaleAndMaturityOfMarketableSecurities":{"label":"Proceeds from Sale and Maturity of Marketable Securities","description":"The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":500000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":500000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":64605000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":64605000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":101606000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":101606000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":139756000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":139756000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":169006000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":169006000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":169006000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":30772000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":30772000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":50182000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":50182000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":66182000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":66182000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":92898000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":92898000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":92898000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":14777000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":14777000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":29277000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":29277000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":49027000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":49027000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":62227000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":62227000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":62227000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":17250000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":17250000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":31750000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":31750000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":43051000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":43051000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":64376000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":64376000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":36771000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":36771000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":58637000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":73522000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":89871000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":48432000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ProceedsFromSaleOfOtherAssetsInvestingActivities":{"label":"Proceeds from Sale of Other Assets, Investing Activities","description":"Amount of cash inflow from the sale of other assets recognized in investing activities.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":24608,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":-44060,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"}]}},"ProceedsFromSaleOfPropertyPlantAndEquipment":{"label":"Proceeds from Sale of Property, Plant, and Equipment","description":"The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":11000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":10862,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":36264,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":78000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":78000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":11000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":11500,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":12000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":11566,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":12000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":12000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":12000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":12000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":127000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":127000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":137000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":137000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":137000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"}]}},"ProceedsFromShortTermDebt":{"label":"Proceeds from Short-term Debt","description":"The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.","units":{"USD":[{"start":"2019-01-01","end":"2019-09-30","val":1675000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":1675000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1675000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":1675000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"}]}},"ProceedsFromStockOptionsExercised":{"label":"Proceeds from Stock Options Exercised","description":"Amount of cash inflow from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":28000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":1687,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":1687,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":2000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":2000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":410272,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":412000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":29941,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":30000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":684000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":684000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":684000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":578000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":578000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":594000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":594000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":600000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":600000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":600000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":600000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":600000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":1000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":1000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":2000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":2000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":2000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":4000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":4000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":29000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":29000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":39000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":39000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":232000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":232000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":237000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":250000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":279000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":51000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ProceedsFromWarrantExercises":{"label":"Proceeds from Warrant Exercises","description":"The cash inflow associated with the amount received from holders exercising their stock warrants.","units":{"USD":[{"start":"2015-01-01","end":"2015-03-31","val":3000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3429,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":3000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":3429,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":4000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":14000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":14000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":14000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":5000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":5000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":5000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":5000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":5000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":5000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":5000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"}]}},"ProfitLoss":{"label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":-61111000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":-20723000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":-26826000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-26826000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-7043000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-15716000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":-23186000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":-23186000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":-31261000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":-31261000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":-31261000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":-8750000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-16590000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-16590000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":-24273000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":-24273000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":-36320000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-36320000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-15386000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-36514000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":-54971000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":-74779000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-30548000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"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":"2014-12-31","val":1977000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2217000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":2217000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":999000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":999000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":532000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":532000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":512000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":512000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":654000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":654000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1026000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"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":"2014-12-31","val":615242,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":615242,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":615000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":570644,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":573539,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":676000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":676000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":676000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":676000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":676000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1744000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2601000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2415000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":683000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":683000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":683000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":683000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":683000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":646000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":607000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":584000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":193000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":193000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":193000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":193000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":193000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":175000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":153000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":130000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":111000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":111000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":111000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":111000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":111000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":102000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":96000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":209000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":334000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":334000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":334000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":334000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":334000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":590000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":617000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":581000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":534000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":534000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":487000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2015-09-30","val":10507500,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":14100000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":16900000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2016-03-31","val":16900000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2016-03-31","val":16900000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2016-03-31","val":16900000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q1I"}]}},"PurchaseObligationDueInNextTwelveMonths":{"label":"Purchase Obligation, to be Paid, Year One","description":"Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2015-12-31","val":7400000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7400000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"}]}},"ReceivablesNetCurrent":{"label":"Receivables, Net, Current","description":"The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.","units":{"USD":[{"end":"2020-09-30","val":179000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":538000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":538000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1015000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2013-01-01","end":"2013-12-31","val":11088000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"}]}},"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":"2019-01-01","end":"2019-09-30","val":335000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":335000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":837000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":837000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":504000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":504000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":838000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":838000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":838000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"ResearchAndDevelopmentExpense":{"label":"Research and Development Expense","description":"The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":26455000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":2850078,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":1200533,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":4573881,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":1723803,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":11527000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":11527000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2219000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":6377535,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":6377000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":4158749,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":4158000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":10745527,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":10745000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":4367992,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":4368000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":18991000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":18991000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":18991000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":7226000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":7226000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":22005000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":22005000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":14779000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":14779000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":26526000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":26526000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":4521000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":4521000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":31317000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":31317000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":31317000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":4655000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":4655000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":8934000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":8934000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":4279000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":4279000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":13625000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":13625000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":4691000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":4691000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":17948000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":17948000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":17948000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":4863000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":4863000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":11168000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":11168000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":6305000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":6305000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":16630000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":16630000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":5462000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":5462000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":22362000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":22362000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":22362000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":6471000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":6471000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":11993000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":11993000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":5522000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":5522000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":16103000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":16103000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":4110000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":4110000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":22457000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":22457000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8125000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":8125000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":17797000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":9672000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":22320000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":4523000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":26802000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4199000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"RestrictedCash":{"label":"Restricted Cash","description":"Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.","units":{"USD":[{"end":"2020-06-30","val":20000000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":20300000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":20563000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":20563000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":20272000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"RestrictedStockValueSharesIssuedNetOfTaxWithholdings":{"label":"Restricted Stock, Value, Shares Issued Net of Tax Withholdings","description":"Value, after value of shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":12600,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":37800,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":63000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":63000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":63000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":25000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":50000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-12-31","val":101000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":101000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":101000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":101000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":101000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":101000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":25000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":25000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-03-31","val":25000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":26000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":26000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":25000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":101000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":101000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":101000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":16000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":16000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":16000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"}]}},"RestructuringAndRelatedCostIncurredCost":{"label":"Restructuring and Related Cost, Incurred Cost","description":"Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.","units":{"USD":[{"start":"2016-01-01","end":"2016-06-30","val":6537000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":6537000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":6537000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":6537000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":7574000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":7574000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":1037000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":1037000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":8179000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":8179000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":8179000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":1038000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-1038000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":-1038000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"}]}},"RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent":{"label":"Restructuring and Related Cost, Number of Positions Eliminated, Period Percent","description":"The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).","units":{"pure":[{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-06-01","end":"2016-06-30","val":0.33,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016Q2I"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2016-08-01","end":"2016-08-31","val":0.44,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2016Q3I"}]}},"RestructuringCharges":{"label":"Restructuring Charges","description":"Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.","units":{"USD":[{"start":"2016-01-01","end":"2016-06-30","val":6537000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":6537000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":6537000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":6500000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-04-01","end":"2016-06-30","val":6537000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":7574000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":7574000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":1037000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":1037000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":8179000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":8200000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":8200000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":8179000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":8179000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-01-02","end":"2016-12-31","val":8200000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":1038000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":1038000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":1038000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"}]}},"RestructuringReserveCurrent":{"label":"Restructuring Reserve, Current","description":"Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.","units":{"USD":[{"end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-06-30","val":6005000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1339000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":283000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":283000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":283000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":283000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":283000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2016-12-31","val":283000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2016-12-31","val":283000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2016Q4I"},{"end":"2017-03-31","val":144000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":57000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"}]}},"RestructuringReserveSettledWithoutCash2":{"label":"Restructuring Reserve, Settled without Cash","description":"Amount of decrease in the reserve for full or partial settlement through consideration other than cash.","units":{"USD":[{"start":"2016-01-01","end":"2016-06-30","val":379000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":379000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":379000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":379000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":670000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":670000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":291000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":291000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1474000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":1474000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":1474000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":1474000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2014-12-31","val":-81508074,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":-81508074,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":-81508000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":-93525111,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-102883696,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-117416000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":-117416000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":-117416000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":-117416000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":-117416000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":-134596000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-161259000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-170632000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-178527000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":-178527000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":-178527000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":-178527000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":-178527000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":-185547000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":-192401000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":-199250000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":-205353000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":-205353000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":-205353000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":-205353000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":-205353000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":-212396000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":-221069000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":-228539000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":-236614000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":-236614000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":-236614000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":-236614000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":-236614000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":-245364000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":-253204000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":-260887000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":-272934000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":-272934000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":-272934000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":-272934000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":-272934000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":-288320000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":-309448000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":-327905000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":-347713000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":-347713000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":-378261000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"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":"2020-01-01","end":"2020-09-30","val":142000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":142000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1106000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1924000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability":{"label":"Right-of-Use Asset Obtained in Exchange for Operating Lease Liability","description":"Amount of increase in right-of-use asset obtained in exchange for operating lease liability.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":27000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":27000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":113000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":113000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":86000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":86000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":113000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":113000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":1690000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":1690000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":94000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":94000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":94000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":122000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":28000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":122000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"SecurityDeposit":{"label":"Security Deposit","description":"The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.","units":{"USD":[{"end":"2015-09-30","val":38135,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2019-10-31","val":100000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q3I"}]}},"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":"2013-01-01","end":"2013-12-31","val":8065000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":1501695,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":547377,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1514708,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":13013,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":3469000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":3469000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1931000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":5367753,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":5368000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":3436543,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":3437000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":10181411,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":10182000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":4813658,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":4814000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":16456000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":16456000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":9994000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":15386000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":5392000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":19267000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":3881000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":21815000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2018-01-01","end":"2018-12-31","val":9974000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":9210000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":4116000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":15122000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":7582000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-09-30","val":31295000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":13048000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":44892000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":15698000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"SeveranceCosts1":{"label":"Severance Costs","description":"Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.","units":{"USD":[{"start":"2013-03-01","end":"2013-03-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013Q1I"},{"start":"2013-01-01","end":"2013-12-31","val":600000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":500000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2016-01-01","end":"2016-06-30","val":1465000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":1465000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":1465000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":1465000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2211000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":2211000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":746000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":746000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":2211000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":2211000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":2200000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2016-01-02","end":"2016-12-31","val":2200000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":745000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":508905,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-09-30","val":593655,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":756000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":756000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":221000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":871821,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":872000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-09-30","val":1883524,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":1883000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":3258000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1760000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":1760000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2057000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":2057000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":2813000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":2813000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":3346000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":719000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":719000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2215000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":2215000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":2886000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":2886000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":3522000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":637000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1365000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":1365000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":2100000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":2100000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":2730000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":622000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1249000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":1249000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":2193000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":2193000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":3270000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":3270000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1162000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2497000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":3813000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":5020000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1372000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate","description":"The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate","description":"The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.85,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0.85,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":0.85,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0.84,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":0.8,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0.8,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.8,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0.8,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.75,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":0.75,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":0.75,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.75,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":0.75,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":0.75,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0.75,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0.75,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.75,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0.75,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":0.75,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.75,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":0.75,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":0.75,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":0.75,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":0.75,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.75,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.75,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0.74,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":0.74,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":0.74,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":0.74,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.74,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.74,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.74,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0.765,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":0.77,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.766,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":0.77,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0.766,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.77,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.77,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0.77,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.77,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1.01,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":1.01,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.98,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0.98,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":0.97,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":0.97,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0.97,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0.97,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.85,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0.85,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0.85,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0.85,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":0.85,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.94,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate","description":"The risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.0108,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0.0132,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":0.0132,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0.0146,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":0.0198,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0.0179,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0.0179,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0.0175,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.017,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":0.017,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":0.017,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0.0171,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":0.0171,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":0.0178,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":0.0171,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0.0171,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0.0171,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0.0144,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":0.0144,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0.0142,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":0.0142,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":0.0142,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":0.0142,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":0.0145,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0.0145,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0.0145,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0.0179,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":0.0179,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":0.0181,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":0.0181,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.0181,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.0181,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.0181,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0.0271,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":0.0271,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0.0272,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":0.0272,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":0.0272,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.0272,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0.0272,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":0.0272,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":0.0272,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0.0252,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":0.0252,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.0209,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":0.0209,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":0.0203,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":0.0203,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":0.0193,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":0.0193,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.0144,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":0.0144,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0.0111,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":0.0097,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":0.0093,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.0064,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized","description":"Number of shares authorized for issuance under share-based payment arrangement.","units":{"shares":[{"end":"2015-12-31","val":6153533,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":7114037,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7114037,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7114037,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":7114037,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-03-31","val":7114037,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":7114037,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7114037,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":7114037,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-03-31","val":7114037,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":7114037,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":7114037,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7114037,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-03-31","val":8092282,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8092282,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":8092282,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8092282,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":9775418,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":9775418,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9775418,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9775418,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":12088041,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant","description":"The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.","units":{"shares":[{"end":"2015-12-31","val":2034242,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1967346,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2613690,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3547958,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3169001,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3250470,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3179265,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3172219,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3190015,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2448616,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2357616,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2360796,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2351592,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2838208,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1798425,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1498725,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1021108,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1598475,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1511498,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1179160,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1033460,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1618308,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number","description":"The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.","units":{"shares":[{"end":"2015-06-30","val":874499,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":995529,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1019864,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1309454,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2250316,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2992198,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":3537464,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4774332,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price","description":"The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.","units":{"USD/shares":[{"end":"2015-06-30","val":1.57,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1.8,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4.26,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4.68,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4.77,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":4.82,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4.98,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value","description":"Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":1000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":1800000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":1800000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":3500000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":3500000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":40000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":40000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":40000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":200000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":200000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":200000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":1000000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":700000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period","description":"Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.","units":{"shares":[{"start":"2015-01-01","end":"2015-09-30","val":2849,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":6017,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2337507,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":137764,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":11326,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":27504,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":211716,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period","description":"The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.","units":{"shares":[{"start":"2015-01-01","end":"2015-06-30","val":2508,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2016-04-01","end":"2016-06-30","val":766000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":766000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":1718000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":1718000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross","description":"Gross number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2015-01-01","end":"2015-03-31","val":123000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-04-30","val":1507234,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-06-30","val":2258417,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":2258000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-06-01","end":"2015-06-30","val":628539,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"start":"2015-01-01","end":"2015-09-30","val":2613417,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":2613000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":2829967,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1044000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":1044000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1164000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":1164000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":1164000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":1164000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":2163252,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":104000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":104000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":117000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":117000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":116750,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":749000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":749000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":840000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":840000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":840000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":840000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":849749,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":492000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":492000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1533000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":1533000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":1832000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":1832000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":2336233,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1158900,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":1158900,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1736900,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":2135300,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":2307500,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1664515,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2013-01-01","end":"2013-12-31","val":3.2,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2.63,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":2.63,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2.65,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-04-30","val":3.72,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-06-30","val":4.15,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":4.15,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":4.24,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2"},{"start":"2015-06-01","end":"2015-06-30","val":5.47,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"start":"2015-01-01","end":"2015-09-30","val":6.12,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":6.12,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":18.69,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":6.76,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":6.76,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":6.76,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":7.08,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":7.08,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":6.69,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":6.69,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":6.69,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":6.69,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":4.38,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":4.38,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":4.38,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0.86,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":0.86,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":0.95,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":0.95,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.95,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0.95,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0.95,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1.05,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":1.05,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1.04,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":1.04,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-09-30","val":1.04,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":1.04,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":1.06,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":1.06,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":1.06,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2.99,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":2.99,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":5.19,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":5.19,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-09-30","val":5.05,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":5.05,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":4.79,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":4.79,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3.35,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":3.35,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":3.32,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":3.36,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-12-31","val":3.32,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3.39,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value","description":"Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.","units":{"USD":[{"end":"2014-12-31","val":2466647,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":2466647,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":2466647,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":41568280,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":55638661,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":53093022,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":53093022,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":779340,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":779340,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":668434,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":668434,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3140879,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-01-01","val":3140879,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":8166882,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":8166882,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":5611109,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number","description":"Number of options outstanding, including both vested and non-vested options.","units":{"shares":[{"end":"2014-12-31","val":1501062,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":1501062,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":1501062,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":3632210,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3985895,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4119291,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":4119291,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4865764,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":4210999,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3273844,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3652801,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":3652801,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3571332,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3642537,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3632340,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3609766,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":3609766,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":4348776,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4437387,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4390047,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4373674,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":4373674,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4831464,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5487137,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6085026,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6489692,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":6489692,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7408536,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7916922,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8243861,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":8378060,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9965594,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price","description":"Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.","units":{"USD/shares":[{"end":"2014-12-31","val":2.04,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":2.04,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":2.04,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":4.56,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6.63,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7.48,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":7.48,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4.95,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":4.95,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4.71,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":4.71,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4.16,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":4.16,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":5.01,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":5.01,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4.98,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2015-06-30","val":41568280,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":55638661,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":53093022,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":779340,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":668434,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3140879,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":8166882,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":5611109,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number","description":"Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2015-06-30","val":3632210,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3985895,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4119291,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":3652801,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":3609766,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4373674,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":6489692,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":8378060,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2015-06-30","val":4.56,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":6.63,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7.48,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4.95,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4.71,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4.16,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":5.01,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4.98,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost":{"label":"Share-based Payment Arrangement, Plan Modification, Incremental Cost","description":"An excess of the fair value of the modified award over the fair value of the award immediately before the modification.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":100000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":400000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":400000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","description":"Weighted average price at which option holders acquired shares when converting their stock options into shares.","units":{"USD/shares":[{"start":"2015-01-01","end":"2015-06-30","val":3.29,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":3.28,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":2.86,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2.05,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.09,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.49,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.26,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1.35,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.","units":{"USD/shares":[{"start":"2015-01-01","end":"2015-09-30","val":4.04,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":2.92,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":11.28,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":9.18,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":4.38,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":2.62,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":5.47,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.","units":{"USD/shares":[{"start":"2015-01-01","end":"2015-06-30","val":3.96,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price","description":"Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.","units":{"USD/shares":[{"start":"2015-04-01","end":"2015-04-30","val":5.57,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q1I"},{"start":"2015-01-01","end":"2015-06-30","val":6.16,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-06-01","end":"2015-06-30","val":8.13,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"start":"2015-01-01","end":"2015-09-30","val":9.11,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":10.03,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":6.58,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1.48,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":1.54,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":6.17,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":4.63,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value","description":"Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.","units":{"USD":[{"end":"2013-12-31","val":28000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":12620206,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17996536,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":17917555,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":769931,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":632034,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1692857,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":5433126,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4634332,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"SharesIssuedPricePerShare":{"label":"Shares Issued, Price Per Share","description":"Per share or per unit amount of equity securities issued.","units":{"USD/shares":[{"end":"2015-07-21","val":16,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-07-21","val":16,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-07-21","val":16,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015Q2I"},{"end":"2019-04-02","val":4.75,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-04-02","val":4.75,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-04-02","val":4.75,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-04-02","val":4.75,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q1I"},{"end":"2019-04-03","val":4.75,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-04-03","val":4.75,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-04-03","val":4.75,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-04-03","val":4.75,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-04-30","val":4.75,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-04-30","val":4.75,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-04-30","val":4.75,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-04-30","val":4.75,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2019-07-30","val":5.5,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-07-30","val":5.5,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q2I"},{"end":"2019-08-23","val":5.5,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-08-23","val":5.5,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-08-31","val":5.5,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-08-31","val":5.5,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-08-31","val":5.5,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-08-31","val":5.5,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3I"}]}},"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":"2019-09-30","val":1340000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":838000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":838000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q4I"},{"end":"2020-03-31","val":335000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"}]}},"StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants":{"label":"Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants","description":"Value of preferred stock and warrants for common stock issued.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":2051000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":774000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":774000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":1477378,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":1477378,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":1477000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":1477000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":1477000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2012-12-31","val":-68102000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2012Q4I"},{"end":"2013-12-31","val":-70635000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2013-12-31","val":-70635000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2013Q4I"},{"end":"2014-12-31","val":-72018004,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":-72018004,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":-72018000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2014-12-31","val":-72018000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2014-12-31","val":-72018000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2014Q4I"},{"end":"2015-06-30","val":-81927087,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":155341606,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2015-12-31","val":142816000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2015Q4I"},{"end":"2016-03-31","val":128114000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":101794000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":93063000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2016-12-31","val":85725000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2016Q4I"},{"end":"2017-03-31","val":79427000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":74101000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":67966000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2017-12-31","val":62474000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2017-12-31","val":62474000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2017Q4I"},{"end":"2018-03-31","val":56057000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2018-03-31","val":56057000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-03-31","val":56057000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-03-31","val":56057000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q1I"},{"end":"2018-06-30","val":48200000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"end":"2018-06-30","val":48200000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-06-30","val":48200000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q2I"},{"end":"2018-09-30","val":41515000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"end":"2018-09-30","val":41515000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3I"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2018-12-31","val":34124000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2018-12-31","val":34124000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018Q4I"},{"end":"2019-03-31","val":26033000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-03-31","val":26033000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-03-31","val":26033000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-03-31","val":26033000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-03-31","val":26033000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-03-31","val":26033000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1I"},{"end":"2019-06-30","val":51129000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-06-30","val":51129000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-06-30","val":51129000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-06-30","val":51129000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2I"},{"end":"2019-09-30","val":96740000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-09-30","val":96740000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":85769000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":85769000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":85769000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2019-12-31","val":85769000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":85769000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2019-12-31","val":85769000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2019Q4I"},{"end":"2020-03-31","val":71743000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2020-03-31","val":71743000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2020-03-31","val":71743000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2020-03-31","val":71743000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1I"},{"end":"2020-06-30","val":51978000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"end":"2020-06-30","val":51978000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q2I"},{"end":"2020-09-30","val":110338000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":91785000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04"},{"end":"2020-12-31","val":91785000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q4I"},{"end":"2021-03-31","val":62688000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"StockholdersEquityNoteStockSplitConversionRatio1":{"label":"Stockholders' Equity Note, Stock Split, Conversion Ratio","description":"Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.","units":{"pure":[{"end":"2015-06-30","val":0.109505,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q2I"}]}},"StockIssuedDuringPeriodSharesNewIssues":{"label":"Stock Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"end":"2019-04-02","val":6315790,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"end":"2019-04-02","val":6315790,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"end":"2019-04-02","val":6315790,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-04-02","val":6315790,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-04-01","end":"2019-04-30","val":7263158,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-04-01","end":"2019-04-30","val":7263158,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-04-30","val":7263158,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-04-01","end":"2019-04-30","val":7263158,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q1I"},{"end":"2019-07-30","val":10000000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2019-07-30","val":10000000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q2I"},{"start":"2019-08-01","end":"2019-08-31","val":10166427,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-08-01","end":"2019-08-31","val":10166427,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-08-01","end":"2019-08-31","val":10166427,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-08-01","end":"2019-08-31","val":10166427,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q3I"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2015-01-01","end":"2015-06-30","val":124761,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":125735,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":126000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":205721,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":281000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":289000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":292000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":292000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":292235,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-09-30","val":17000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":17000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":22021,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":5000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":49000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":74515,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":192711,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":207416,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"StockIssuedDuringPeriodValueConversionOfConvertibleSecurities":{"label":"Stock Issued During Period, Value, Conversion of Convertible Securities","description":"The gross value of stock issued during the period upon the conversion of convertible securities.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":139016740,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":139017000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":139017000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":139017000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","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":"2015-01-01","end":"2015-09-30","val":106523521,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":106524000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":106524000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":106524000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2019-04-01","end":"2019-06-30","val":32233000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":32233000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":32233000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":52343000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":84576000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":2000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":2000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":28072,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":29941,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":684000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":684000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":684000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":578000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":594000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-12-31","val":600000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":600000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":600000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":2000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":2000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-07-01","end":"2018-09-30","val":4000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":37000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":26000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":26000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-04-01","end":"2019-06-30","val":26000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":26000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":10000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":10000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":50000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":232000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":232000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-03-31","val":232000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":232000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":5000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":5000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":13000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":279000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":51000,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"TemporaryEquityAccretionToRedemptionValue":{"label":"Temporary Equity, Accretion to Redemption Value","description":"Value of accretion of temporary equity to its redemption value during the period.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":38504000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"}]}},"TemporaryEquityAccretionToRedemptionValueAdjustment":{"label":"Temporary Equity, Accretion to Redemption Value, Adjustment","description":"Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":3034000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":687818,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":348074,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":896559,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":208741,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":904000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":904000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":98000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":286575,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":287000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":189054,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":189000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":317801,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":318000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":31226,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":31000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":318000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":318000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":318000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"}]}},"TemporaryEquityCarryingAmountAttributableToParent":{"label":"Temporary Equity, Carrying Amount, Attributable to Parent","description":"Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2014-12-31","val":104485972,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"end":"2014-12-31","val":104485972,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":104486000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014Q4I"},{"end":"2015-06-30","val":138985514,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2015Q2I"}]}},"UndistributedEarningsOfForeignSubsidiaries":{"label":"Undistributed Earnings of Foreign Subsidiaries","description":"Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.","units":{"USD":[{"end":"2015-12-31","val":800000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2300000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2600000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1700000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2000000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"UnrealizedGainOnSecurities":{"label":"Unrealized Gain on Securities","description":"The increase (decrease), resulting in a gain, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":-89178,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-12-31","val":-53000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":53000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-141000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-143000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":-9000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":7000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":7000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":7000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":7000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2016-01-02","end":"2016-12-31","val":7000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-03-31","val":4000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":2000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":1000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":1000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-12-31","val":1000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-12-31","val":1000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":1000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":1000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":1000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2019-01-01","end":"2019-03-31","val":3000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":53000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":53000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-12-31","val":37000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":37000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2019-01-01","end":"2019-12-31","val":37000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-01-01","end":"2019-12-31","val":37000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":20000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":26000,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-01-01","end":"2020-09-30","val":10000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"}]}},"UnrealizedLossOnSecurities":{"label":"Unrealized Loss on Securities","description":"The increase (decrease), resulting in a loss, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":-1695,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-01-01","end":"2015-12-31","val":-30000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-01-01","end":"2015-12-31","val":30000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-3000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-5000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":-17000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":16000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":16000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2016-01-01","end":"2016-12-31","val":16000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":16000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2016-01-02","end":"2016-12-31","val":16000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-03-31","val":35000,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":25000,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":10000,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":60000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":60000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-12-31","val":60000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-01-01","end":"2017-12-31","val":60000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-01-01","end":"2017-12-31","val":60000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":95000,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":34000,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":13000,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-01-01","end":"2018-12-31","val":16000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1000,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1000,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-09-30","val":4000,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2020-01-01","end":"2020-03-31","val":17000,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-09-30","val":4000,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2013-12-31","val":97000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2013-12-31","val":97000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2013Q4I"},{"end":"2014-12-31","val":246000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2014-12-31","val":241000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2014-12-31","val":241000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2014Q4I"},{"end":"2015-12-31","val":443000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"end":"2015-12-31","val":443000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":443000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"end":"2015-12-31","val":443000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":429000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2015-12-31","val":429000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2015-12-31","val":429000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2015Q4I"},{"end":"2016-03-31","val":511000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":593000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2016Q2I"},{"end":"2016-09-30","val":645000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":460000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"end":"2016-12-31","val":460000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2016-12-31","val":460000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2016-12-31","val":460000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":471000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"end":"2017-12-31","val":471000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2017-12-31","val":471000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2017-12-31","val":471000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2017Q4I"},{"end":"2018-12-31","val":391000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"end":"2018-12-31","val":391000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2018-12-31","val":391000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018Q4I"},{"end":"2019-12-31","val":568000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"end":"2019-12-31","val":568000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019Q4I"},{"end":"2020-12-31","val":539000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020Q4I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities","description":"Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":72000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense":{"label":"Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense","description":"Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":4292,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-01-01","end":"2014-12-31","val":2707,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":3000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":10139,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-09-30","val":12275,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-12-31","val":10000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2015"}]}},"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":"2013-01-01","end":"2013-12-31","val":54000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":137000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":148000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":188000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":188000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":188000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":68000,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":150000,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":202000,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":40000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":40000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":40000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"}]}},"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":"2013-01-01","end":"2013-12-31","val":43000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":16000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":9000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":45000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":45000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":45000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2019-01-01","end":"2019-12-31","val":177000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":177000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":43000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations":{"label":"Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations","description":"Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":4000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":4000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-01","end":"2016-12-31","val":9000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":9000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":9000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":34000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":34000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":34000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":80000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":80000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":80000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019"}]}},"ValuationAllowanceDeferredTaxAssetChangeInAmount":{"label":"Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount","description":"Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":13500000,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":13500000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":24300000,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":24300000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":-9100000,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":-9100000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":8100000,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":8100000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":9400000,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":9400000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1800000,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"}]}},"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":"2013-01-01","end":"2013-12-31","val":42760,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":11175185,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":11196563,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":11146273,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":11082922,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":44017,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":44017,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":72693,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":115213,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":115213,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":158104,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":158104,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":6837272,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":6837272,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":20280385,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":20280385,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":11151978,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":11151978,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":11151978,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":24237629,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":24237629,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":24279580,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":24279580,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":24321069,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":24321069,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":24305916,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":24305916,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":24357730,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":24357730,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":24319443,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":24319443,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":24319443,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":24359584,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":24359584,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":24359584,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":24361479,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":24361479,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":24365207,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":24365207,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":24366681,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":24366681,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":24366681,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":24381924,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":24381924,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":24383123,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":24383123,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":24384283,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":24384283,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":24385328,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":24385328,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":24389666,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":24389666,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":24399706,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":24399706,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":24399706,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":24466617,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":24466617,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":28051856,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":28051856,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":31597698,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":31597698,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":31569731,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":31569731,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":38490768,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":38490768,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":34204284,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":34204284,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":42187694,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":42187694,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":42227601,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":42267507,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":48685024,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":61459491,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":52234945,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":62831141,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2013-01-01","end":"2013-12-31","val":42760,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":43702,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2014-04-01","end":"2014-06-30","val":43848,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":43912,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-07-01","end":"2014-09-30","val":44326,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":44017,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2014-01-01","end":"2014-12-31","val":44017,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":72693,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":115213,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-01-01","end":"2015-06-30","val":115213,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2015-04-01","end":"2015-06-30","val":158104,"accn":"0001193125-15-308241","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-31"},{"start":"2015-04-01","end":"2015-06-30","val":158104,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":6837272,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":6837272,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":20280385,"accn":"0001193125-15-378228","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-07-01","end":"2015-09-30","val":20280385,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":11151978,"accn":"0001193125-16-508691","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-17"},{"start":"2015-01-01","end":"2015-12-31","val":11151978,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":11151978,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":24237629,"accn":"0001193125-16-588878","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":24237629,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":24279580,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-01-01","end":"2016-06-30","val":24279580,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":24321069,"accn":"0001193125-16-679314","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-11"},{"start":"2016-04-01","end":"2016-06-30","val":24321069,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":24305916,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-01-02","end":"2016-09-30","val":24305916,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":24357730,"accn":"0001193125-16-764429","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"start":"2016-07-01","end":"2016-09-30","val":24357730,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":24319443,"accn":"0001193125-17-085487","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":24319443,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2016-01-01","end":"2016-12-31","val":24319443,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":24359584,"accn":"0001193125-17-159851","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"start":"2017-01-01","end":"2017-03-31","val":24359584,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":24359584,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":24359584,"accn":"0001193125-17-254484","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":24359584,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":24361479,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-01-01","end":"2017-09-30","val":24361479,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":24365207,"accn":"0001193125-17-338811","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09"},{"start":"2017-07-01","end":"2017-09-30","val":24365207,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":24366681,"accn":"0001193125-18-089176","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":24366681,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2017-01-01","end":"2017-12-31","val":24366681,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":24381924,"accn":"0001193125-18-159247","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":24381924,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":24383123,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":24383123,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":24384283,"accn":"0001193125-18-244372","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":24384283,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":24385328,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-01-01","end":"2018-09-30","val":24385328,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":24389666,"accn":"0001193125-18-322604","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-08"},{"start":"2018-07-01","end":"2018-09-30","val":24389666,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":24399706,"accn":"0001193125-19-069153","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-08"},{"start":"2018-01-01","end":"2018-12-31","val":24399706,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2018-01-01","end":"2018-12-31","val":24399706,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":24466617,"accn":"0001193125-19-143008","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":24466617,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":28051856,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":28051856,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2019-04-01","end":"2019-06-30","val":31597698,"accn":"0001193125-19-216854","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":31597698,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":31569731,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-01-01","end":"2019-09-30","val":31569731,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":38490768,"accn":"0001193125-19-284741","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":38490768,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":34204284,"accn":"0001193125-20-074902","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":34204284,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":42187694,"accn":"0001193125-20-136301","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":42187694,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":42227601,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10"},{"start":"2020-04-01","end":"2020-06-30","val":42267507,"accn":"0001193125-20-215056","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-10","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":48685024,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":61459491,"accn":"0001193125-20-286853","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":52234945,"accn":"0001564590-21-010965","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":62831141,"accn":"0001564590-21-023643","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1"}]}}}}}