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For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2013-12-31","val":39780000,"accn":"0001564590-15-002053","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27","frame":"CY2013Q4I"},{"end":"2014-12-31","val":40045000,"accn":"0001564590-15-002053","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27"},{"end":"2014-12-31","val":40045000,"accn":"0001564590-15-004254","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":40045000,"accn":"0001564590-15-007174","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":40045000,"accn":"0001564590-15-010764","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"end":"2014-12-31","val":40045000,"accn":"0001564590-16-015282","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-25","frame":"CY2014Q4I"},{"end":"2015-03-31","val":40123000,"accn":"0001564590-15-004254","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":40173000,"accn":"0001564590-15-007174","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":40238000,"accn":"0001564590-15-010764","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16","frame":"CY2015Q3I"},{"end":"2015-12-31","val":40327000,"accn":"0001564590-16-015282","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-25"},{"end":"2015-12-31","val":40327000,"accn":"0001564590-16-019444","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":40327000,"accn":"0001564590-16-024153","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"end":"2015-12-31","val":40327000,"accn":"0001564590-16-029132","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":40327000,"accn":"0001564590-17-005122","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-23","frame":"CY2015Q4I"},{"end":"2016-03-31","val":40411000,"accn":"0001564590-16-019444","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":40492000,"accn":"0001564590-16-024153","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12","frame":"CY2016Q2I"},{"end":"2016-09-30","val":40553000,"accn":"0001564590-16-029132","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":40629000,"accn":"0001564590-17-005122","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-23"},{"end":"2016-12-31","val":40629000,"accn":"0001564590-17-010690","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12"},{"end":"2016-12-31","val":40629000,"accn":"0001564590-17-017339","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11"},{"end":"2016-12-31","val":40629000,"accn":"0001564590-17-023476","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"end":"2016-12-31","val":40629000,"accn":"0001564590-18-006661","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-23","frame":"CY2016Q4I"},{"end":"2017-03-31","val":40673000,"accn":"0001564590-17-010690","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12","frame":"CY2017Q1I"},{"end":"2017-06-30","val":40722000,"accn":"0001564590-17-017339","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2017Q2I"},{"end":"2017-09-30","val":40758000,"accn":"0001564590-17-023476","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13","frame":"CY2017Q3I"},{"end":"2017-12-31","val":40843000,"accn":"0001564590-18-006661","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-23"},{"end":"2017-12-31","val":40843000,"accn":"0001564590-18-013163","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-11","frame":"CY2017Q4I"},{"end":"2018-03-31","val":41267000,"accn":"0001564590-18-013163","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-11","frame":"CY2018Q1I"}]}},"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":"2012-12-31","val":26230000,"accn":"0001193125-13-259047","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-06-14"},{"end":"2012-12-31","val":26230000,"accn":"0001193125-13-333863","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14"},{"end":"2012-12-31","val":26230000,"accn":"0001193125-13-440123","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-13"},{"end":"2012-12-31","val":26230000,"accn":"0001193125-14-120811","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":39696000,"accn":"0001193125-13-259047","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-06-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":39724000,"accn":"0001193125-13-333863","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2013Q2I"},{"end":"2013-09-30","val":39757000,"accn":"0001193125-13-440123","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-13","frame":"CY2013Q3I"},{"end":"2013-12-31","val":39780000,"accn":"0001193125-14-120811","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":39780000,"accn":"0001193125-14-198425","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-14"},{"end":"2013-12-31","val":39780000,"accn":"0001193125-14-307634","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-13"},{"end":"2013-12-31","val":39780000,"accn":"0001564590-14-005786","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14","frame":"CY2013Q4I"},{"end":"2014-03-31","val":39844000,"accn":"0001193125-14-198425","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-14","frame":"CY2014Q1I"},{"end":"2014-06-30","val":39907000,"accn":"0001193125-14-307634","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-13","frame":"CY2014Q2I"},{"end":"2014-09-30","val":39968000,"accn":"0001564590-14-005786","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14","frame":"CY2014Q3I"}]}},"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 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shortages.","units":{"USD":[{"end":"2012-12-31","val":13000000,"accn":"0001193125-14-120811","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":44600000,"accn":"0001193125-14-120811","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":44600000,"accn":"0001564590-15-002053","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27","frame":"CY2013Q4I"},{"end":"2014-12-31","val":62500000,"accn":"0001564590-15-002053","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27"},{"end":"2014-12-31","val":62472000,"accn":"0001564590-16-015282","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-25","frame":"CY2014Q4I"},{"end":"2015-12-31","val":74725000,"accn":"0001564590-16-015282","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-25"},{"end":"2015-12-31","val":74725000,"accn":"0001564590-16-019444","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":74725000,"accn":"0001564590-16-024153","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"end":"2015-12-31","val":74725000,"accn":"0001564590-16-029132","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":74725000,"accn":"0001564590-17-005122","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-23","frame":"CY2015Q4I"},{"end":"2016-03-31","val":44875000,"accn":"0001564590-16-019444","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":37900000,"accn":"0001564590-16-024153","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12","frame":"CY2016Q2I"},{"end":"2016-09-30","val":70688000,"accn":"0001564590-16-029132","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":68164000,"accn":"0001564590-17-005122","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-23"},{"end":"2016-12-31","val":68164000,"accn":"0001564590-17-010690","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12"},{"end":"2016-12-31","val":68164000,"accn":"0001564590-17-017339","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11"},{"end":"2016-12-31","val":68164000,"accn":"0001564590-17-023476","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"end":"2016-12-31","val":68164000,"accn":"0001564590-18-006661","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-23","frame":"CY2016Q4I"},{"end":"2017-03-31","val":74364000,"accn":"0001564590-17-010690","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12","frame":"CY2017Q1I"},{"end":"2017-06-30","val":82400000,"accn":"0001564590-17-017339","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2017Q2I"},{"end":"2017-09-30","val":44439000,"accn":"0001564590-17-023476","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13","frame":"CY2017Q3I"},{"end":"2017-12-31","val":24625000,"accn":"0001564590-18-006661","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-23"},{"end":"2017-12-31","val":24625000,"accn":"0001564590-18-013163","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-11","frame":"CY2017Q4I"},{"end":"2018-03-31","val":40025000,"accn":"0001564590-18-013163","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-11","frame":"CY2018Q1I"}]}},"AllowanceForLoanAndLeaseLossesProvisionForLossNet":{"label":"Allowance 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