Change in Accounting Principle (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jan. 01, 2020	Jun. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Purchase price	$ 3,514,165	$ 164,499	$ 437,736
Allowance for credit losses	125,757,689	1,052,320	2,621,358
Noncredit discount	3,240,131	168,388	394,710
Face value	132,511,985	1,385,207	3,453,804
Writeoffs, net	(125,757,689)
Expected recoveries	3,514,165	264,927	501,583
Initial negative allowance for expected recoveries	$ 3,514,165	$ 3,351,532	$ 3,351,532	$ 3,408,074	$ 3,514,165