Investment in Receivable Portfolios, Net - Establishment of Negative Allowance (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2020	Mar. 31, 2020	Mar. 31, 2019
Receivables [Abstract]
Purchase price		$ 214,113
Allowance for credit losses	$ 79,028,043	521,194
Amortized cost		735,307
Noncredit discount	132,533,142	967,715
Face value	214,889,335	1,703,022
Write-off of amortized cost	(82,356,193)	(735,307)
Write-off of noncredit discount	(132,533,142)	(967,715)
Negative allowance	$ (3,328,150)	(214,113)
Negative allowance for expected recoveries - current period purchases		$ 214,113	$ 262,335