Investment in Receivable Portfolios, Net - Establishment of Negative Allowance (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Receivables [Abstract]
Purchase price	$ 274,325	$ 173,007	$ 550,756	$ 342,512
Allowance for credit losses	690,501	768,932	1,350,145	1,119,118
Amortized cost	964,826	941,939	1,900,901	1,461,630
Noncredit discount	1,049,233	907,249	2,054,454	1,564,307
Face value	2,014,059	1,849,188	3,955,355	3,025,937
Write-off of amortized cost	(964,826)	(941,939)	(1,900,901)	(1,461,630)
Write-off of noncredit discount	(1,049,233)	(907,249)	(2,054,454)	(1,564,307)
Negative allowance	274,325	173,007	550,756	342,512
Negative allowance for expected recoveries - current period purchases	$ 274,325	$ 173,007	$ 550,756	$ 342,512