Investment in receivables, net - Allowance for expected recoveries (Details) - Investments in receivables, net - USD ($) $ in Thousands		12 Months Ended
	Dec. 03, 2024	Dec. 31, 2025	Dec. 31, 2024
Investment in receivables, net
Purchase price		$ 832,077	$ 723,253
Purchase price			497,189
Allowance for credit losses	$ 251,300	11,496,126	8,161,280
Amortized cost		12,328,203	8,658,469
Noncredit discount		702,539	540,042
Face value		13,030,742	9,198,511
Write-off of amortized cost		(12,328,203)	(8,658,469)
Write-off of noncredit discount		(702,539)	(540,042)
Negative allowance		832,077	497,189
Negative allowance for expected recoveries		$ 832,077	723,300
Negative allowance for expected recoveries			$ 497,189