Finance Receivables - Schedule of Transfer​ of​ Financial​ Assets, off Balance sheet VEI's Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Financing Receivable, Allowance for Credit Losses
Principal Balances	$ 1,870,648	$ 8,200,299	$ 1,870,648	$ 8,200,299	$ 7,689,477
Credit Losses	(301,499)	57,977	(198,427)	175,017
30+ Day Delinquent
Financing Receivable, Allowance for Credit Losses
Principal Balances	9,815	$ 164,795	9,815	$ 164,795	$ 182,215
Managed portfolio
Financing Receivable, Allowance for Credit Losses
Credit Losses	32,058		136,773
Managed portfolio | 30+ Day Delinquent
Financing Receivable, Allowance for Credit Losses
Principal Balances	275,380		275,380
Owned portfolio
Financing Receivable, Allowance for Credit Losses
Credit Losses	30,341		135,056
Owned portfolio | 30+ Day Delinquent
Financing Receivable, Allowance for Credit Losses
Principal Balances	242,408		242,408
Off-balance sheet portfolio
Financing Receivable, Allowance for Credit Losses
Credit Losses	1,717		1,717
Off-balance sheet portfolio | 30+ Day Delinquent
Financing Receivable, Allowance for Credit Losses
Principal Balances	$ 32,972		$ 32,972