Purchased Receivables - Narrative (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2024 USD ($) purchased_receivable	Dec. 31, 2023 USD ($) purchased_receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term of purchased receivables (less than)	1 year
Number of purchased receivables past due | purchased_receivable	0	0
Number of restructured purchased receivables | purchased_receivable	0	0
Number of nonperforming purchased receivables | purchased_receivable	1	1
Purchased receivables, net	$ 37,698,000	$ 36,842,000
Purchased Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchased receivables, net	37,698,000	36,842,000
Activity in the ACL	0	0
ACL for purchased receivables	0	0
Purchased Receivables | Nonperforming Financial Instruments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchased receivables, net	$ 183,000	$ 808,000