Borrowings - Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Consolidated \| Payables to Securitization Holders
Debt Instrument [Line Items]
Restricted cash	$ 3,400	$ 5,700
PPPLF
Debt Instrument [Line Items]
Interest rates	0.35%
Aggregate debt outstanding	$ 6,398	64,154
Retail notes, certificates and secured borrowings
Debt Instrument [Line Items]
Aggregate debt outstanding	10,488	55,425
Payable on Structured Program borrowings
Debt Instrument [Line Items]
Aggregate debt outstanding	2,468	8,085
PPPLF
Debt Instrument [Line Items]
Financial instruments, owned, at fair value	6,392	66,971
Payable on Structured Program borrowings
Debt Instrument [Line Items]
Financial instruments, owned, at fair value	3,930	9,708
Other long-term debt \| Consolidated \| Loans Held for Investment and Loans Held for Sale \| Payables to Securitization Holders
Debt Instrument [Line Items]
Financial instruments, owned, at fair value	$ 500	$ 4,000

Contractual interest rate for funds borrowed, under the debt agreement.

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