Variable Interest Entities - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Loans (at fair value)	$ 837,565	$ 1,010,421
Notes receivable and residual certificates	3,900
Restricted cash	66,221	110,056
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Restricted cash	$ 7,100	7,100
Variable Interest Entity, Not Primary Beneficiary | Notes receivable and residual certificates (at fair value)
Variable Interest Entity [Line Items]
Loans (at fair value)		$ 6,200