Securitized Debt and Securitized Debt at Fair Value - Summary of Securitized Debt and Securitized Debt at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Securitized debt, net	$ 2,418,811	$ 2,736,290
Securitized debt at fair value	877,417
Total securitized debt	3,296,228	2,736,290
Securitized debt
Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Securitized debt, net	2,458,439
Securitized debt at fair value	876,704
Total securitized debt	3,335,143
Unpaid Principal Balance
Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Securitized debt, net		2,788,908
Total securitized debt		2,788,908
Valuation Adjustments on FVO Securitized Debt
Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Securitized debt at fair value	713
Total securitized debt	713
Deferred Issuance Costs and Discounts
Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Securitized debt, net	(39,628)	(52,618)
Total securitized debt	$ (39,628)	$ (52,618)