Securitized Debt and Securitized Debt at Fair Value - Summary of Effective Interest Rate of Securitized Debt and Securitized Debt at Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Average outstanding unpaid principal balance	$ 3,113,500	$ 2,458,332
Effective interest rate	5.29%	4.49%
Securitized debt
Debt Instrument [Line Items]
Interest expense - portfolio related	$ 164,742	$ 110,268