Securitized Debt - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Debt Instrument [Line Items]
Gains (losses) on extinguishment of debt	$ 2,122	$ 0
Variable Interest Entities, Primary Beneficiary | Non-Agency RMBS | Securitized Loans
Debt Instrument [Line Items]
Principal balance	$ 110,000		$ 110,000
Weighted average cost of financing (as a percent)	6.70%		6.70%
Variable Interest Entities, Primary Beneficiary | Securitized debt | Securitized Loans
Debt Instrument [Line Items]
Principal balance	$ 7,800,000		$ 7,600,000
Weighted average cost of financing (as a percent)	3.60%		3.50%
Acquired securitized debt collateral outstanding principal balance	$ 314,000
Repurchase of non retained secured debt	312,000
Gains (losses) on extinguishment of debt	$ 2,000