Other Assets - Schedule of Aggregate Carrying Value of REO Properties (Details) $ in Thousands	Mar. 31, 2026 USD ($) property	Dec. 31, 2025 USD ($) property	Mar. 31, 2025 USD ($) property	Dec. 31, 2024 USD ($)
Real Estate Properties [Line Items]
Total	$ 138,651	$ 135,035	$ 130,634	$ 130,854
Wholly Owned Properties
Real Estate Properties [Line Items]
Total	$ 138,651	$ 135,035
Number of properties \| property	302	322	402
Wholly Owned Properties \| Non-QM loans
Real Estate Properties [Line Items]
Total	$ 12,192	$ 12,066
Wholly Owned Properties \| Business purpose loans
Real Estate Properties [Line Items]
Total	79,791	80,822
Wholly Owned Properties \| Legacy RPL/NPL loans
Real Estate Properties [Line Items]
Total	$ 46,668	$ 42,147

Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.