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Other Assets - Schedule of Aggregate Carrying Value of REO Properties (Details) $ in Thousands | Sep. 30, 2025 USD ($) property | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) property | Sep. 30, 2024 USD ($) property | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | --- | --- | --- | --- | ---
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 138,121 | $ 135,824 | $ 130,854 | $ 127,097 | $ 108,013 | $ 110,174
Wholly Owned Properties |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 138,121 |  | $ 130,854 |  |  |
Number of properties | property | 373 |  | 416 | 411 |  |
Wholly Owned Properties | Non-QM loans |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 8,280 |  | $ 1,278 |  |  |
Wholly Owned Properties | Business purpose loans |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | 84,585 |  | 71,090 |  |  |
Wholly Owned Properties | Legacy RPL/NPL loans |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 45,256 |  | $ 58,486 |  |  |

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