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Other Assets - Schedule of Aggregate Carrying Value of REO Properties (Details) $ in Thousands | Sep. 30, 2024 USD ($) property | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) property | Sep. 30, 2023 USD ($) property | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | --- | --- | --- | --- | ---
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 127,097 | $ 108,013 | $ 110,174 | $ 113,090 | $ 119,996 | $ 130,605
Number of properties | property | 411 |  |  | 320 |  |
Wholly Owned Properties |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 127,097 |  | $ 110,174 |  |  |
Number of properties | property | 411 |  | 300 |  |  |
Wholly Owned Properties | Business purpose loans |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 62,693 |  | $ 28,328 |  |  |
Wholly Owned Properties | Non-QM loans |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | 1,652 |  | 3,374 |  |  |
Wholly Owned Properties | Legacy RPL/NPL loans |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Total | $ 62,752 |  | $ 78,472 |  |  |

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