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Other Assets - Real Estate Owned and Commercial REO (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) property | Dec. 31, 2022 USD ($) property | Dec. 31, 2021 USD ($)
Real Estate Owned Properties [Line Items] |  |  |
Number of real estate owned properties | property | 300 | 388 |
Real estate owned | $ 110,174 | $ 130,605 | $ 156,223
Residential Whole Loans acquired through foreclosure ordered in lieu | 110,100 |  |
Commercial Mortgage Loans |  |  |
Real Estate Owned Properties [Line Items] |  |  |
Gain on settlement of loans | $ 300 |  |
Entity Owning a Newly Constructed Industrial Property |  |  |
Real Estate Owned Properties [Line Items] |  |  |
Ownership percentage | 75.00% |  |
Cost of investment | $ 22,700 |  |
Carrying Value |  |  |
Real Estate Owned Properties [Line Items] |  |  |
Mortgage loans in process of foreclosure | 89,100 |  |
Estimate of Fair Value |  |  |
Real Estate Owned Properties [Line Items] |  |  |
Mortgage loans in process of foreclosure | $ 264,500 |  |

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