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Other Assets - Real Estate Owned (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 USD ($) property | Sep. 30, 2024 USD ($) | Dec. 31, 2023
Real Estate Properties [Line Items] |  |  |
Residential whole loans acquired through foreclosure ordered in lieu | $ 127.0 | $ 127.0 |
Commercial REO |  |  |
Real Estate Properties [Line Items] |  |  |
Number of properties recorded at fair value | property | 2 |  |
Entity Owning a Newly Constructed Industrial Property |  |  |
Real Estate Properties [Line Items] |  |  |
Ownership percentage |  |  | 75.00%
Impairment on investment | $ 0.0 | $ 0.7 |
Entity Owning a Newly Constructed Industrial Property | Commercial REO |  |  |
Real Estate Properties [Line Items] |  |  |
Ownership percentage | 75.00% | 75.00% |
Entity Owning a Newly Constructed Industrial Property | Commercial REO One |  |  |
Real Estate Properties [Line Items] |  |  |
Ownership percentage | 75.00% | 75.00% | 75.00%
Entity Owning a Newly Constructed Industrial Property | Commercial REO Two |  |  |
Real Estate Properties [Line Items] |  |  |
Ownership percentage | 49.00% | 49.00% | 49.00%
Carrying Value |  |  |
Real Estate Properties [Line Items] |  |  |
Mortgage loans in process of foreclosure | $ 57.1 | $ 57.1 |
Estimated Fair Value |  |  |
Real Estate Properties [Line Items] |  |  |
Mortgage loans in process of foreclosure | $ 290.3 | $ 290.3 |

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