v3.25.4

Debt Securities - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2025 | Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items] |  |  |
Gain (loss) on securities |  | $ (8.7) | $ 0.1
RMBS |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Gain (loss) on securities |  | (3.6) |
Debt securities, realized loss | $ 20.7 |  |
Unpaid principal balance |  |  | 0.0
CMBS |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Unpaid principal balance |  | $ 49.1 | $ 255.9
Minimum | RMBS |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Debt instrument, term (in years) |  | 10 years |

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