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Derivative Instruments Schedule of Credit Default Swaps (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Credit Derivatives [Line Items] |  |  |
Financial derivatives–assets, at fair value | $ 476 | $ 41,867 | $ 74,279
Financial derivatives–liabilities, at fair value | 957 | 5,681 | 7,329
Derivative, Fair Value, Net | (481) | 36,186 | 66,950
Credit Default Swap, Selling Protection |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Notional Amount |  | 23,800 |
Up-Front Fees (Paid) Received On Credit Derivatives | 500 | 700 |
Derivative, Fair Value, Net |  | 700 |
Credit Default Swap, Corporate Bond Indices | Derivative Financial Instruments, Assets [Member] | Short |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Notional Amount | 0 | 23,825 | 0
Financial derivatives–assets, at fair value | 0 | $ 705 | $ 0
Credit Default Swap, Corporate Bond Indices | Derivative Financial Instruments, Assets [Member] | Short | Weighted Average [Member] |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Remaining Maturity |  | 4 years 5 months 19 days | 0 years
Credit Default Swap, Corporate Bond Indices | Derivative Financial Instruments, Liabilities [Member] | Short |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Notional Amount | (9,104) | $ (52,886) | $ (25,943)
Financial derivatives–liabilities, at fair value | $ (488) | $ (1,912) | $ (632)
Credit Default Swap, Corporate Bond Indices | Derivative Financial Instruments, Liabilities [Member] | Short | Weighted Average [Member] |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Remaining Maturity | 5 years 2 months 19 days | 4 years 9 months | 4 years 11 months 23 days
Credit Default Swap |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Notional Amount | $ 9,104 | $ 29,061 | $ 25,943
Derivative Assets (Liabilities), at Fair Value, Net | $ (488) | $ (1,207) | $ (632)
Credit Default Swap | Weighted Average [Member] |  |  |
Credit Derivatives [Line Items] |  |  |
Derivative, Remaining Maturity | 5 years 2 months 19 days | 4 years 7 months 28 days | 4 years 11 months 23 days
Credit Default Swap | Derivative Financial Instruments, Assets [Member] |  |  |
Credit Derivatives [Line Items] |  |  |
Financial derivatives–assets, at fair value | $ 0 | $ 705 | $ 0
Credit Default Swap | Derivative Financial Instruments, Liabilities [Member] |  |  |
Credit Derivatives [Line Items] |  |  |
Financial derivatives–liabilities, at fair value | $ 488 | $ 1,912 | $ 632

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