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Securities - Additional Information (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 USD ($) item | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Securities |  |  |
Allowance for credit losses | $ 0 |  | $ 0
Realized gain (loss) on sale of available-for-sale securities | 143,000 | $ (194,000) |
Proceeds from sale of available-for-sale securities | 7,733,000 | 25,091,000 |
Carrying value of securities pledged | 118,700,000 |  | 121,400,000
Fair value of investment in debt securities | $ 221,700,000 |  | $ 208,800,000
Percentage of fair value of investment in debt | 96.00% |  | 87.00%
Number of investments in available for sale securities | item | 196 |  |
Tranche One |  |  |
Securities |  |  |
Proceeds from sale of available-for-sale securities | $ 140,000,000 | 20,300,000 |
Loss on the sale of available-for-sale securities | 2,000,000 | 228,000,000 |
Tranche Two |  |  |
Securities |  |  |
Proceeds from sale of available-for-sale securities | 7,593,000,000 | 5,000,000 |
Gain on sale of available-for-sale securities | $ 145,000,000 | $ 34,000,000 |

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