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Securities - Narrative (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Securities, Available-for-Sale [Line Items] |  |
Estimated fair value | $ 335,150 | $ 333,554
Unrealized losses, total accumulated loss | 64,813 | 76,414
Available-for-sale, accrued interest, after allowance for credit loss | 2,200 | 2,300
Impaired Collateralized Debt Obligations |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Debt securities, available-for-sale, unrealized loss position, amortized cost | 2,100 |
Estimated fair value | 1,600 | 1,400
Unrealized losses, total accumulated loss |  | 173
Asset Pledged as Collateral |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Financial instruments, owned, at fair value | $ 334,400 | $ 326,500

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