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Securities - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Gross realized losses on the sale of debt securities | $ (11,757,000) | $ 0 | $ (11,757,000) | $ 0 |
Gross unrealized losses on the sale of debt securities |  | $ 0 |  | $ 0 |
Mortgaged Back And Municipal Securities |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Sale of low yielding securities |  |  | $ 117,800,000 |  |
Average yield | 2.87% |  | 2.87% |  |
Mortgage Backed And Collateralized Mortgage Obligation Securities |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Average yield | 5.43% |  | 5.43% |  |
Purchase of high yield securities |  |  | $ 117,800,000 |  |
Public Funds and Sweep Deposits |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Investment securities, available-for-sale, pledged | $ 247,900,000 |  | 247,900,000 |  | $ 251,300,000
Public Deposits, Short Term Borrowings and Other |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Investment securities, available-for-sale, pledged | $ 179,300,000 |  | $ 179,300,000 |  | $ 176,200,000

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