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Securities, Gains (Loss) on Securities, Securities Pledged, and Securities Sold Under Agreements to Repurchase (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Gains (Loss) on Sales of Securities [Abstract] |  |  |  |  |
Net securities gain (loss) | $ (449) | $ 213 | $ 181 | $ 110 |
Net gain (loss) realized on sales and calls of AFS securities |  | 1 | 1 | 2 |
Unrealized gain (loss) from fair value adjustment of equity securities |  | 212 | 180 | 108 |
Equity Securities at Fair Value [Abstract] |  |  |  |  |
Equity securities at fair value | 3,961 |  | 3,961 |  | $ 3,781
Increase (decrease) in fair value of equity securities | $ (449) | $ 212 | $ 180 | $ 108 |
Number of equity securities sold (in shares) | 0 | 0 | 0 | 0 |
Amortized cost of securities sold under agreements to repurchase | $ 390,000 |  | $ 390,000 |  | 330,000
Fair value of securities pledged under agreements to repurchase | 356,900 |  | 356,900 |  | 292,200
Asset Pledged as Collateral [Member] | Public Deposits and for Other Purposes [Member] |  |  |  |  |
Equity Securities at Fair Value [Abstract] |  |  |  |  |
Securities | 606,400 |  | 606,400 |  | 630,800
Fair value of securities pledged | $ 556,300 |  | $ 556,300 |  | $ 563,200

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