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Fair Value - Recorded Amount of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
AFS securities |  |
AFS securities, at fair value | $ 497,791 | $ 489,029
Total | 505,138 | 492,012
U.S. Treasury |  |
AFS securities |  |
AFS securities, at fair value | 197,534 | 220,571
States and political subdivisions |  |
AFS securities |  |
AFS securities, at fair value | 69,205 | 76,568
Mortgage-backed securities |  |
AFS securities |  |
AFS securities, at fair value | 22,252 | 26,886
Collateralized mortgage obligations |  |
AFS securities |  |
AFS securities, at fair value | 200,466 | 154,674
Corporate |  |
AFS securities |  |
AFS securities, at fair value | 5,921 | 7,286
Level 1 |  |
AFS securities |  |
Total | $ 0 | $ 0
Percent of assets and liabilities measured at fair value | 0.00% | 0.00%
Level 2 |  |
AFS securities |  |
Total | $ 497,791 | $ 489,029
Percent of assets and liabilities measured at fair value | 98.55% | 99.39%
Level 3 |  |
AFS securities |  |
Total | $ 7,347 | $ 2,983
Percent of assets and liabilities measured at fair value | 1.45% | 0.61%
Recurring items |  |
AFS securities |  |
AFS securities, at fair value | $ 497,791 | $ 489,029
Recurring items | U.S. Treasury |  |
AFS securities |  |
AFS securities, at fair value | 197,534 | 220,571
Recurring items | States and political subdivisions |  |
AFS securities |  |
AFS securities, at fair value | 69,205 | 76,568
Recurring items | Auction rate money market preferred |  |
AFS securities |  |
AFS securities, at fair value | 2,413 | 3,044
Recurring items | Mortgage-backed securities |  |
AFS securities |  |
AFS securities, at fair value | 22,252 | 26,886
Recurring items | Collateralized mortgage obligations |  |
AFS securities |  |
AFS securities, at fair value | 200,466 | 154,674
Recurring items | Corporate |  |
AFS securities |  |
AFS securities, at fair value | 5,921 | 7,286
Recurring items | Level 1 |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 1 | U.S. Treasury |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 1 | States and political subdivisions |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 1 | Auction rate money market preferred |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 1 | Mortgage-backed securities |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 1 | Collateralized mortgage obligations |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 1 | Corporate |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 2 |  |
AFS securities |  |
AFS securities, at fair value | 497,791 | 489,029
Recurring items | Level 2 | U.S. Treasury |  |
AFS securities |  |
AFS securities, at fair value | 197,534 | 220,571
Recurring items | Level 2 | States and political subdivisions |  |
AFS securities |  |
AFS securities, at fair value | 69,205 | 76,568
Recurring items | Level 2 | Auction rate money market preferred |  |
AFS securities |  |
AFS securities, at fair value | 2,413 | 3,044
Recurring items | Level 2 | Mortgage-backed securities |  |
AFS securities |  |
AFS securities, at fair value | 22,252 | 26,886
Recurring items | Level 2 | Collateralized mortgage obligations |  |
AFS securities |  |
AFS securities, at fair value | 200,466 | 154,674
Recurring items | Level 2 | Corporate |  |
AFS securities |  |
AFS securities, at fair value | 5,921 | 7,286
Recurring items | Level 3 |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 3 | U.S. Treasury |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 3 | States and political subdivisions |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 3 | Auction rate money market preferred |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 3 | Mortgage-backed securities |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 3 | Collateralized mortgage obligations |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Recurring items | Level 3 | Corporate |  |
AFS securities |  |
AFS securities, at fair value | 0 | 0
Nonrecurring items |  |
AFS securities |  |
Collateral dependent (net of ACL) | 4,319 | 254
OMSR | 2,090 | 2,185
Foreclosed assets | 938 | 544
Nonrecurring items | Level 1 |  |
AFS securities |  |
Collateral dependent (net of ACL) | 0 | 0
OMSR | 0 | 0
Foreclosed assets | 0 | 0
Nonrecurring items | Level 2 |  |
AFS securities |  |
Collateral dependent (net of ACL) | 0 | 0
OMSR | 0 | 0
Foreclosed assets | 0 | 0
Nonrecurring items | Level 3 |  |
AFS securities |  |
Collateral dependent (net of ACL) | 4,319 | 254
OMSR | 2,090 | 2,185
Foreclosed assets | $ 938 | $ 544

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