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Securities - Held to Maturity (Details) - USD ($) | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
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Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | $ 329,302,000 |  | $ 339,436,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 14,543,000 |  | 16,171,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 133,000 | $ 129,000 | 132,000 | $ 155,000 | $ 155,000 | $ 157,000
Amortized Cost | 343,978,000 |  | 355,739,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 11,000 |  | 28,000 |  |  |
Debt securities, held-to-maturity, unrealized losses | 50,331,000 |  | 53,907,000 |  |  |
Debt securities, held-to-maturity, fair value | 293,658,000 |  | 301,860,000 |  |  |
U.S. agency |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 23,283,000 |  | 24,150,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 1,309,000 |  | 1,404,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 0 |  | 0 |  |  |
Amortized Cost | 24,592,000 |  | 25,554,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, unrealized losses | 4,260,000 |  | 4,987,000 |  |  |
Debt securities, held-to-maturity, fair value | 20,332,000 |  | 20,567,000 |  |  |
U.S. agency residential mortgage-backed |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 96,758,000 |  | 100,700,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 8,165,000 |  | 8,669,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 0 |  | 0 |  |  |
Amortized Cost | 104,923,000 |  | 109,369,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, unrealized losses | 22,399,000 |  | 24,631,000 |  |  |
Debt securities, held-to-maturity, fair value | 82,524,000 |  | 84,738,000 |  |  |
U.S. agency commercial mortgage-backed |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 3,957,000 |  | 4,013,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 87,000 |  | 107,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 0 |  | 0 |  |  |
Amortized Cost | 4,044,000 |  | 4,120,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, unrealized losses | 337,000 |  | 402,000 |  |  |
Debt securities, held-to-maturity, fair value | 3,707,000 |  | 3,718,000 |  |  |
Private label mortgage-backed |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 7,324,000 |  | 7,350,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 133,000 |  | 190,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 1,000 | 1,000 | 1,000 | 4,000 | 4,000 | 4,000
Amortized Cost | 7,458,000 |  | 7,541,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, unrealized losses | 407,000 |  | 551,000 |  |  |
Debt securities, held-to-maturity, fair value | 7,051,000 |  | 6,990,000 |  |  |
Obligations of states and political subdivisions |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 152,433,000 |  | 156,305,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 4,466,000 |  | 5,262,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 17,000 | 17,000 | 17,000 | 31,000 | 31,000 | 33,000
Amortized Cost | 156,916,000 |  | 161,584,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 11,000 |  | 28,000 |  |  |
Debt securities, held-to-maturity, unrealized losses | 19,781,000 |  | 19,461,000 |  |  |
Debt securities, held-to-maturity, fair value | 137,146,000 |  | 142,151,000 |  |  |
Corporate |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 44,591,000 |  | 45,964,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 343,000 |  | 496,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 111,000 | 108,000 | 111,000 | 116,000 | 116,000 | 116,000
Amortized Cost | 45,045,000 |  | 46,571,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, unrealized losses | 3,147,000 |  | 3,875,000 |  |  |
Debt securities, held-to-maturity, fair value | 41,898,000 |  | 42,696,000 |  |  |
Trust preferred |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] |  |  |  |  |  |
Carrying Value | 956,000 |  | 954,000 |  |  |
Debt securities, held-to-maturity, transferred unrealized loss | 40,000 |  | 43,000 |  |  |
Debt securities, held-to-maturity, allowance for credit loss | 4,000 | $ 3,000 | 3,000 | $ 4,000 | $ 4,000 | $ 4,000
Amortized Cost | 1,000,000 |  | 1,000,000 |  |  |
Debt securities, held-to-maturity, unrealized gains | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, unrealized losses | 0 |  | 0 |  |  |
Debt securities, held-to-maturity, fair value | $ 1,000,000 |  | $ 1,000,000 |  |  |

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