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Securities & Allowance for Securities Credit Losses - Schedule of Amortized Cost and Fair Value (Details) - USD ($) | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
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Securities available for sale: |  |  |  |  |
Amortized Cost | $ 484,389,000 | $ 365,323,000 |  |  |
Gross Unrealized Gains | 450,000 | 87,000 |  |  |
Gross Unrealized (Losses) | (5,634,000) | (7,081,000) |  |  |
Fair Value | 479,205,000 | 358,329,000 | [1] |  |
Allowance for Credit Losses | 0 | 0 |  | $ 0 | $ 0
Securities held to maturity: |  |  |  |  |
Amortized Cost | 295,575,000 | 300,653,000 |  |  |
Gross Unrealized Gains | 61,000 | 48,000 |  |  |
Gross Unrealized (Losses) | (17,655,000) | (21,750,000) |  |  |
Fair Value | 277,981,000 | 278,951,000 |  |  |
Allowance for Credit Losses | (175,000) | (202,000) |  | (359,000) | (348,000)
Total securities, Amortized Cost | 779,964,000 | 665,976,000 |  |  |
Total securities, Accumulated Unrecognized Gain | 511,000 | 135,000 |  |  |
Total securities, Accumulated Unrecognized Loss | (23,289,000) | (28,831,000) |  |  |
Total securities, Fair Value | 757,186,000 | 637,280,000 |  |  |
Total securities, Allowance for Credit Losses | (175,000) | (202,000) |  |  |
U.S. government and federal agencies |  |  |  |  |
Securities available for sale: |  |  |  |  |
Amortized Cost | 328,302,000 | 207,935,000 |  |  |
Gross Unrealized Gains | 355,000 | 29,000 |  |  |
Gross Unrealized (Losses) | (1,263,000) | (1,561,000) |  |  |
Fair Value | 327,394,000 | 206,403,000 |  |  |
Allowance for Credit Losses | 0 | 0 |  | 0 | 0
Securities held to maturity: |  |  |  |  |
Amortized Cost | 118,455,000 | 122,452,000 |  |  |
Gross Unrealized Gains | 0 | 0 |  |  |
Gross Unrealized (Losses) | (7,320,000) | (9,181,000) |  |  |
Fair Value | 111,135,000 | 113,271,000 |  |  |
Allowance for Credit Losses | 0 | 0 |  | 0 | 0
Mortgage backed securities |  |  |  |  |
Securities available for sale: |  |  |  |  |
Amortized Cost | 7,383,000 | 7,976,000 |  |  |
Gross Unrealized Gains | 1,000 | 1,000 |  |  |
Gross Unrealized (Losses) | (470,000) | (582,000) |  |  |
Fair Value | 6,914,000 | 7,395,000 |  |  |
Allowance for Credit Losses | 0 | 0 |  |  |
Securities held to maturity: |  |  |  |  |
Amortized Cost | 1,163,000 | 1,168,000 |  |  |
Gross Unrealized Gains | 0 | 0 |  |  |
Gross Unrealized (Losses) | (32,000) | (51,000) |  |  |
Fair Value | 1,131,000 | 1,117,000 |  |  |
Allowance for Credit Losses | 0 | 0 |  |  |
Corporate bonds |  |  |  |  |
Securities available for sale: |  |  |  |  |
Amortized Cost | 48,488,000 | 44,707,000 |  |  |
Gross Unrealized Gains | 49,000 | 20,000 |  |  |
Gross Unrealized (Losses) | (516,000) | (753,000) |  |  |
Fair Value | 48,021,000 | 43,974,000 |  |  |
Allowance for Credit Losses | 0 | 0 |  | 0 | 0
Securities held to maturity: |  |  |  |  |
Amortized Cost | 56,410,000 | 57,470,000 |  |  |
Gross Unrealized Gains | 53,000 | 43,000 |  |  |
Gross Unrealized (Losses) | (1,270,000) | (1,698,000) |  |  |
Fair Value | 55,193,000 | 55,815,000 |  |  |
Allowance for Credit Losses | (145,000) | (171,000) |  | (325,000) | (322,000)
State and municipal securities |  |  |  |  |
Securities available for sale: |  |  |  |  |
Amortized Cost | 100,216,000 | 104,705,000 |  |  |
Gross Unrealized Gains | 45,000 | 37,000 |  |  |
Gross Unrealized (Losses) | (3,385,000) | (4,185,000) |  |  |
Fair Value | 96,876,000 | 100,557,000 |  |  |
Allowance for Credit Losses | 0 | 0 |  | 0 | 0
Securities held to maturity: |  |  |  |  |
Amortized Cost | 119,547,000 | 119,563,000 |  |  |
Gross Unrealized Gains | 8,000 | 5,000 |  |  |
Gross Unrealized (Losses) | (9,033,000) | (10,820,000) |  |  |
Fair Value | 110,522,000 | 108,748,000 |  |  |
Allowance for Credit Losses | $ (30,000) | $ (31,000) |  | $ (34,000) | $ (26,000)
[1] | Derived from audited consolidated financial statements.

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