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Securities, Available for Sale (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | $ 1,739,299 | $ 1,615,078 |
Unrealized gains | 251 | 47 |
Unrealized losses | (164,886) | (184,267) |
Estimated fair value | 1,574,664 | 1,430,858 |
Allowance for credit losses on AFS securities | 0 | 0 |
Gross realized losses |  | 4,500 | $ 0
Gain recognized on sale of previously written-off security | 2,300 |  |
Gross realized gains |  |  | $ 0
U.S. Treasury [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 108,838 | 133,302 |
Unrealized gains | 59 | 0 |
Unrealized losses | (6,107) | (8,278) |
Estimated fair value | 102,790 | 125,024 |
Federal Agency [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 248,348 | 248,384 |
Unrealized gains | 0 | 0 |
Unrealized losses | (29,831) | (33,644) |
Estimated fair value | 218,517 | 214,740 |
State & Municipal [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 95,457 | 96,251 |
Unrealized gains | 0 | 11 |
Unrealized losses | (7,967) | (9,956) |
Estimated fair value | 87,490 | 86,306 |
Mortgage-Backed, Government Sponsored Enterprises [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 435,825 | 399,532 |
Unrealized gains | 2 | 7 |
Unrealized losses | (41,528) | (44,264) |
Estimated fair value | 394,299 | 355,275 |
Mortgage-backed Securities, U.S. Government Agency Securities [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 76,528 | 74,281 |
Unrealized gains | 9 | 14 |
Unrealized losses | (6,471) | (7,302) |
Estimated fair value | 70,066 | 66,993 |
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 546,685 | 452,715 |
Unrealized gains | 142 | 15 |
Unrealized losses | (42,831) | (48,257) |
Estimated fair value | 503,996 | 404,473 |
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 179,136 | 162,171 |
Unrealized gains | 39 | 0 |
Unrealized losses | (26,683) | (25,100) |
Estimated fair value | 152,492 | 137,071 |
Corporate [Member] |  |  |
Debt securities, available-for-sale [Abstract] |  |  |
Amortized cost | 48,482 | 48,442 |
Unrealized gains | 0 | 0 |
Unrealized losses | (3,468) | (7,466) |
Estimated fair value | $ 45,014 | 40,976 |
Loss on the write-off of an AFS debt security |  | $ 5,000 |

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