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Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Combined Federal And State Income Tax Rate | 24.00% | 24.00% |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | $ (131,488) | $ 14,260 |
Other comprehensive income (loss) before reclassifications | 17,207 | (145,745) |
Amounts reclassified from other comprehensive (loss) income | 3,742 | (3) |
Other Comprehensive Income (Loss), Net of Tax | 20,949 | (145,748) | $ (16,973)
Ending balance | (110,539) | (131,488) | 14,260
Defined Benefit Pension Plans |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | (3,422) | (3,485) |
Other comprehensive income (loss) before reclassifications | 841 | 63 |
Amounts reclassified from other comprehensive (loss) income | 0 | 0 |
Other Comprehensive Income (Loss), Net of Tax | 841 | 63 |
Ending balance | (2,581) | (3,422) | (3,485)
Unrealized Gains (Losses) on Securities Available-for-Sale |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | (128,066) | 17,745 |
Other comprehensive income (loss) before reclassifications | 16,366 | (145,808) |
Amounts reclassified from other comprehensive (loss) income | 3,742 | (3) |
Other Comprehensive Income (Loss), Net of Tax | 20,108 | (145,811) |
Ending balance | $ (107,958) | $ (128,066) | $ 17,745

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