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Shareholders' Equity - AOCI Components Pre Post & Tax Effect (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other Comprehensive Income (Loss), Before Tax: |  |  |
Net Unrealized Gains (Losses) Arising During the Period | $ 47,860 | $ 17,692 | $ (523,221)
Loss on Sale |  | 4,582 |
Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities | 24,844 | 26,909 | 10,680
Net Unrealized Gains (Losses) on Investment Securities | 72,704 | 49,183 | (512,541)
Net Actuarial Gains (Losses) Arising During the Period | (1,101) | 1,968 | 9,525
Amortization of Net Actuarial Losses (Gains) | 1,163 | 751 | 2,175
Amortization of Prior Service Credit | (246) | (246) | (246)
Defined Benefit Plans, Net | (184) | 2,473 | 11,454
Other Comprehensive Income (Loss) | 72,520 | 51,656 | (501,087)
Other Comprehensive Income (Loss), Tax Effect: |  |  |
Net Unrealized Gains (Losses) Arising During the Period | 12,683 | 4,661 | (138,678)
Loss on Sale |  | 1,237 |
Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities | 6,586 | 7,133 | 2,831
Net Unrealized Gains (Losses) on Investment Securities | 19,269 | 13,031 | (135,847)
Net Actuarial Gains (Losses) Arising During the Period | (291) | 521 | 2,525
Net Actuarial (Gains) Losses Arising During the Period | 308 | 199 | 576
Amortization of Prior Service Credit | (65) | (65) | (65)
Defined Benefit Plans, Net | (48) | 655 | 3,036
Other Comprehensive Income (Loss) | 19,221 | 13,686 | (132,811)
Other Comprehensive Income (Loss), Net of Tax: |  |  |
Net Unrealized Gains (Losses) Arising During the Period | 35,177 | 13,031 | (384,543)
Loss on Sale |  | 3,345 |
Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities | 18,258 | 19,776 | 7,849
Net Unrealized Gains (Losses) on Investment Securities | 53,435 | 36,152 | (376,694)
Net Actuarial Gains (Losses) Arising During the Period | (810) | 1,447 | 7,000
Amortization of Net Actuarial Losses (Gains) | 855 | 552 | 1,599
Amortization of Prior Service Credit | (181) | (181) | (181)
Defined Benefit Plans, Net | (136) | 1,818 | 8,418
Other Comprehensive Income (Loss) | $ 53,299 | $ 37,970 | $ (368,276)

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