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Shareholders' Equity and Compensation Plans - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |  |  |
Other comprehensive income (loss), securities, available-for-sale, unrealized holding gain (loss) arising during period, before tax | $ 80,004 | $ (12,351) | $ 42,988
Unrealized (loss)/gain on investment securities available for sale arising during the period, tax | 19,841 | (3,063) | 10,833
Other comprehensive income (loss), securities, available-for-sale, unrealized holding gain (loss) arising during period, net of tax | 60,163 | (9,288) | 32,155
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, before tax | (49) | 0 | (601)
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, tax | (12) | 0 | (151)
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, net of tax | (37) | 0 | (450)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, before of tax | (3,254) | (3,314) | (3,483)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, tax | (807) | (822) | (878)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, net of tax | (2,447) | (2,492) | (2,605)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 4,825 | (6,949) | (656)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 1,197 | (1,723) | (165)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  | (5,226) | (491)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Cash Flow Hedges, before Tax | 1,095 | 1,731 | 945
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Cash Flow Hedges, Tax | 271 | 428 | 237
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Cash Flow Hedges, after Tax |  | 1,303 | 708
Other comprehensive income (loss) before tax | 82,621 | (20,883) | 39,193
Other comprehensive income (loss) tax | 20,490 | (5,180) | 9,876
Other comprehensive income (loss) | 62,131 | (15,703) | 29,317
Net Change Noninterest-Bearing Deposits, Domestic | $ 172,566 | $ 525,329 | $ (683,989)

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