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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, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |  |  |
Other comprehensive income (loss), securities, available-for-sale, unrealized holding gain (loss) arising during period, before tax | $ (12,351) | $ 42,988 | $ (200,030)
Unrealized (loss)/gain on investment securities available for sale arising during the period, tax | (3,063) | 10,833 | (50,407)
Other comprehensive income (loss), securities, available-for-sale, unrealized holding gain (loss) arising during period, net of tax | (9,288) | 32,155 | (149,623)
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, before tax | 0 | (601) | 0
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, tax | 0 | (151) | 0
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, net of tax | 0 | (450) | 0
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, before of tax | (3,314) | (3,483) | (3,605)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, tax | (822) | (878) | (909)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, net of tax | (2,492) | (2,605) | (2,696)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (6,949) | (656) | 3,741
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | (1,723) | (165) | 943
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  | (491) | 2,798
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Cash Flow Hedges, before Tax | 1,731 | 945 | 551
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Cash Flow Hedges, Tax | 428 | 237 | 139
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Cash Flow Hedges, after Tax |  | 708 | 412
Other comprehensive income (loss) before tax | (20,883) | 39,193 | (199,343)
Other comprehensive income (loss) tax | (5,180) | 9,876 | (50,234)
Other comprehensive income (loss) | (15,703) | 29,317 | (149,109)
Net Change Noninterest-Bearing Deposits, Domestic | $ 525,329 | $ (683,989) | $ 64,296

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