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Derivatives and Hedging Activities - Effect of Cash Flow Hedge Accounting on Accumulated Other Comprehensive Income and the Consolidated Statements of Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Interest rate swaps - variable rate liabilities |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of Gain (Loss) Recognized in OCI | $ 245 | $ (307)
Interest income | Interest rate swaps - variable rate liabilities |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of Gain Reclassified from AOCI into Income | 359 | 507
Other noninterest expense | Interest rate contracts | Not Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Reclassification adjustment for income (loss) | (1) | (11)
Other noninterest expense | Risk participation agreements | Not Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Reclassification adjustment for income (loss) | $ 0 | $ 0

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