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Derivatives Financial Instruments (Fair Value Hedges on Income Statement) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Tax-exempt | $ 441 | $ 350 | $ 1,190 | $ 1,056
Fair Value Hedging | Interest Rate Swap |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on fair value hedging relationship | (22) | (1,069) | 148 | (955)
Fair Value Hedging | Interest Rate Swap | Designated as Hedging Instrument |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Interest income on taxable securities | 4,872 | 5,091 | 14,492 | 14,710
Effects of fair value hedge relationships | 4 | 142 | 7 | 391
Reported interest income on taxable securities | 4,876 | 5,233 | 14,499 | 15,101
Gain (loss) on fair value hedging relationship | 22 | 1,069 | (148) | 955
Carrying amount of hedged asset | $ 49,328 | $ 48,886 | $ 49,328 | $ 48,886

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