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Derivative Instruments (Change In Fair Value Of Derivative Instruments) (Details) - Non-hedging interest rate derivatives: - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Other Income | Customer Back-to-Back Swap Program, Derivative Asset |  |
Derivatives, Fair Value [Line Items] |  |
Change in Fair Value Non-Hedging Interest Rate Derivatives: | $ (8,004) | $ 6,866
Other Income | Customer Back-to-Back Swap Program, Derivative Liability |  |
Derivatives, Fair Value [Line Items] |  |
Change in Fair Value Non-Hedging Interest Rate Derivatives: | 8,004 | (6,866)
Other Expense |  |
Derivatives, Fair Value [Line Items] |  |
Change in Fair Value Non-Hedging Interest Rate Derivatives: | $ (160) | $ 92

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