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Derivative Instruments (Fair Value Of Derivative Instruments) (Details) - Non-hedging interest rate derivatives: - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Loan interest rate swap - assets | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 18,200 | $ 28,238
Fair Value | 1,703 | 1,298
Loan interest rate swap - liabilities | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | 589,542 | 619,150
Fair Value | 69,975 | 63,758
Loan interest rate swap - assets | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | 607,542 | 637,150
Fair Value | 71,499 | 65,217
Loan interest rate swap - liabilities | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | 18,200 | 28,238
Fair Value | $ 1,703 | $ 1,298

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