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Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring And Nonrecurring Basis) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Impaired Loans [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Provision For Loan Losses on Impaired Loans During Period |  | $ (478)
Other real estate owned |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Write-downs included in other non-interest expense | $ (90) | (2)
Fair Value, Recurring | Obligations of states and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 268,315 | 272,216
Fair Value, Recurring | Obligations of states and political subdivisions | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 268,315 | 272,216
Fair Value, Recurring | U.S. Government agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 1,202,279 | 1,094,311
Fair Value, Recurring | U.S. Government agencies | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 1,202,279 | 1,094,311
Fair Value, Recurring | Private label |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 7,231 | 9,108
Fair Value, Recurring | Private label | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 4,772 | 5,647
Fair Value, Recurring | Private label | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 2,459 | 3,461
Fair Value, Recurring | Trust preferred securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 3,828 | 4,203
Fair Value, Recurring | Trust preferred securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 3,828 | 4,203
Fair Value, Recurring | Corporate securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 23,867 | 28,327
Fair Value, Recurring | Corporate securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 23,867 | 28,327
Fair Value, Recurring | Equity Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 7,569 | 9,211
Fair Value, Recurring | Equity Securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 3,851 | 4,134
Fair Value, Recurring | Equity Securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 3,718 | 5,077
Fair Value, Recurring | Certificates of Deposit |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 747 | 996
Fair Value, Recurring | Certificates of Deposit | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 747 | 996
Fair Value, Recurring | Derivative assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 81,838 | 29,029
Fair Value, Recurring | Derivative assets | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 81,838 | 29,029
Fair Value, Recurring | Derivative liabilities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 65,056 | 24,283
Fair Value, Recurring | Derivative liabilities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0
Fair Value, Recurring | Derivative liabilities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 65,056 | 24,283
Fair Value, Recurring | Derivative liabilities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0
Fair Value, Nonrecurring | Impaired Loans [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure |  | 0
Fair Value, Nonrecurring | Impaired Loans [Member] | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure |  | 0
Fair Value, Nonrecurring | Impaired Loans [Member] | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure |  | 0
Fair Value, Nonrecurring | Impaired Loans [Member] | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure |  | 0
Fair Value, Nonrecurring | Other real estate owned |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 909 | 1,319
Fair Value, Nonrecurring | Other real estate owned | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Nonrecurring | Other real estate owned | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Nonrecurring | Other real estate owned | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | $ 909 | $ 1,319

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