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Loans And Leases (Nonaccrual Loans As Troubled Debt Restructuring) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Financing Receivable, Modifications [Line Items] |  |
Total nonaccrual and nonperforming loans | $ 695 | $ 2,439
Commercial Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Total nonaccrual and nonperforming loans | 190 | 85
Nonaccrual TDRs, Total | $ 190 | $ 85

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