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Loans And Leases (Recorded Investment In Nonaccrual Loans By Class Of Loans) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans past due over 90 days still on accrual |  |
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total nonaccrual and nonperforming loans | 178 | 190
Single-Family Residential [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total nonaccrual and nonperforming loans | 418 | 421
Originated For Portfolio [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total nonaccrual and nonperforming loans |  | 12
Purchased For Portfolio [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total nonaccrual and nonperforming loans | 45 | 72
Nonaccrual [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total nonaccrual and nonperforming loans | 641 | 695
Nonaccrual And Nonperforming [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total nonaccrual and nonperforming loans | $ 641 | $ 695

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