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Loans And Related Allowances For Loan Losses (Average of Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Financing Receivable, Impaired [Line Items] |  |
Average Investment | $ 5,631 | $ 9,702
Interest income recognized on an accrual basis | 42 | 64
Interest income recognized on a cash basis | 5 | 5
Commercial real estate- non owner-occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 106 | 2,406
Interest income recognized on an accrual basis | 3 | 3
Commercial real estate- all other CRE [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 2,235 | 3,182
Interest income recognized on an accrual basis | 23 | 35
Acquisition and development- 1-4 family residential construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 235 | 263
Interest income recognized on an accrual basis | 4 | 3
Acquisition and development- All other A&D [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 386 | 596
Interest income recognized on an accrual basis |  | 3
Commercial and industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 45 |
Residential mortgage- term [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 2,227 | 2,784
Interest income recognized on an accrual basis | 12 | 20
Interest income recognized on a cash basis | 5 | 5
Residential mortgage- home equity [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | $ 397 | 446
Consumer [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment |  | $ 25

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