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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 | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable, Impaired [Line Items] |  |
Average Investment | $ 5,613 | $ 9,517
Interest income recognized on an accrual basis | 160 | 220
Interest income recognized on a cash basis | 16 | 99
Commercial real estate- non owner-occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 121 | 2,836
Interest income recognized on an accrual basis | 11 | 12
Commercial real estate- all other CRE [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 2,166 | 2,840
Interest income recognized on an accrual basis | 88 | 118
Interest income recognized on a cash basis |  | 94
Acquisition and development- 1-4 family residential construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 224 | 252
Interest income recognized on an accrual basis | 13 | 11
Acquisition and development- All other A&D [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 289 | 557
Interest income recognized on an accrual basis |  | 9
Commercial and industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 18 | 18
Residential mortgage- term [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 2,423 | 2,561
Interest income recognized on an accrual basis | 48 | 70
Interest income recognized on a cash basis | 15 | 5
Residential mortgage- home equity [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 353 | 439
Consumer [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Average Investment | 19 | $ 14
Interest income recognized on a cash basis | $ 1 |

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