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Loans And Related Allowances For Loan Losses (Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | $ 374 | $ 480
Impaired Loans with Specific Allowance: Related Allowance | 35 | 64
Impaired Loans with No Specific Allowance: Recorded Investment | 5,157 | 5,248
Total Impaired Loans: Recorded Investment | 5,531 | 5,728
Unpaid Principal Balance | 9,015 | 9,231
Commercial real estate- non owner-occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 105 | 106
Total Impaired Loans: Recorded Investment | 105 | 106
Unpaid Principal Balance | 105 | 106
Commercial real estate- all other CRE [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 2,211 | 2,259
Total Impaired Loans: Recorded Investment | 2,211 | 2,259
Unpaid Principal Balance | 2,211 | 2,259
Acquisition and development- 1-4 family residential construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 231 | 239
Total Impaired Loans: Recorded Investment | 231 | 239
Unpaid Principal Balance | 231 | 239
Acquisition and development- All other A&D [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 381 | 390
Total Impaired Loans: Recorded Investment | 381 | 390
Unpaid Principal Balance | 1,590 | 1,599
Commercial and industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment |  | 90
Impaired Loans with Specific Allowance: Related Allowance |  | 28
Total Impaired Loans: Recorded Investment |  | 90
Unpaid Principal Balance | 2,214 | 2,304
Residential mortgage- term [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 328 | 344
Impaired Loans with Specific Allowance: Related Allowance | 30 | 31
Impaired Loans with No Specific Allowance: Recorded Investment | 1,884 | 1,897
Total Impaired Loans: Recorded Investment | 2,212 | 2,241
Unpaid Principal Balance | 2,273 | 2,302
Residential mortgage- home equity [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 46 | 46
Impaired Loans with Specific Allowance: Related Allowance | 5 | 5
Impaired Loans with No Specific Allowance: Recorded Investment | 345 | 357
Total Impaired Loans: Recorded Investment | 391 | 403
Unpaid Principal Balance | $ 391 | $ 422

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