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Loans And Related Allowances For Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 1,053,732 | $ 1,052,118
Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 168,483 | 169,213
Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 169,205 | 166,291
Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 14,407 | 10,781
All Other Acquisition And Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 106,926 | 107,109
Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 123,509 | 122,352
Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 369,030 | 371,555
Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 65,939 | 68,618
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 36,233 | 36,199
Pass [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,017,106 | 1,016,905
Pass [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 163,935 | 164,584
Pass [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 160,695 | 157,407
Pass [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 14,407 | 10,781
Pass [Member] | All Other Acquisition And Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 98,549 | 98,823
Pass [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 115,774 | 116,221
Pass [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 363,076 | 365,899
Pass [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 64,528 | 67,143
Pass [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 36,142 | 36,047
Special Mention [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 7,120 | 12,437
Special Mention [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,729 | 2,765
Special Mention [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,725 | 6,556
Special Mention [Member] | All Other Acquisition And Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 18 | 18
Special Mention [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,454 | 2,896
Special Mention [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 54 | 59
Special Mention [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 137 | 139
Special Mention [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3 | 4
Substandard [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 29,506 | 22,776
Substandard [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,819 | 1,864
Substandard [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 5,785 | 2,328
Substandard [Member] | All Other Acquisition And Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 8,359 | 8,268
Substandard [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 6,281 | 3,235
Substandard [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 5,900 | 5,597
Substandard [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,274 | 1,336
Substandard [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 88 | $ 148

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