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Loans and Related Allowance for Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 997,284 | $ 1,007,714
Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 141,060 | 150,512
Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 154,195 | 156,409
Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 11,355 | 16,003
Acquisition and development- All other A&D [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 102,435 | 102,357
Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 111,291 | 111,466
Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 371,966 | 364,008
Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 69,118 | 72,899
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 35,864 | 34,060
Pass [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 963,513 | 976,864
Pass [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 131,700 | 145,260
Pass [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 147,029 | 149,076
Pass [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 11,355 | 16,003
Pass [Member] | Acquisition and development- All other A&D [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 94,390 | 94,428
Pass [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 107,694 | 107,174
Pass [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 367,933 | 359,305
Pass [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 67,667 | 71,666
Pass [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 35,745 | 33,952
Special Mention [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 10,784 | 15,884
Special Mention [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 7,471 | 2,904
Special Mention [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,963 | 1,752
Special Mention [Member] | Acquisition and development- All other A&D [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 19 | 7,378
Special Mention [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 128 | 3,703
Special Mention [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 60 |
Special Mention [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 140 | 143
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 | 22,987 | 14,966
Substandard [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,889 | 2,348
Substandard [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 4,203 | 5,581
Substandard [Member] | Acquisition and development- All other A&D [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 8,026 | 551
Substandard [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3,469 | 589
Substandard [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3,973 | 4,703
Substandard [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,311 | 1,090
Substandard [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 116 | $ 104

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