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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 | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 900,597 | $ 879,023
Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 170,292 | 159,330
Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 120,546 | 121,175
Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 20,615 | 15,711
All Other Acquisition and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 98,994 | 95,275
Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 75,535 | 73,853
Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 312,148 | 311,469
Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 77,892 | 77,270
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 24,575 | 24,940
Pass [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 831,824 | 819,513
Pass [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 142,739 | 140,378
Pass [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 100,743 | 103,811
Pass [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 19,915 | 15,011
Pass [Member] | All Other Acquisition and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 93,652 | 89,963
Pass [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 73,397 | 69,420
Pass [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 300,860 | 300,558
Pass [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 76,036 | 75,491
Pass [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 24,482 | 24,881
Special Mention [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 14,374 | 14,211
Special Mention [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 11,488 | 11,574
Special Mention [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,531 | 1,184
Special Mention [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Special Mention [Member] | All Other Acquisition and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 72 | 74
Special Mention [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 216 | 1,212
Special Mention [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 67 | 167
Special Mention [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Special Mention [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Substandard [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 54,399 | 45,299
Substandard [Member] | Commercial real estate- non owner-occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 16,065 | 7,378
Substandard [Member] | Commercial real estate- all other CRE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 17,272 | 16,180
Substandard [Member] | Acquisition and development- 1-4 family residential construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 700 | 700
Substandard [Member] | All Other Acquisition and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 5,270 | 5,238
Substandard [Member] | Commercial and industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,922 | 3,221
Substandard [Member] | Residential mortgage- term [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 11,221 | 10,744
Substandard [Member] | Residential mortgage- home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,856 | 1,779
Substandard [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 93 | $ 59

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