Loans And Related Allowances For Loan Losses (Classes Of The Loan Portfolio Summarized By The Aggregate Risk Rating) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans $ 859,669 $ 874,829
Commercial real estate- non owner-occupied [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 150,452 151,534
Commercial real estate- all other CRE [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 140,167 147,317
Acquisition and development- 1-4 family residential construction [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 15,260 16,352
Acquisition and development- All other A&D [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 108,882 112,039
Commercial and industrial [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 68,380 69,013
Residential mortgage- term [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 272,374 268,629
Residential mortgage- home equity [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 76,605 78,290
Consumer [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 27,549 31,655
Pass [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 733,842 748,553
Pass [Member] | Commercial real estate- non owner-occupied [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 125,892 126,230
Pass [Member] | Commercial real estate- all other CRE [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 102,255 110,365
Pass [Member] | Acquisition and development- 1-4 family residential construction [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 8,216 9,284
Pass [Member] | Acquisition and development- All other A&D [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 75,005 79,136
Pass [Member] | Commercial and industrial [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 60,502 60,234
Pass [Member] | Residential mortgage- term [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 260,459 255,993
Pass [Member] | Residential mortgage- home equity [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 74,329 75,935
Pass [Member] | Consumer [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 27,184 31,376
Special Mention [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 19,007 20,707
Special Mention [Member] | Commercial real estate- non owner-occupied [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 3,705 6,464
Special Mention [Member] | Commercial real estate- all other CRE [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 8,995 9,072
Special Mention [Member] | Acquisition and development- 1-4 family residential construction [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,096 1,101
Special Mention [Member] | Acquisition and development- All other A&D [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,185 1,073
Special Mention [Member] | Commercial and industrial [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,973 2,029
Special Mention [Member] | Residential mortgage- term [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 744 751
Special Mention [Member] | Residential mortgage- home equity [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 288 195
Special Mention [Member] | Consumer [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 21 22
Substandard [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 106,820 105,569
Substandard [Member] | Commercial real estate- non owner-occupied [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 20,855 18,840
Substandard [Member] | Commercial real estate- all other CRE [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 28,917 27,880
Substandard [Member] | Acquisition and development- 1-4 family residential construction [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 5,948 5,967
Substandard [Member] | Acquisition and development- All other A&D [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 31,692 31,830
Substandard [Member] | Commercial and industrial [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 5,905 6,750
Substandard [Member] | Residential mortgage- term [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 11,171 11,885
Substandard [Member] | Residential mortgage- home equity [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,988 2,160
Substandard [Member] | Consumer [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 344 257
Doubtful [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Commercial real estate- non owner-occupied [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Commercial real estate- all other CRE [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Acquisition and development- 1-4 family residential construction [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Acquisition and development- All other A&D [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Commercial and industrial [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Residential mortgage- term [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Residential mortgage- home equity [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Doubtful [Member] | Consumer [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans $ 0 $ 0