Loans (Details 6) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Summary of Loans by Class of Loans    
Total Loans $ 352,480 $ 323,955
Commercial [Member]
   
Summary of Loans by Class of Loans    
Total Loans 97,983 89,828
Commercial real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 118,287 106,332
Residential real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 108,450 103,518
Construction & Land Development [Member]
   
Summary of Loans by Class of Loans    
Total Loans 21,462 18,061
Consumer [Member]
   
Summary of Loans by Class of Loans    
Total Loans 6,298 6,216
Pass [Member]
   
Summary of Loans by Class of Loans    
Total Loans 203,263 174,908
Pass [Member] | Commercial [Member]
   
Summary of Loans by Class of Loans    
Total Loans 86,829 76,216
Pass [Member] | Commercial real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 100,725 84,846
Pass [Member] | Residential real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 204 1,151
Pass [Member] | Construction & Land Development [Member]
   
Summary of Loans by Class of Loans    
Total Loans 15,505 12,695
Pass [Member] | Consumer [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Special Mention [Member]
   
Summary of Loans by Class of Loans    
Total Loans 13,643 19,872
Special Mention [Member] | Commercial [Member]
   
Summary of Loans by Class of Loans    
Total Loans 4,905 5,147
Special Mention [Member] | Commercial real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 5,369 10,385
Special Mention [Member] | Residential real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Special Mention [Member] | Construction & Land Development [Member]
   
Summary of Loans by Class of Loans    
Total Loans 3,369 4,340
Special Mention [Member] | Consumer [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Substandard [Member]
   
Summary of Loans by Class of Loans    
Total Loans 16,425 16,625
Substandard [Member] | Commercial [Member]
   
Summary of Loans by Class of Loans    
Total Loans 6,075 7,710
Substandard [Member] | Commercial real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 9,081 8,686
Substandard [Member] | Residential real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 55 61
Substandard [Member] | Construction & Land Development [Member]
   
Summary of Loans by Class of Loans    
Total Loans 1,214 168
Substandard [Member] | Consumer [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Doubtful [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Doubtful [Member] | Commercial [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Doubtful [Member] | Commercial real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Doubtful [Member] | Residential real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Doubtful [Member] | Construction & Land Development [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Doubtful [Member] | Consumer [Member]
   
Summary of Loans by Class of Loans    
Total Loans 0 0
Not Rated [Member]
   
Summary of Loans by Class of Loans    
Total Loans 119,149 112,550
Not Rated [Member] | Commercial [Member]
   
Summary of Loans by Class of Loans    
Total Loans 174 755
Not Rated [Member] | Commercial real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 3,112 2,415
Not Rated [Member] | Residential real estate [Member]
   
Summary of Loans by Class of Loans    
Total Loans 108,191 102,306
Not Rated [Member] | Construction & Land Development [Member]
   
Summary of Loans by Class of Loans    
Total Loans 1,374 858
Not Rated [Member] | Consumer [Member]
   
Summary of Loans by Class of Loans    
Total Loans $ 6,298 $ 6,216