Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Textual)

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Subsequent Events (Details Textual) (USD $)
1 Months Ended 2 Months Ended 12 Months Ended
Dec. 31, 2012
Feb. 29, 2012
Mar. 07, 2013
Dec. 31, 2012
Feb. 28, 2013
Jan. 09, 2013
Subsequent Events (Textual) [Abstract]            
Date of agreement with borrower       Jan. 09, 2013    
Common stock acquired of Virginia National Bank, shares           190,152.5
Common stock acquired of Virginia National Bank           $ 2,600,000
Share repurchase program, maximum limit 750,000 335,649   750,000 750,000  
Purchase of Markel common shares, shares     500,000      
Repurchase of common stock $ 11,580,000 $ 4,363,437 $ 9,500,000 $ 14,445,000    
Per share price $ 15.44 $ 13.00 $ 19 $ 15.44