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Earnings per Share (Detail Textuals) - USD ($)
 12 Months Ended
Aug. 06, 2015
Jun. 11, 2013
May. 15, 2013
May. 09, 2012
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 19, 2008
Class of Stock [Line Items]                
Total purchase price of preferred shares redeemed             $ 18,255,000  
Share repurchase plan, Authorized amount $ 2,000,000              
Number of common stock repurchased 2,155       2,155 0 0  
Average price per share of common stock repurchased $ 15.39              
U.S. Treasury Department's Capital Purchase Program                
Class of Stock [Line Items]                
Preferred Stock, Shares Issued               30,255
Preferred stock, par value (in dollars per share)               $ 1,000
Redemption of preferred shares     18,255 12,000        
Total purchase price of preferred shares redeemed     $ 18,500,000 $ 12,100,000        
U.S. Treasury Department's Capital Purchase Program | Ten year warrant                
Class of Stock [Line Items]                
Number of common stock called by warrants               287,133
U.S. Treasury Department's Capital Purchase Program | Common stock warrant                
Class of Stock [Line Items]                
Total purchase price of warrants repurchased   $ 540,000            
Purchase price per share of warrants repurchased (in warrants per share)   $ 1.88