Regulatory Capital (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Oct. 31, 2013
Dec. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2012
Regulatory Assets          
Common Equity     $ 99,783 $ 96,559  
Total stockholders' equity   $ 110,730 99,783 116,559 $ 79,047
Accumulated other comprehensive losses (gains)   1,057 251 378 (139)
Common equity Tier 1 capital     100,034 116,937  
TRUPs     12,000 12,000  
Tier 1 capital     112,034 128,937  
Allowable reserve for credit losses other     8,540 8,537  
Subordinated notes     23,000    
Tier 2 capital     143,574 137,474  
Risk-weighted assets ("RWA")     984,614 903,931  
Average Assets ("AA")     $ 1,118,843 $ 1,053,424  
Common Tier 1 capital to RWA, 2019 Regulatory Min. Ratio + CCB     7.00%    
Tier 1 capital to RWA, 2019 Regulatory Min. Ratio + CCB     8.50%    
Tier 2 capital to RWA, 2019 Regulatory Min. Ratio + CCB     10.50%    
Common Tier 1 capital to RWA     10.16%    
Tier 1 capital to RWA     11.38% 14.26%  
Tier 2 capital to RWA     14.58% 15.21%  
Tier 1 capital to AA (leverage)     10.01% 12.24%  
Proceeds from public offering $ 27,400 27,387      
Common Stock [Member]          
Regulatory Assets          
Total stockholders' equity   46 $ 46 $ 47 30
Proceeds from public offering   16      
SBLF Preferred Stock [Member]          
Regulatory Assets          
Total stockholders' equity   $ 20,000   20,000 $ 20,000
Bank [Member]          
Regulatory Assets          
Common Equity     132,571 126,838  
Total stockholders' equity     132,571 126,838  
Accumulated other comprehensive losses (gains)     251 378  
Common equity Tier 1 capital     132,822 127,216  
Tier 1 capital     132,822 127,216  
Allowable reserve for credit losses other     8,540 8,537  
Tier 2 capital     141,362 135,753  
Risk-weighted assets ("RWA")     982,347 902,136  
Average Assets ("AA")     $ 1,116,576 $ 1,051,627  
Common Tier 1 capital to RWA     13.52%    
Tier 1 capital to RWA     13.52% 14.10%  
Tier 2 capital to RWA     14.39% 15.05%  
Tier 1 capital to AA (leverage)     11.90% 12.10%