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Employee Benefits and Stock Compensation - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Defined Contribution Plan, Cost Recognized $ 1,499,000 $ 1,198,000 $ 807,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased 300,000    
Share-based Compensation Arrangement by Share-based Payment Award, Rate at Which the Restricted Shares Converted to Restricted Stock Awards 150.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date 95.00%    
2013 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation By Share Based Payments Award Number Of Shares Outstanding 948,857    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 1,700,000    
Previous Company Plans [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation By Share Based Payments Award Number Of Shares Outstanding 119,604    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 960,000    
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation Arrangement By Share Based Payment Award, Shares Issued In Period Price Per Share   $ 10.19 $ 11.00
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period   27,692 195,000