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Stockholders' Equity and Equity Compensation - Additional Information (Details)
3 Months Ended
Mar. 31, 2016
USD ($)
plan
$ / shares
shares
Mar. 31, 2015
USD ($)
$ / shares
Nov. 30, 2015
USD ($)
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Share repurchase program, authorized amount $ 20,000,000   $ 20,000,000
Number of equity based compensation plans | plan 2    
Closing stock price (in dollars per share) | $ / shares $ 21.09 $ 18.05  
Stock Options [Member]      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Share based compensation expense $ 0 $ 100,000  
Stock Options [Member] | Minimum      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Award vesting period 7 years    
Stock Options [Member] | Maximum      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Award vesting period 10 years    
Stock Awards [Member]      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Share based compensation expense $ 2,300,000 $ 1,500,000  
Unrecognized share based compensation expense $ 18,800,000    
Weighted average recognition period 2 years 3 months 2 days    
2013 Employee Plan [Member]      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Number of shares of common stock reserved for issuance | shares 2,895,000    
Number of shares available for issuance | shares 350,022    
2011 Director Plan [Member]      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Number of shares of common stock reserved for issuance | shares 250,000    
Number of shares available for issuance | shares 69,264    
Open Market Repurchase Program [Member]      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Stock repurchased during period, shares | shares 858,582    
Stock repurchased during period, value $ 15,300,000    
Shares repurchased, average price per share (in Dollars per share) | $ / shares $ 17.83    
Equity Compensation Programs [Member]      
Stockholders' Equity and Equity Compensation (Details) [Line Items]      
Share repurchase program, authorized amount $ 10,000,000    
Stock repurchased during period, shares | shares 52,074.000    
Stock repurchased during period, value $ 1,000,000    
Shares repurchased, average price per share (in Dollars per share) | $ / shares $ 19.61