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Stock Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
May. 16, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price of options (in dollars per share)     $ 17.82 $ 13.93
Option exercises in period, intrinsic value   $ 1,151 $ 3,539 $ 93
Tax benefit of options exercised   821 1,178 38
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 1,675 1,573 2,212
Contractual term   10 years    
Total compensation cost not yet recognized   $ 3,775    
Total compensation cost not yet recognized, period for recognition   1 year 10 months 18 days    
Tax benefit of options exercised   $ 821 $ 1,178 $ 38
Stock Options [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   3 years    
Stock Options [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   7 years    
Non-Qualfied Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares issued (in shares)   406,875 427,219 868,219
Exercise price of options (in dollars per share)   $ 22.00 $ 17.82 $ 13.93
2014 Management Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Annual short-term cash incentives performance period 12 months      
Shares authorized   7,888,406