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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 2,000 $ 1,500 $ 4,644 $ 4,493
Stock options granted     277,000  
Performance-based restricted stock units granted     278,000  
Time-vesting restricted stock units granted     199,000  
Expected volatility rate, minimum     48.28%  
Expected volatility rate, maximum     55.17%  
Risk free interest rate, minimum     1.75%  
Risk free interest rate, maximum     2.34%  
Weighted average exercise price of options granted     $ 21.34  
Weighted average grant date fair value of options granted     $ 9.27  
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividend yield     3.76%  
Expected term     5 years 9 months  
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividend yield     0.00%  
Expected term     3 years 6 months  
Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant date fair value of restricted stock units granted     $ 33.70  
Performance-based restricted stock units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant date fair value of restricted stock units granted     $ 21.05