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Stock-Based Compensation - Summary of the Company's Stock Option Activity (Details) - Stock Options - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Shares      
Options outstanding at the beginning of the period (in shares) 956,164    
Granted (in shares) 210,243 187,484 273,800
Exercised (in shares) (58,404)    
Forfeited (in shares) (17,164)    
Canceled (in shares) (24,868)    
Options outstanding at the end of the period (in shares) 1,065,971 956,164  
Options exercisable (in shares) 623,487    
Weighted Average Exercise Price Per Share      
Options outstanding at the beginning of the period (in dollars per share) $ 21.58    
Granted (in dollars per share) 18.40    
Exercised (in dollars per share) 6.57    
Options forfeited weighted average cost (in dollars per share) 23.81    
Options canceled weighted average cost (in dollars per share) 21.18    
Options outstanding at the end of the period (in dollars per share) 21.75 $ 21.58  
Options exercisable (in dollars per share) $ 20.96    
Aggregate Intrinsic Value      
Options outstanding (in dollars) $ 0.4    
Options exercisable (in dollars) $ 0.4