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Common Stock and Stock-Based Compensation - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended 36 Months Ended
Dec. 06, 2018
Nov. 01, 2018
Oct. 29, 2018
Aug. 04, 2015
Oct. 31, 2018
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Oct. 30, 2018
Aug. 09, 2017
Aug. 09, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock repurchase program, authorized amount                       $ 100,000,000 $ 75,000,000.0
Repurchases of common stock             $ 17,961,000 $ 73,105,000 $ 43,792,000        
Shares of common stock repurchased (in shares)             317,429 1,348,563 674,857 2,590,258      
Share-based payment award, award vesting period             4 years            
Number of shares available for grant (in shares)             1,934,193            
Weighted-average grant-date fair value of options granted (in dollars per share)             $ 22.18 $ 26.73 $ 32.83        
Unrecognized compensation cost             $ 19,051,000            
Unrecognized compensation cost expense term             2 years            
Total intrinsic value of options exercised             $ 1,068,000            
Weighted average contractual terms of options outstanding             6 years 9 months 18 days 7 years 3 months 18 days 7 years        
Aggregate pre-tax intrinsic value of options outstanding           $ 10,700,000 $ 31,900,000 $ 10,700,000 $ 33,700,000 $ 10,700,000      
Common stock                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Share-based payment award, number of additional shares authorized (in shares)       500,000                  
RSU                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Unrecognized compensation cost expense term             3 years            
Unrecognized compensation cost             $ 7,028,000            
PSU                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Unrecognized compensation cost expense term             2 years            
Unrecognized compensation cost             $ 3,098,000            
Risk free interest rate             2.06%            
Expected volatility             47.00%            
Expected term (in years)             3 years            
October 2018 Plan                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock repurchase program, authorized amount                     $ 150,000,000    
Accelerated Share Repurchase                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock repurchase program, authorized amount                     50,000,000    
Accelerated Share Repurchases, Settlement (Payment) or Receipt                     50,000,000    
Repurchases of common stock   $ 50,000,000                      
Shares of common stock repurchased (in shares) 297,146       702,988 1,000,134              
Percent of authorized shares purchased         80.00%                
Closing prince per share of shares acquired (in dollars per share)     $ 56.90                    
Additional Shares                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock repurchase program, authorized amount                     $ 100,000,000