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Stock Based Compensation - Summary Of RSU And RSA Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Time-Based Restricted Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance (in shares) 1,560,685  
Granted (in shares) 616,224  
Vested (in shares) (891,633)  
Forfeited (in shares) (180,547)  
Balance (in shares) 1,104,729 1,560,685
Time-Based Restricted Stock Awards    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance (in shares) 98,445  
Granted (in shares) 0  
Vested (in shares) (37,309)  
Forfeited (in shares) 0  
Balance (in shares) 61,136 98,445
Time-based RSUs and RSAs    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance (in shares) 1,659,130  
Granted (in shares)   616,224
Vested (in shares)   (928,942)
Forfeited (in shares) (180,547)  
Balance (in shares) 1,165,865 1,659,130
Weighted-Average Grant Date Fair Value    
Balance (in dollars per share) $ 33.88  
Granted (in dollars per share)   $ 60.99
Vested (in dollars per share)   32.53
Forfeited (in dollars per share) 38.89  
Balance (in dollars per share) $ 48.47 $ 33.88
Performance-Based Restricted Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance (in shares) 176,869  
Granted (in shares) 83,110  
Vested (in shares) (155,589)  
Cancelled (in shares) (61,400)  
Forfeited (in shares) (27,238)  
Balance (in shares) 15,752 176,869
Performance-Based Restricted Stock Awards    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance (in shares) 248,347  
Granted (in shares) 0  
Vested (in shares) (122,387)  
Cancelled (in shares) 0  
Forfeited (in shares) (11,103)  
Balance (in shares) 114,857 248,347
Performance-based RSUs and RSAs    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance (in shares) 425,216  
Granted (in shares) 83,110  
Vested (in shares) (277,976)  
Cancelled (in shares) (61,400)  
Forfeited (in shares) (38,341)  
Balance (in shares) 130,609 425,216
Weighted-Average Grant Date Fair Value    
Balance (in dollars per share) $ 42.02  
Granted (in dollars per share) 59.83  
Vested (in dollars per share) 39.45  
Cancelled (in dollars per share) 61.75  
Forfeited (in dollars per share) 41.52  
Balance (in dollars per share) $ 49.70 $ 42.02