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Share-Based Compensation - Summary of Stock Option Activity (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Shares [Roll Forward]    
Outstanding, beginning of period (in shares) 3,627,047  
Granted (in shares) 939,600  
Exercised (in shares) (154,335)  
Forfeited or Expired (in shares) (38,316)  
Outstanding, end of period (in shares) 4,373,996  
Exercisable, end of period (in shares) 1,024,276 683,489
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning of period (weighted average exercise price) $ 36.32  
Granted (weighted average exercise price) 44.32  
Exercised (weighted average exercise price) 29.13  
Forfeited or Expired (weighted average exercise price) 38.86  
Outstanding, end of period (weighted average exercise price) 38.27  
Exercisable, end of period (weighted average exercise price) $ 32.73 $ 26.11