XML 67 R56.htm IDEA: XBRL DOCUMENT v3.21.1
Share-Based Compensation - Summary of Stock Option Activity (Details) - $ / shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Shares [Roll Forward]    
Outstanding, beginning of period (in shares) 3,752,945  
Granted (in shares) 340,455  
Exercised (in shares) (269,783)  
Forfeited or Expired (in shares) (37,573)  
Outstanding, end of period (in shares) 3,786,044  
Exercisable, end of period (in shares) 1,192,683 1,024,276
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning of period (weighted average exercise price) $ 39.00  
Granted (weighted average exercise price) 73.36  
Exercised (weighted average exercise price) 34.98  
Forfeited or Expired (weighted average exercise price) 42.39  
Outstanding, end of period (weighted average exercise price) 42.35  
Exercisable, end of period (weighted average exercise price) $ 35.82 $ 32.73