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Employee Benefits and Share-Based Compensation - Summary of Share Option Activity (Details) - 2009 Plan - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Number of Shares    
Outstanding at beginning of period (in shares) 2,954,000  
Granted (in shares) 0  
Exercised (in shares) (141,000)  
Expired (in shares) (1,000)  
Forfeited (in shares) (33,000)  
Outstanding at end of period (in shares) 2,779,000 2,954,000
Exercisable at end of period (in shares) 1,699,000  
Vested and expected to vest at end of period (in shares) 2,683,000  
Weighted-Average Exercise Price    
Outstanding at beginning of period (in dollars per share) $ 67.35  
Granted (in dollars per share) 0  
Exercised (in dollars per share) 51.47  
Expired (in dollars per share) 68.74  
Forfeited (in dollars per share) 80.32  
Outstanding at end of period (in dollars per share) 68.00 $ 67.35
Exercisable at end of period (in dollars per share) 58.65  
Vested and expected to vest at end of period (in dollars per share) $ 67.36  
Weighted-Average Remaining Years    
Outstanding 6 years 9 months 18 days 6 years 10 months 24 days
Exercisable 6 years  
Vested and expected to vest 6 years 8 months 12 days  
Aggregate Intrinsic Value    
Outstanding $ 171,505 $ 334,119
Exercisable 120,394  
Vested and expected to vest $ 167,177