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Share-based Compensation - Summary of Nonvested Share Grants (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Summary of the status of non vested share grants [Roll Forward]      
Beginning balance nonvested 1,588,000 1,697,000 1,667
Granted 598,000 573,000 670
Vested (750,000) (770,000) (573)
Forfeited     (67)
Forfeited and other (34,000) 88,000  
Ending balance nonvested 1,402,000 1,588,000 1,697,000
Weighted-Average Grant-Date Fair Value [Roll Forward]      
Beginning balance nonvested $ 39.30 $ 31.71 $ 26.68
Granted 79.26 48.83 38.15
Vested 33.39 27.78 24.90
Forfeited     30.44
Forfeited and other 52.27 38.31  
Ending balance nonvested $ 54.94 $ 39.30 $ 31.71
Aggregate Intrinsic Value      
Vested $ 60,346    
Balance nonvested $ 153,989