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Share-based Compensation - Nonvested Restricted Shares and RSUs Activity (Details) - Restricted Shares and RSUs
 6 Months Ended
Jun. 30, 2022
$ / shares
shares
Shares  
Beginning balance (in shares) | shares 1,086,329
Granted (in shares) | shares 686,927
Vested (in shares) | shares (421,015)
Forfeited (in shares) | shares (3,986)
Ending balance (in shares) | shares 1,348,255
Weighted-average grant date fair value  
Beginning balance (in usd per share) | $ / shares $ 34.73
Granted (in usd per share) | $ / shares 42.06
Vested (in usd per share) | $ / shares 33.02
Forfeited (in usd per share) | $ / shares 36.31
Ending balance (in usd per share) | $ / shares $ 38.99