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Share-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]  
Summary of nonvested restricted shares and RSUs activity
The following table summarizes nonvested restricted shares and RSUs activity for the nine months ended September 30, 2020:
Nonvested restricted shares and RSUs
 
Shares
 
Weighted-average
grant date fair value
Nonvested at December 31, 2019
 
1,592,755

 
$
20.71

Forfeited
 
(149,811
)
 
19.18

Vested
 
(402,842
)
 
26.98

Granted
 
413,733

 
31.62

Nonvested at September 30, 2020
 
1,453,835

 
$
24.30