Annual report pursuant to Section 13 and 15(d)

Share-based Compensation - Movements in Restricted Stock Awards (Details)

v3.21.1
Share-based Compensation - Movements in Restricted Stock Awards (Details) - Restricted stock awards - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Shares    
Non-vested at beginning 227,981  
Granted 193,828 555,403
Vested (15,844) (327,422)
Forfeited (15,178)  
Non-vested at ending 390,787 227,981
Weighted-Average Grant Date Fair Value    
Non-vested at beginning $ 13.56 $ 5.28
Granted 23.42 4.95
Vested (21.82) (4.71)
Forfeited (6.39)  
Non-vested at ending $ 13.56 $ 5.28