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Share-based Compensation - Activity (Details)
6 Months Ended
Jun. 30, 2022
shares
Stock Options  
Outstanding — beginning balance 8,085,793
Granted 1,422,500
Exercised (212,791)
Canceled (657,005)
Outstanding — ending balance 8,638,497
Exercisable — ending balance 5,229,193
RSUs  
Restricted Stock Units  
Non-vested — beginning balance 1,247,723
Granted 2,203,100
Vested (1,911,264)
Forfeited (130,633)
Non-vested — ending balance 1,408,926