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Stock-Based Compensation - Schedule of Restricted Stock Award Activity (Details) - Restricted stock - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Number of Shares    
Unvested, beginning balance (in shares) 3,372,585  
Granted (in shares) 2,480,410 0
Vested (in shares) (81,060) 0
Cancelled/forfeited (in shares) (295,834)  
Unvested, ending balance (in shares) 5,476,101  
Weighted-Average Grant-Date Fair Value Per Share    
Unvested, beginning balance (in dollars per share) $ 24.83  
Granted (in dollars per share) 13.06 $ 4.95
Vested (in dollars per share) 6.33  
Cancelled/forfeited (in dollars per share) 14.36  
Unvested, ending balance (in dollars per share) $ 20.34