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Stockholder's Equity and Employee Benefit Plans - Summary of Restricted Stock Units (Details) - Restricted Stock Units - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Number of Shares    
Unvested at December 31, 2021 5,996,059  
Granted 5,631,715  
Vested (876,659)  
Forfeited/cancelled (587,399)  
Unvested at March 31, 2022 10,163,716 5,996,059
Weighted Average Grant-Date Fair Value    
Unvested at December 31, 2021 $ 21.33  
Granted 16.20  
Vested 19.48  
Forfeited/cancelled 20.44  
Unvested at March 31, 2022 $ 18.70 $ 21.33
Weighted Average Remaining Contractual Term (in years)    
Unvested, Weighted Average Remaining Contractual Term 1 year 3 months 18 days 1 year 1 month 6 days