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Equity-Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Number of Stock Options    
Outstanding, beginning balance (in shares) 2,765,815  
Granted (in shares) 538,758  
Exercised (in shares) (200)  
Forfeited (in shares) (1,941)  
Outstanding, ending balance (in shares) 3,302,432 2,765,815
Number of stock options, exercisable (in shares) 2,713,224  
Number of stock options, vested and expected to vest (in shares) 3,302,432  
Number of stock options, non-vested (in shares) 589,208  
Weighted Average Exercise Price    
Outstanding, beginning balance (in USD per share) $ 16.71  
Granted (in USD per share) 27.62  
Exercised (in USD per share) 1.85  
Forfeited (in USD per share) 40.50  
Outstanding, ending balance (in USD per share) 18.48 $ 16.71
Weighted average exercise price, exercisable (in USD per share) 16.25  
Weighted average exercise price, vested and expected to vest (in USD per share) $ 18.48  
Weighted Average Remaining Contractual Term (Years)    
Outstanding, balance 5 years 6 months 7 days 4 years 10 months 28 days
Granted 9 years 11 months 23 days  
Weighted average remaining contractual term, exercisable 4 years 6 months 29 days  
Weighted average remaining contractual term, vested and expected to vest 5 years 6 months 7 days  
Weighted Average Grant Date Fair Value    
Granted (in USD per share) $ 14.37  
Forfeited (in USD per share) 18.35  
Weighted average grant date fair value, non-vested (in USD per share) $ 14.71  
Aggregate Intrinsic Value    
Outstanding, beginning balance $ 31,874  
Exercised 4  
Outstanding, ending balance 20,317 $ 31,874
Aggregate intrinsic value, exercisable 20,317  
Aggregate intrinsic value, vested and expected to vest $ 20,317