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Stock-based Compensation - Restricted Stock and Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Weighted Average Grant Date Fair Value          
Compensation expense $ 5,881 $ 10,012 $ 23,930 $ 35,742  
Restricted Stock          
Changes in unvested restricted stock          
Unvested restricted shares, beginning of period (in shares)     628,732    
Issued (in shares)     1,334,826    
Vested (in shares)     (271,037)    
Forfeited (in shares)     (188,839)    
Unvested restricted shares, end of period(in shares) 1,503,682   1,503,682   628,732
Weighted Average Grant Date Fair Value          
Balance, beginning of period     $ 41.28    
Issued (in dollars per share)     15.57    
Vested (in dollars per share)     44.69    
Forfeited (in dollars per share)     31.88    
Balance, ending of period $ 19.02   $ 19.02   $ 41.28
Unrecognized stock-based compensation expense $ 16,000   $ 16,000    
Period for recognition     2 years 9 months 14 days    
Performance based awards | Employees          
Changes in unvested restricted stock          
Issued (in shares)     563,294    
Stock options          
Weighted Average Grant Date Fair Value          
Unrecognized stock-based compensation expense $ 37,000   $ 37,000    
Period for recognition     3 years 1 month 6 days    
Changes in unvested stock options          
Outstanding, beginning of period (in shares)     3,016,085    
Granted (in shares)     2,749,534    
Exercised (in shares)     (17,569)    
Cancelled (in shares)     (531,926)    
Outstanding, end of period (in shares) 5,216,124   5,216,124   3,016,085
Exercisable (in shares) 1,906,975   1,906,975    
Outstanding, beginning of period (in dollars per share)     $ 34.24    
Granted (in dollars per share)     14.64    
Exercised (in dollars per share)     16.97    
Cancelled (in dollars per share)     30.78    
Outstanding, end of period (in dollars per share) $ 24.32   24.32   $ 34.24
Exercisable (in dollar per share) $ 30.80   $ 30.80    
Remaining contractual life     8 years 2 months 12 days   7 years 6 months
Exercisable, remaining contractual life     6 years 9 months 18 days    
Aggregate intrinsic value $ 1,534,373   $ 1,534,373   $ 5,052,469
Exercisable, aggregated intrinsic value $ 807,066   $ 807,066