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Stock-Based Compensation - Summary of Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Number of Shares    
Outstanding 4,763,489  
Granted 1,253,675  
Forfeited/Cancelled (796,424)  
Outstanding 5,220,740 4,763,489
Exercisable 3,166,270  
Vested and expected to vest 5,220,740  
Weighted Average Exercise Price Per Share    
Outstanding $ 12.56  
Granted 5.74  
Forfeited/Cancelled 13.44  
Outstanding 10.79 $ 12.56
Exercisable 10.08  
Vested and expected to vest $ 10.79  
Weighted Average Remaining Contractual Term    
Outstanding 5 years 11 months 23 days 6 years 5 months 8 days
Exercisable 4 years 6 months 10 days  
Vested and expected to vest 5 years 11 months 23 days  
Outstanding [1]   $ 10,370
[1] Aggregate intrinsic value is calculated as the difference between the exercise price of the underlying options and the fair value of common stock for those stock options that had exercise prices lower than the fair value of the Company’s common stock as of September 30, 2022 and December 31, 2021.