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Stock-based Compensation - Summary of Stock-Based Compensation Included in Statement of Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Stock-based compensation        
Total stock-based compensation expense $ 5,377 $ 5,948 $ 17,204 $ 19,343
Research and development        
Stock-based compensation        
Total stock-based compensation expense   233 1,591 2,697
Selling, general and administrative expenses        
Stock-based compensation        
Total stock-based compensation expense $ 5,377 $ 5,715 $ 15,613 $ 16,646