Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Payments - Summary of Stock-based Compensation Expense for Stock Options and Restricted Stock Units (Details)

v3.21.2
Stock-Based Payments - Summary of Stock-based Compensation Expense for Stock Options and Restricted Stock Units (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share based Arrangement expense recognized $ 2,096 $ 2,723 $ 7,479 $ 7,909
Research and development        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share based Arrangement expense recognized 1,485 1,229 4,260 3,459
General and administrative        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share based Arrangement expense recognized $ 611 $ 1,494 $ 3,219 $ 4,450