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Stock-Based Compensation - Summary of Fair Value of Stock Option Awards (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Expected volatility, minimum 96.00% 95.00% 96.00% 95.00%
Expected volatility, maximum 97.00% 96.00% 97.00% 103.00%
Risk-free interest rate, minimum 2.90% 0.90% 1.60% 0.60%
Risk free interest rate, maximum 3.60% 1.20% 3.60% 1.20%
Minimum        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Expected term (in years) 5 years 6 months 6 years 5 years 6 months 5 years
Maximum        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Expected term (in years) 6 years 1 month 6 days 6 years 1 month 6 days 6 years 1 month 6 days 6 years 1 month 6 days