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Stock-Based Compensation - Summary of Fair Value of Employee Stock Options Estimated using Weighted-Average Assumptions (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Abstract]    
Expected term in years 6 years 6 years
Expected volatility 91.00% 91.00%
Risk-free interest rate 1.00% 0.90%
Expected dividend yield   0.00%
Weighted average fair value of share-based awards granted $ 13.27 $ 6.93