Stockholders' Equity - Summary of Assumptions Used to Determine Fair Value of Employee Stock Option Grants, Employee Stock Purchase Plan and Performance Options with Market Condition (Detail) - Employee Stock Option [Member] |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Risk-free interest rate, minimum | 2.80% | 1.07% | 1.70% | 0.60% |
Risk-free interest rate, maximum | 3.00% | 1.09% | 3.00% | 1.09% |
Expected volatility, minimum | 84.70% | 87.40% | 84.70% | 88.30% |
Expected volatility, maximum | 84.90% | 88.29% | 86.50% | 104.80% |
Expected dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |
Minimum [Member] | ||||
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Expected term (in years) | 6 years 7 days | 5 years 6 months | 6 years 7 days | 5 years 6 months |
Maximum [Member] | ||||
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Expected term (in years) | 6 years 21 days | 6 years 29 days | 6 years 29 days | 6 years 29 days |