Stock-Based Compensation - Summary of Assumptions Used in Black-Scholes Option Pricing Model (Detail) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Risk-free interest rate, minimum | 3.38% | 2.83% | 3.38% | 1.70% |
| Risk-free interest rate, maximum | 3.89% | 3.54% | 4.22% | 3.54% |
| Expected volatility, minimum | 80.30% | 77.80% | 76.30% | 77.80% |
| Expected volatility, maximum | 81.30% | 81.50% | 81.30% | 81.90% |
| Expected dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |
| Employee and Board of Directors Options [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Expected life of options (in years) | 6 years 3 months | 6 years 3 months | 6 years 3 months | 6 years 3 months |