Stock-Based Compensation - Summary of Assumptions Used to Determine Grant-Date Fair Value of Options Granted (Details) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | ||
| Expected volatility | 74.00% | 75.00% |
| Risk-free interest rate, minimum | 0.82% | 0.31% |
| Risk-free interest rate, maximum | 1.34% | 1.67% |
| Expected term (in years) | 6 years | 6 years |