Stock-Based Compensation - Fair Value of Stock Options Granted is Calculated Using Black Scholes Option Pricing Model with Range of Assumptions (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 | 88.10% | 86.20% | 84.30% | 86.20% |
| Expected volatility, Maximum | 88.50% | 86.50% | 88.50% | 88.10% |
| Risk-free interest rate, Minimum | 3.00% | 0.90% | 1.60% | 0.50% |
| Risk-free interest rate, Maximum | 3.70% | 3.70% | 1.10% | |
| Expected dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |
| Minimum | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Expected term (years) | 6 years | 5 years 10 months 24 days | 5 years 3 months 18 days | 5 years 6 months |
| Maximum | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Expected term (years) | 6 years | 6 years 1 month 6 days | ||