Stock-Based Compensation - Assumptions Used in Granting Stock Options (Details) - Stock option awards - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2020 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Granted (in shares) | 0 | |
| Weighted average grant date fair value (in dollars per share) | $ 1.16 | |
| Expected term (in years) | 6 years | |
| Expected stock volatility | 86.00% | |
| Dividend yield | 0.00% | |
| Risk-free interest rate | 1.00% | |