Summary of Significant Accounting Policies - Additional Information (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2021
USD ($)
agreement
|
Dec. 31, 2020
USD ($)
|
|
| Subsidiary, Sale of Stock | ||
| Number of collaborative agreements | agreement | 2 | |
| Impairment losses on long-lived assets | $ | $ 0 | $ 0 |