Commitments and Contingencies - Additional Information (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Commitments And Contingencies [Line Items] | ||
| Contingent liability for aggregate minimum lease payments | $ 3,900,000 | |
| Contract Liabilities | ||
| Commitments And Contingencies [Line Items] | ||
| Contract liabilities | $ 10,000,000 | $ 10,000,000 |
| Imugene | ||
| Commitments And Contingencies [Line Items] | ||
| Lease expiration date | Aug. 31, 2027 | |
| Guarantor contract liability | $ 0 |