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Grant Income - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Dec. 20, 2023 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Deferred Income [Line Items] |  |  |  |  |  |
Proceeds received |  | $ 0 | $ 0 | $ 0 | $ 1,629 |
Income recognized rcognized |  | 13 | 577 | 342 | 782 |
Restricted cash |  | 1,525 |  | 1,525 |  | $ 1,738
Coalition for Epidemic Preparedness Innovations |  |  |  |  |  |
Deferred Income [Line Items] |  |  |  |  |  |
Maximum funding amount | $ 34,800 |  |  |  |  |
Maximum royalty payment period | 10 years |  |  |  |  |
Proceeds received |  |  |  | 0 | 1,600 |
Income recognized rcognized |  | 10 | $ 600 | 300 | $ 800 |
Restricted cash |  | $ 1,500 |  | $ 1,500 |  | $ 1,700

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