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Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Tax and related expenses	$ 18	$ 15,165
Other	3,460	3,897
Total accrued expenses and other current liabilities	32,135	38,473
Supply Agreement | Vaxcyte
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration and license agreements and supply agreement accruals	9,440	6,933
CMO
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration and license agreements and supply agreement accruals	10,929	8,195
Clinical Trials
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration and license agreements and supply agreement accruals	$ 8,288	$ 4,283

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