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Collaboration Agreements, License Agreement and Revenues - AstraZeneca U.S./RoW Agreement - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Accounts receivable from related parties	$ 29,030			$ 29,030		$ 12,553
Related cost of goods sold	$ 5,295		$ 4,243	$ 36,227	$ 13,441
AstraZeneca U.S./RoW Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cumulative catch-up net adjustment		$ 25,700
Related accounts receivable		26,000
Related accrued liabilities		11,500
Related cost of goods sold		$ 21,100

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