Collaborations and Other Arrangements - Summary of Changes in Accounts Receivable and Contract Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Accounts receivable:
Accounts receivable, Balance at Beginning of Period	$ 36,456	$ 3,768
Accounts receivable, Additions	19,422	15,287
Accounts receivable, Deductions	(47,024)	(12,564)
Accounts receivable, Balance at End of Period	8,854	6,491
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	60,993	63,771
Deferred revenue, Additions	0	0
Deferred revenue, Deductions	(16,231)	(37,705)
Deferred revenue, Balance at End of Period	$ 44,762	$ 26,066