Collaborations and Other Arrangements - Summary of Changes in Accounts Receivable and Contract Liabilities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Accounts receivable:
Accounts receivable, Balance at Beginning of Period	$ 36,456	$ 3,768
Accounts receivable, Additions	26,524	51,421
Accounts receivable, Deductions	(54,463)	(18,733)
Accounts receivable, Balance at End of Period	8,517	36,456
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	60,993	63,771
Deferred revenue, Additions	0	40,312
Deferred revenue, Deductions	(22,076)	(43,090)
Deferred revenue, Balance at End of Period	$ 38,917	$ 60,993