Collaborations and Other Arrangements - Summary of Changes in Accounts Receivable and Contract Liabilities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accounts receivable:
Accounts receivable, Balance at Beginning of Period	$ 3,768	$ 2,031
Accounts receivable, Additions	51,421	12,453
Accounts receivable, Deductions	(18,733)	(10,716)
Accounts receivable, Balance at End of Period	36,456	3,768
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	63,771	127,235
Deferred revenue, Additions	40,312	0
Deferred revenue, Deductions	(43,090)	(63,464)
Deferred revenue, Balance at End of Period	$ 60,993	$ 63,771