Collaborations and Other Arrangements - Summary of Changes in Accounts Receivable and Contract Liabilities (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Accounts receivable:
Accounts receivable, Balance at Beginning of Period	$ 36,456	$ 3,768
Accounts receivable, Additions	11,809	9,305
Accounts receivable, Deductions	(35,936)	(8,017)
Accounts receivable, Balance at End of Period	12,329	5,056
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	60,993	63,771
Deferred revenue, Additions	0	0
Deferred revenue, Deductions	(10,757)	(28,919)
Deferred revenue, Balance at End of Period	$ 50,236	$ 34,852