Collaborations and Other Arrangements - Summary of Changes in Accounts Receivable and Contract Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Accounts receivable:
Accounts receivable, Balance at Beginning of Period	$ 3,768	$ 2,031
Accounts receivable, Additions	15,287	8,678
Accounts receivable, Deductions	(12,564)	(6,686)
Accounts receivable, Balance at End of Period	6,491	4,023
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	63,771	127,235
Deferred revenue, Deductions	(37,705)	(46,739)
Deferred revenue, Balance at End of Period	$ 26,066	$ 80,496