Collaborations and Other Arrangements - Summary of Changes in Accounts Receivable and Contract Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Accounts receivable:
Accounts receivable, Balance at Beginning of Period	$ 2,031	$ 2,130
Accounts receivable, Additions	8,678	5,575
Accounts receivable, Deductions	(6,686)	(5,214)
Accounts receivable, Balance at End of Period	4,023	2,491
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	127,235	73,931
Deferred revenue, Additions		62,900
Deferred revenue, Deductions	(46,739)	(17,049)
Deferred revenue, Balance at End of Period	$ 80,496	$ 119,782