License and Collaboration Agreements - Summary of Changes in Balances of Receivables, Contract Assets and Deferred Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accounts receivable, net, current and non-current:
Balance, beginning of period	$ 34,701	$ 46,266
Additions	28,057	18,718
Deductions	(33,652)	(21,086)
Balance, end of period	29,106	43,898
Contract assets:
Balance, beginning of period	1,074	350
Additions	602	649
Deductions	(550)	(350)
Balance, end of period	1,126	649
Deferred revenue, current and non-current:
Balance, beginning of period	3,333	4,232
Deductions		(108)
Balance, end of period	3,333	4,124
Revenue recognized during the period from:
Amounts included in deferred revenue at beginning of period		108
Performance obligations satisfied in previous periods	$ 21,541	$ 18,651