License and Collaboration Agreements - Summary of Balances of Receivables, Contract Assets and Deferred Revenue (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts receivable, net, current and non-current:
Beginning of period	$ 34,701,000	$ 46,266,000	$ 42,303,000
End of period	29,586,000	34,701,000	46,266,000
Contract assets:
Beginning of period	1,074,000	350,000
End of period	0	1,074,000	350,000
Deferred revenue, current and non-current:
Beginning of period	3,333,000	4,232,000	3,333,000
End of period	1,829,000	3,333,000	4,232,000
Revenue recognized during the period from:
Amounts included in deferred revenue at beginning of period	3,333,000	390,000
Performance obligations satisfied in previous periods	$ 101,921,000	$ 98,575,000	$ 146,772,000