License and Collaboration Agreements - Summary of Changes in the Total Contract Liability (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Research and Development [Abstract]
Balance at beginning of period	$ 18,334	$ 39,747	$ 21,203	$ 45,201
Recognition of deferred revenue	(3,008)	(4,539)	(5,877)	(9,993)
Other		100		100
Balance at end of period	$ 15,326	$ 35,308	$ 15,326	$ 35,308