Development, Commercialization and Supply Agreement - Changes in Balances of Contract Assets and Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Contract liabilities:
Deferred revenue, Balance at Beginning of Period	$ 16,709	$ 18,632
Deferred revenue, Additions		92
Deferred revenue, Deductions	(1,012)	(1,592)
Deferred revenue, Balance at End of Period	$ 15,697	$ 17,132