Business, basis of presentation, COVID-19 update, and CARES Act - Additional information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Apr. 30, 2020	Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2022	Dec. 31, 2021
Business And Basis Of Presentation [Line Items]
Contract liability (Note 11)	$ 13,900		$ 13,851
Deferred and other long-term liabilities			2,200
Scenario Forecast [Member]
Business And Basis Of Presentation [Line Items]
CARES Act of 2020 deferred taxes percentage				50.00%	50.00%
Other Current Liabilities [Member]
Business And Basis Of Presentation [Line Items]
Contract liability (Note 11)			6,900
U.S. Department of Health and Human Services [Member]
Business And Basis Of Presentation [Line Items]
Contract liability (Note 11)	$ 4,700
Proceeds from funding retained			$ 4,700
Deferred income liability recognized other income		$ 4,700