Income Taxes - Schedule of Income Tax Expense (Recovery) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current income tax expense	$ (437)	$ (292)	$ (1,373)
Deferred income tax recovery (expense)	953	(137)	1,955
Income tax recovery (expense)	$ 516	$ (429)	$ 582