Income Taxes - Summary of Income Tax Provision (Recovery) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax [Line Items]
Current	$ (5,150)	$ (660)	$ 3,672
Deferred	9,831	(2,866)	(6,462)
Provision For (Recovery Of) Income Taxes	4,681	(3,526)	(2,790)
US State [Member]
Income Tax [Line Items]
Current	72	135	260
Deferred	(2,085)	(176)	(434)
Provision For (Recovery Of) Income Taxes	(2,013)	(41)	(174)
Canadian [Member]
Income Tax [Line Items]
Current	(5,222)	(795)	3,412
Deferred	(2,734)	588	(1,149)
Provision For (Recovery Of) Income Taxes	(7,956)	(207)	2,263
US Federal [Member]
Income Tax [Line Items]
Deferred	14,650	(3,278)	(4,879)
Provision For (Recovery Of) Income Taxes	$ 14,650	$ (3,278)	$ (4,879)