Other liabilities

12 Months Ended

Dec. 31, 2022

Miscellaneous current liabilities [abstract]

Other liabilities [Text Block]

14. Other liabilities

		Dec. 31, 2022		Dec. 31, 2021
Unearned revenue	$	15,086	$	7,983
Environmental and other provisions (note 20)		24,091		41,017
Pension liability (note 21)		4,146		10,472
Other employee benefits (note 22)		3,483		3,530
	$	46,806	$	63,002