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Additional information on the consolidated statements of income (loss) - Disclosure of employee benefits (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Additional Information On Consolidated Statements Of Loss Line Items    
Employee benefit expenses $ 28,586 $ 20,142
Employee benefit expenses [Member]    
Additional Information On Consolidated Statements Of Loss Line Items    
Salaries and wages 17,494 12,282
Share-based compensation 13,280 9,361
Cost recoveries from associates (2,188) (1,501)
Employee benefit expenses $ 28,586 $ 20,142