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Disclosure on the Group's Objectives, Policies and Processes for Managing Its Capital Structure (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
CAD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2019
CAD ($)
Disclosure on the Group's Objectives, Policies and Processes for Managing Its Capital Structure        
Total debt $ 35,538 $ 35,227    
Less:cash (63,717) (54,873) $ (63,552) $ (78,274)
Shareholders' equity 325,158 365,600    
Long-term debt $ 35,538 $ 35,227    
Long-term debt-to-equity ratio 0.11 0.10