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RISK AND CAPITAL MANAGEMENT: FINANCIAL INSTRUMENTS (Narrative) (Details) - CAD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items]    
Working capital $ (14,313) $ 68,995
Market Risk [Member]    
Disclosure of detailed information about financial instruments [line items]    
Potential change in market prices 10.00%  
Value at risk $ 1,534  
Currency Risk [Member]    
Disclosure of detailed information about financial instruments [line items]    
Potential change in market prices 10.00%  
Value at risk $ 2,930