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RISK AND CAPITAL MANAGEMENT: FINANCIAL INSTRUMENTS (Narrative) (Details) - CAD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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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 |

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