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INVESTMENTS (Details 1) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
DisclosureOfInvestmentsLineItems [Line Items] |  |
Investments, beginning | $ 45,166 | $ 5,049
Fair value changes through profit and loss | (5,411) | 2,417
Investments, ending | 2,255 | 45,166
Equity instruments |  |
DisclosureOfInvestmentsLineItems [Line Items] |  |
Purchases, equity | 0 | 200
Debt instruments |  |
DisclosureOfInvestmentsLineItems [Line Items] |  |
Purchases, debt | 0 | 40,000
Sales, debt | $ (37,500) | $ (2,500)

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