INVESTMENT IN AN ASSOCIATED COMPANY - Disclosure of detailed information about changes in investment in IGC (Details) - IG Copper, LLC [Member] - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Disclosure of associates [line items]
Balance	$ 0	$ 7,579
Additional investments in IGC	0	2,265
Dilution loss	0	(578)
Share of equity income	0	98,919
Equity investment share based payments	0	246
Distributions received	0	(89,490)
Loss on derecognition of an investment in associated entity	0	(18,030)
Derecognized as an investment in associated entity	0	(911)
Balance	$ 0	$ 0

Represents the additional investments in associates.

No definition available.

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- Definition

Represents value of derecognized as investment in associated entity.

+ References

No definition available.

+ Details

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- Definition

Represents amount of dilution gain loss as investment in associated entity.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of gain (loss) arising from derecognition of investment in associates.

+ References

No definition available.

+ Details

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- Definition

Adjustments for gain (loss) on disposals investments in subsidiaries, joint ventures and associates to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries, joint ventures and associates; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2018-01-01
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The cash inflow representing dividends received from associates, classified as investing activities. [Refer: Associates [member]; Dividends received]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2018-01-01
-Paragraph 16
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- Definition

The amount of investments in associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
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- Definition

The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2018-01-01
-Paragraph 23
-Subparagraph g
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-Note Effective on first application of IFRS 9
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