The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2018-01-01
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The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2018-01-01
-Paragraph 26
-Subparagraph a
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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

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The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2018-01-01
-Paragraph 21
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-Clause iv
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The cash inflow from the pre-production sale during the year.

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PROPERTY, PLANT AND EQUIPMENT (Details Textual) - CAD ($) $ in Thousands	1 Months Ended			12 Months Ended
	Apr. 13, 2018	Apr. 13, 2018	Mar. 01, 2017	Dec. 31, 2018	Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items]
Borrowing costs capitalised				$ 0	$ 10,168
Proceeds from pre-production sales				$ 0	67,493
Proportion of ownership interest in joint operation			49.00%
Kennady North Project [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Proportion of ownership interest in joint operation	100.00%
Acquisitions through business combinations, property, plant and equipment		$ 32,776			$ 2,777