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v3.20.1

Additional information on the consolidated statements of loss - Disclosure of detailed information about cost of sales (Details) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Additional Information On Consolidated Statements Of Loss Line Items |  |
Cost of sales | $ 262,881 | $ 371,305
Royalty interests [Member] |  |
Additional Information On Consolidated Statements Of Loss Line Items |  |
Cost of sales | 272 | 245
Stream interests [Member] |  |
Additional Information On Consolidated Statements Of Loss Line Items |  |
Cost of sales | 13,437 | 13,181
Offtake interests [Member] |  |
Additional Information On Consolidated Statements Of Loss Line Items |  |
Cost of sales | $ 249,172 | $ 357,879

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- Definition The amount of costs relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_99&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_103&doctype=Standard -URIDate 2018-03-16 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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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- Details
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- Details
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Namespace Prefix: |
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- Details
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