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Provision for Site Reclamation and Closure (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of other provisions [line items] |  |
Balance, beginning of the year | $ 2,134 | $ 1,891
Provision, assumed on acquisition of Eastmain | 1,849 |
Accretion | 34 | 40
Change in estimate | 273 | 203
Balance, end of the year | 4,290 | 2,134
Québec |  |
Disclosure of other provisions [line items] |  |
Balance, beginning of the year | 0 | 0
Provision, assumed on acquisition of Eastmain | 1,849 |
Accretion | 5 | 0
Change in estimate | 0 | 0
Balance, end of the year | 1,854 | 0
Committee Bay |  |
Disclosure of other provisions [line items] |  |
Balance, beginning of the year | 2,134 | 1,891
Provision, assumed on acquisition of Eastmain | 0 |
Accretion | 29 | 40
Change in estimate | 273 | 203
Balance, end of the year | $ 2,436 | $ 2,134

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- Definition The increase in other provisions resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2019-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&anchor=para_84&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Adjustments for increases in other provisions arising from the passage of time to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss); Other provisions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_20&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The increase (decrease) in other provisions resulting from a change in discount rate. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2019-01-01 -Paragraph 84 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&anchor=para_84_e&doctype=Standard -URIDate 2019-03-27 + Details
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