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Mining interests and plant and equipment - Disclosure of detailed information about mining interests and plant and equipment (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | $ 489,512 | $ 343,693
Acquisition of the San Antonio gold project | 0 | 58,368
Additions | 197,375 | 86,352
Impairment | (58,417) | 0
Mining exploration tax credits | (1,585) | (4,608)
Change in environmental rehabilitation assets | 19,522 | 3,414
Depreciation | (7,814) | (5,340)
Depreciation capitalized | 4,136 | 4,019
Share-based compensation capitalized | 2,127 | 688
Transfers | 0 | 0
Pre-commercial revenues | (7,275) | 0
Disposals and others | (213) | (388)
Currency translation adjustments | (1,713) | 3,314
Closing balance | 635,655 | 489,512
Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | 496,848 |
Closing balance | 707,482 | 496,848
Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | (7,336) |
Closing balance | (71,827) | (7,336)
Mining interests [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | 459,303 | 320,008
Acquisition of the San Antonio gold project | 0 | 57,038
Additions | 139,183 | 75,437
Impairment | (58,417) | 0
Mining exploration tax credits | (1,585) | (4,608)
Change in environmental rehabilitation assets | 19,522 | 3,414
Depreciation | 0 | 0
Depreciation capitalized | 4,136 | 4,019
Share-based compensation capitalized | 2,127 | 688
Transfers | (11,221) | 0
Pre-commercial revenues | (7,275) | 0
Disposals and others | 0 | 0
Currency translation adjustments | (1,820) | 3,307
Closing balance | 543,953 | 459,303
Mining interests [Member] | Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | 459,303 |
Closing balance | 602,370 | 459,303
Mining interests [Member] | Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | 0 |
Closing balance | (58,417) | 0
Plant and equipment [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | 30,209 | 23,685
Acquisition of the San Antonio gold project | 0 | 1,330
Additions | 58,192 | 10,915
Impairment | 0 | 0
Mining exploration tax credits | 0 | 0
Change in environmental rehabilitation assets | 0 | 0
Depreciation | (7,814) | (5,340)
Depreciation capitalized | 0 | 0
Share-based compensation capitalized | 0 | 0
Transfers | 11,221 | 0
Pre-commercial revenues | 0 | 0
Disposals and others | (213) | (388)
Currency translation adjustments | 107 | 7
Closing balance | 91,702 | 30,209
Plant and equipment [Member] | Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | 37,545 |
Closing balance | 105,112 | 37,545
Plant and equipment [Member] | Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment and Mining interests [line items] |  |
Beginning balance | (7,336) |
Closing balance | $ (13,410) | $ (7,336)

X
- Definition The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_iii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The decrease in property, plant and equipment resulting from disposals and retirements. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_v&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Represents amount related to depreciation capitalized. + References No definition available. + Details
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- Definition The increase (decrease) in mining interests resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. + References No definition available. + Details
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