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Basis of preparation and material accounting policies (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Considerations to minimum cash guarantee, period | 4 years |  |
Ontario Teachers' Pension Plan | New Afton |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Free cash flow interest | 46.00% |  | 46.00%
Plant and machinery | Bottom of range |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Useful life measured as period of time, property, plant and equipment | 3 years |  |
Plant and machinery | Top of range |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Useful life measured as period of time, property, plant and equipment | 8 years | 9 years |
Mobile equipment | Bottom of range |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Useful life measured as period of time, property, plant and equipment | 5 years |  |
Mobile equipment | Top of range |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Useful life measured as period of time, property, plant and equipment | 6 years |  |
Minera San Xavier S.A. de C.V. |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% |

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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2023-03-23 + Details
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