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Derivative financial instruments - Composition of open transactions (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) lb | Dec. 31, 2023 USD ($)
Disclosure of derivative financial instruments [Line Items] |  |
Current derivative financial assets | $ 8,839 | $ 0
Current derivative financial liabilities | $ 8,839 |
Copper Price Hedging Instrument [Member] |  |
Disclosure of derivative financial instruments [Line Items] |  |
Quantity of commodity | lb | 5,000 |
Current derivative financial assets | $ 8,839 |
Settlement period one [Member] | Copper Price Hedging Instrument [Member] |  |
Disclosure of derivative financial instruments [Line Items] |  |
Quantity of commodity | lb | 2,000 |
Fixed Quotation | $ 10,185 |
Future quotation | 8,344 |
Current derivative financial assets | $ 4,332 |
Settlement period two [Member] | Copper Price Hedging Instrument [Member] |  |
Disclosure of derivative financial instruments [Line Items] |  |
Quantity of commodity | lb | 1,500 |
Fixed Quotation | $ 10,109 |
Future quotation | 8,350 |
Current derivative financial assets | $ 1,867 |
Settlement period three [Member] | Copper Price Hedging Instrument [Member] |  |
Disclosure of derivative financial instruments [Line Items] |  |
Quantity of commodity | lb | 1,500 |
Fixed Quotation | $ 10,153 |
Future quotation | 8,353 |
Current derivative financial assets | $ 2,640 |

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- Definition The amount of current derivative financial assets. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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