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Derivative financial instruments - Hedged Derivative Financial Instruments (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Disclosure of detailed information about hedging instruments [line items] |
Fair value | $ (18,439)
Copper Price Hedging Instrument [Member] |
Disclosure of detailed information about hedging instruments [line items] |
Fair value | (15,804)
Interest rate hedge |
Disclosure of detailed information about hedging instruments [line items] |
Fair value | $ (2,635)

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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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- Definition The fair value of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: At fair value [member]; Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 22 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22_b&doctype=Standard&book=b -URIDate 2020-01-01 + Details
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- Details
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- Details
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