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Derivative financial instruments - Composition of the operations to be settled that are part of the liability for hedging derivative instrument (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of derivative financial instruments [Line Items] |  |
Fair value | $ (8,839) | $ (6,976)
Interest rate hedge |  |
Disclosure of derivative financial instruments [Line Items] |  |
Amount |  | 275,000
Fair value | 0 | $ (644)
October 2022 One |  |
Disclosure of derivative financial instruments [Line Items] |  |
Amount |  | 81,666
LIBOR of three months, Fixed interest rate (as a percent) |  | 2.632%
Fair value |  | $ (191)
October 2022 One | Minimum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 2.06%
October 2022 One | Maximum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 2.14%
October 2022 Two |  |
Disclosure of derivative financial instruments [Line Items] |  |
Amount |  | 74,167
LIBOR of three months, Fixed interest rate (as a percent) |  | 2.632%
Fair value |  | $ (174)
October 2022 Two | Minimum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 2.06%
October 2022 Two | Maximum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 2.14%
October 2022 Three |  |
Disclosure of derivative financial instruments [Line Items] |  |
Amount |  | 74,167
LIBOR of three months, Fixed interest rate (as a percent) |  | 0.732%
Fair value |  | $ (174)
October 2022 Three | Minimum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 0.16%
October 2022 Three | Maximum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 0.24%
July 2022 |  |
Disclosure of derivative financial instruments [Line Items] |  |
Amount |  | 45,000
LIBOR of three months, Fixed interest rate (as a percent) |  | 2.632%
Fair value |  | $ (105)
July 2022 | Minimum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 2.06%
July 2022 | Maximum |  |
Disclosure of derivative financial instruments [Line Items] |  |
LIBOR of three months, Futures, interest rate (as a percent) |  | 2.14%
Copper and Zinc prices hedge |  |
Disclosure of derivative financial instruments [Line Items] |  |
Fair value | $ 8,839 | $ (6,332)

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- References No definition available. + Details
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- Definition Fixed interest rate related to the interest rate derivative. + 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 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 22 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22_b&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The nominal amount of a hedging instrument. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 23B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_23B_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 24A -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_24A_d&doctype=Standard -URIDate 2022-03-24 + Details
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