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Financial instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financial instruments [Line Items] |  |
Other non-current financial assets | $ 51,925 | $ 8,778
Other current financial assets | 348,069 | 505,490
Hedging assets [Member] |  |
Financial instruments [Line Items] |  |
Other non-current financial assets | 37,276 | 3,918
Other current financial assets | 0 | 17,270
Financial assets at amortised cost, category [member] |  |
Financial instruments [Line Items] |  |
Other non-current financial assets | 80 | 75
Other current financial assets | 345,459 | 485,689
Financial assets at fair value through profit or loss, classified as held for trading, category [member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 2,610 | 2,531
Financial assets measured at fair value through other comprehensive income, category [member] |  |
Financial instruments [Line Items] |  |
Other non-current financial assets | $ 14,569 | $ 4,785

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- Definition The amount of current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets; Current financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_d&doctype=Standard -URIDate 2020-01-01 + Details
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