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Financial instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financial instruments [Line Items] |  |
Other non-current financial assets | $ 9,268 | $ 51,925
Other current financial assets | 919,049 | 348,069
Hedging assets [Member] |  |
Financial instruments [Line Items] |  |
Other non-current financial assets | 245 | 37,276
Other current financial assets | 12,625 | 0
Financial assets at amortised cost, category [member] |  |
Financial instruments [Line Items] |  |
Other non-current financial assets | 91 | 80
Other current financial assets | 905,170 | 345,459
Financial assets at fair value through profit or loss, classified as held for trading, category [member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 1,254 | 2,610
Financial assets measured at fair value through other comprehensive income, category [member] |  |
Financial instruments [Line Items] |  |
Other non-current financial assets | $ 8,932 | $ 14,569

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