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Financial instruments (Details 10) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financial instruments [Line Items] |  |
Current | $ 51,305 | $ 68,955
Non-current | 2,587,732 | 1,899,513
Total | 2,639,037 | 1,968,468
Bank borrowings [Member] | Financial liabilities at amortised cost, category [member] |  |
Financial instruments [Line Items] |  |
Current | 85 | 82
Non-current | 69,613 | 69,376
Total | 69,698 | 69,458
Obligations With The Public [Member] |  |
Financial instruments [Line Items] |  |
Current | 40,594 | 36,781
Non-current | 2,445,219 | 1,816,626
Total | 2,485,813 | 1,853,407
For hedging [Member] | Financial assets at fair value through profit or loss, classified as held for trading, category [member] |  |
Financial instruments [Line Items] |  |
Current | 8,954 | 26,699
Non-current | 72,900 | 13,511
Total | 81,854 | 40,210
Non-hedging liabilities [Member] | Financial assets at fair value through profit or loss, classified as held for trading, category [member] |  |
Financial instruments [Line Items] |  |
Current | 1,672 | 5,393
Total | $ 1,672 | $ 5,393

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