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Income tax (Summary of Income Tax Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income tax |  |  |
Profit (Loss) before tax | $ 394,909 | $ 128,398 | $ (185,087)
Tax losses from non-taxable jurisdictions | 53,005 | 91,351 | 53,652
Taxable profit | 447,914 | 219,749 | (131,435)
Income tax calculated at domestic tax rates applicable to Profit in the respective countries | (157,315) | (71,086) | 12,450
Tax losses where no deferred tax benefit is recognized | (2,832) | (7,510) | (23,117)
Effect of currency translation on tax base | (10,797) | (10,354) | (923)
Effect of inflation adjustment for tax purposes |  | 2,482 | (867)
Changes in the income tax rate | (3,820) | (1,703) | (925)
Write-down of deferred tax benefits previously recognized | (2,938) | (7,261) | (32,565)
Previously unrecognized tax losses | 9,067 | 9,593 | 0
Income tax on intercompany dividends | (3,038) |  |
Fiscal recognition of property, plant and equipment |  | 8,919 |
Non-taxable results | 1,199 | 9,649 | (1,916)
Income tax | $ (170,474) | $ (67,271) | $ (47,863)

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