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Deferred income tax (Schedule of Breakdown and Movement of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of deferred income tax [Line Items] |  |
At the beginning of year | $ 14,072 | $ 18,168
Charged to net profit | 4,488 | (4,223)
Currency translation differences | 383 | 127
Reclassified to assets | 18,943 | 14,072
At end of year | 18,943 | 14,072
At the beginning of year | (20,947) | (7,190)
Charged to net profit | (49,176) | (13,757)
Reclassified from liabilities | (70,123) | (20,947)
At end of year | (70,123) | (20,947)
Difference in depreciation rates and other |  |
Disclosure of deferred income tax [Line Items] |  |
At the beginning of year | (20,947) |
Charged to net profit | (49,176) |
Reclassified from liabilities | (70,123) |
At end of year |  | (20,947)
Difference in depreciation rates and other. |  |
Disclosure of deferred income tax [Line Items] |  |
Charged to net profit | 4,720 |
Currency translation differences | 383 |
At the beginning of year | (344) |
At end of year |  | (344)
At end of year | 4,759 |
Taxable losses. |  |
Disclosure of deferred income tax [Line Items] |  |
At the beginning of year | 14,416 |
Charged to net profit | (232) |
Reclassified from assets | $ 14,184 |
At end of year |  | $ 14,416

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