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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, 2021 | Dec. 31, 2020
Disclosure of deferred income tax [Line Items] |  |
At the beginning of year | $ 18,168 | $ 26,934
Acquisitions |  | 4,071
Charged to net profit | (4,223) | (18,414)
Currency translation differences | 127 | (3,241)
Reclassified to assets | 0 | 8,818
At end of year | 14,072 | 18,168
At the beginning of year | (7,190) | (10,850)
Charged to net profit | (13,757) | 12,478
Reclassified from liabilities | 0 | (8,818)
At end of year | (20,947) | (7,190)
Difference in depreciation rates and other |  |
Disclosure of deferred income tax [Line Items] |  |
At the beginning of year | (7,190) |
Charged to net profit | (13,757) |
Reclassified from liabilities | 0 |
At end of year | (20,947) | (7,190)
Difference in depreciation rates and other. |  |
Disclosure of deferred income tax [Line Items] |  |
Charged to net profit | 4,157 |
Currency translation differences | 127 |
Reclassified to assets | 0 |
At the beginning of year | (4,628) |
At end of year |  | (4,628)
At end of year | (344) |
Taxable losses. |  |
Disclosure of deferred income tax [Line Items] |  |
At the beginning of year | 22,796 |
Charged to net profit | (8,380) |
Reclassified from assets | 0 |
At end of year | $ 14,416 | $ 22,796

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph o -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_o&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 56 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_56&doctype=Standard -URIDate 2021-03-24 + Details
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