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Effect of fluctuations in foreign currency exchange rates (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement [Line Items] |  |  |
Conversion foreign exchange gains (losses) recognized in the result of the year. | $ (4,423) | $ (2,169) | $ (16,597)
Gains (losses) on exchange differences on translation, before tax | 14,000 | 787 | (1,220)
Equity attributable to owners of the Parent [member] |  |  |
Statement [Line Items] |  |  |
Gains (losses) on exchange differences on translation, before tax | 14,176 | 562 | (1,394)
Non-controlling interests [member] |  |  |
Statement [Line Items] |  |  |
Gains (losses) on exchange differences on translation, before tax | $ (176) | $ 225 | $ 174

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- Definition The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, before tax. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 91 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_91_b&doctype=Standard -URIDate 2020-01-01 + Details
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