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Financial obligations - Long-term portion of the financial obligations (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Financial obligations [Line Items] |  |
Gross non current financial liabilities | $ 509,772 | $ 309,120
Debt issuance costs | 3,205 | 3,124
Non-current financial liabilities | 506,567 | 305,996
Between 1 to 2 years |  |
Disclosure of Financial obligations [Line Items] |  |
Gross non current financial liabilities | 176,665 | 133,091
Later than one year and not later than five years [member] |  |
Disclosure of Financial obligations [Line Items] |  |
Gross non current financial liabilities | 327,036 | 127,463
More than 5 years |  |
Disclosure of Financial obligations [Line Items] |  |
Gross non current financial liabilities | $ 6,071 | $ 48,566

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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current financial liabilities. [Refer: Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_25&doctype=Standard -URIDate 2020-01-01 + Details
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