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Financial instruments (Details 7) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Financial instruments [Line Items] |  |
Net Variation Of Hedging | $ (16,725) |
Gains (losses) on hedging instrument, fair value hedges | (18,707) | $ 16
Hedging Reserve In Equity Before Tax | 1,982 |
Debt Hedging [Member] |  |
Financial instruments [Line Items] |  |
Net Variation Of Hedging | (14,960) |
Gains (losses) on hedging instrument, fair value hedges | (15,942) |
Hedging Reserve In Equity Before Tax | 982 |
Investment Hedging [Member] |  |
Financial instruments [Line Items] |  |
Net Variation Of Hedging | (1,765) |
Gains (losses) on hedging instrument, fair value hedges | (2,765) |
Hedging Reserve In Equity Before Tax | 1,000 |
Assets Hedging [Member] |  |
Financial instruments [Line Items] |  |
Net Variation Of Hedging | (10,383) |
Gains (losses) on hedging instrument, fair value hedges | (11,492) |
Hedging Reserve In Equity Before Tax | 1,109 |
Liabilities Hedging [Member] |  |
Financial instruments [Line Items] |  |
Net Variation Of Hedging | (6,342) |
Gains (losses) on hedging instrument, fair value hedges | (7,215) |
Hedging Reserve In Equity Before Tax | $ 873 |

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- Definition The gains (losses) on hedging instruments in fair value hedges. [Refer: Fair value hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 24 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_24_a_i&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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- Definition A component of gross equity representing the hedging reserve. + References No definition available. + Details
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- Definition Net variation of hedging. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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