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Financial instruments (Details 19) - Series O bonds [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Interest payment [Member] |  |  |
Financial instruments [Line Items] |  |  |
Repayments of bonds, notes and debentures | $ 2,070 | $ 2,308 | $ 2,457
CCS Coverage [Member] |  |  |
Financial instruments [Line Items] |  |  |
Repayments of bonds, notes and debentures | $ 599 | $ 354 | $ 205

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- Definition The cash outflow for repayments of bonds, notes and debentures. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_17&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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- Details
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