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Disclosure of information on segments (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | $ (4,451) | $ 74,533 | $ (308,741)
Operating Segments [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | 59,534 | 250,134 | (1,397,473)
Elimination of profit of equity accounted investees [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | (63,777) | (225,215) | 645,989
Elimination of intercompany sales [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | (74,637) | (108,973) | (251,502)
Elimination of intercompany cost of sales [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | 76,780 | 106,726 | 250,157
Elimination of share in the results of subsidiaries and associates [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | 1,582 | 49,627 | 448,507
Elimination of intersegment other income expense amount [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | $ (3,933) | $ 2,234 | $ (4,419)

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- Definition The profit (loss) from continuing operations. [Refer: Continuing operations [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_28_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_23&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_vi&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_81A_a&doctype=Standard -URIDate 2018-03-16 + Details
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