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Financial instruments (Details 5) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Financial instruments [Abstract] |  |  |
Provision Impairment Accounts receivable at the beginning of the Period | $ 34,936 | $ 31,616 |
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9 | (2,967) | 8,038 | $ 7,198
Increase / (decrease) impairment of accounts receivable for the period to profit and loss | (2,967) | 8,037 |
Use of Provision Applied to Accounts Receivable | (1,636) | (4,717) |
Impairment of Accounts Receivable Provision at the Star of the Period (1)+(2) | 32,634 | 34,936 | $ 31,616
Trade and Other Receivables Provision | 21,668 | 20,811 |
Current Related Party Receivables Provision | 10,966 | 14,125 |
Recovery of Insurance | 827 | 126 |
Impairment of Accounts Receivable Provision | 32,634 | 34,936 |
Renegotiated Provision | 2,056 | 2,580 |
Non-renegotiated Provision | $ 30,578 | $ 32,356 |

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- Definition Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Impairment loss (reversal of impairment loss) recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_20_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of impairment loss, impairment gain or reversal of impairment loss that is recognised in profit or loss in accordance with paragraph 5.5.8 of IFRS 9 and that arises from applying the impairment requirements in Section 5.5 of IFRS 9. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 82 -Subparagraph ba -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_82_ba&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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- References No definition available. + Details
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- Definition The amount of non renegotiated provision on trade receivables. + References No definition available. + Details
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- Definition The amount of impairment provision for related party receivables. + References No definition available. + Details
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- Definition The amount of renegotiated provision on trade receivables. + References No definition available. + Details
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- Definition The amount of impairment provision for trade and other receivables. + References No definition available. + Details
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- Definition The amount of insurance received during the year. + References No definition available. + Details
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- Definition Amount of provision applied to accounts receivable. + References No definition available. + Details
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- Definition The amount of provision applied to accounts receivable at the beginning balance. + References No definition available. + Details
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