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Financial instruments (Details 30) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financial instruments [Line Items] |  |
Financial assets | $ 291,790 | $ 163,269
Financial liabilities | 1,733,080 | 1,496,360
Bank loans [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 300 | 163,568
Financial liabilities, at fair value | 300 | 163,568
Derivative instruments [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 2,855 | 5,979
Financial liabilities, at fair value | 2,855 | 5,979
Hedging liabilities [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 5,285 | 37,287
Financial liabilities, at fair value | 5,285 | 37,287
Other financial liabilities, current [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 23,585 | 220,328
Financial liabilities, at fair value | 23,585 | 220,328
Current and non-current accounts payable [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 163,751 | 196,280
Financial liabilities, at fair value | 163,751 | 196,280
Payables due to related parties, non-current [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 9 | 1,365
Financial liabilities, at fair value | 9 | 1,365
Bank loans [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 68,870 | 0
Financial liabilities, at fair value | 71,826 | 0
Unsecured obligations [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 1,249,479 | 1,031,507
Financial liabilities, at fair value | 1,404,614 | 1,131,639
Non-current hedging liabilities [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 12,033 | 0
Financial liabilities, at fair value | 2,657 | 0
Other non-current financial liabilities: [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 1,330,382 | 1,031,507
Financial liabilities, at fair value | 1,479,097 | 1,131,639
Unsecured obligations [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 15,145 | 13,494
Financial liabilities, at fair value | 15,145 | 13,494
Cash and cash equivalents [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 556,066 | 630,438
Financial assets, at fair value | 556,066 | 630,438
Current trade and other receivables [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 464,855 | 446,875
Financial assets, at fair value | 464,855 | 446,875
Receivables due from related parties, current [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 44,554 | 59,132
Financial assets, at fair value | 44,554 | 59,132
Time deposits [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 291,790 | 360,941
Financial assets, at fair value | 291,790 | 360,941
Derivative instruments [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 2,693 | 6,038
Financial assets, at fair value | 2,693 | 6,038
Hedging assets [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 18,238 | 0
Financial assets, at fair value | 18,238 | 0
Total other current financial assets [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 312,721 | 366,979
Financial assets, at fair value | 312,721 | 366,979
Non-Current Trade Receivables [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 424 | 1,912
Financial assets, at fair value | 424 | 1,912
Other non-current financial assets: [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 17,131 | 42,879
Financial assets, at fair value | 17,131 | 42,879
Total other non-current financial assets: [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 17,131 | 42,879
Financial assets, at fair value | $ 17,131 | $ 42,879

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_25&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35H -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35H&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35I -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35I&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35M&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35N&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_25&doctype=Standard -URIDate 2018-03-16 + Details
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