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Cash and cash equivalents (Details 5) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cash and cash equivalents at beginning of period | $ 630,438 | $ 514,669 | $ 527,259
Repayment of borrowings | 213,000 | 180,987 | 517,000
Other Income | 32,048 | 17,827 | 15,202
Other cash and cash equivalents | (746) | (1,530) |
Cash and cash equivalents at end of period | 556,066 | 630,438 | 514,669
Non current Financial Liabilities [Member] |  |  |
Cash and cash equivalents at beginning of period |  | (1,251,835) |
Repayment of borrowings | 213,000 |  |
Loans received | (376,039) |  |
Other Income | 0 |  |
Instrument coverage and non coverage | 23,092 |  |
Currency translation difference | 39,520 |  |
Other cash and cash equivalents | (1,704) |  |
Cash and cash equivalents at end of period | (1,353,967) |  | (1,251,835)
Cash and cash equivalent [Member] |  |  |
Cash and cash equivalents at beginning of period |  | 630,438 |
Repayment of borrowings | 0 |  |
Loans received | 0 |  |
Other Income | (49,478) |  |
Instrument coverage and non coverage | 0 |  |
Currency translation difference | (24,894) |  |
Other cash and cash equivalents | 0 |  |
Cash and cash equivalents at end of period | 556,066 |  | 630,438
Net Debt [Member] |  |  |
Cash and cash equivalents at beginning of period |  | (245,508) |
Repayment of borrowings | 213,000 |  |
Loans received | (376,039) |  |
Other Income | (118,629) |  |
Instrument coverage and non coverage | 42,500 |  |
Currency translation difference | 14,626 |  |
Other cash and cash equivalents | (1,704) |  |
Cash and cash equivalents at end of period | (471,755) |  | (245,508)
Other Current [Member] |  |  |
Cash and cash equivalents at beginning of period |  | $ 375,889 |
Repayment of borrowings | 0 |  |
Loans received | 0 |  |
Other Income | (69,151) |  |
Instrument coverage and non coverage | 19,408 |  |
Currency translation difference | 0 |  |
Other cash and cash equivalents | 0 |  |
Cash and cash equivalents at end of period | $ 326,146 |  | $ 375,889

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B13_a&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_i&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The gains (losses) recognised in other comprehensive income on change in value of foreign currency basis spreads, net of tax. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_91_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_17_d&doctype=Standard -URIDate 2018-03-16 + Details
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