Trade and other receivables (Details) - USD ($) $ in Thousands |
Mar. 31, 2019 |
Dec. 31, 2018 |
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| Trade and other receivables [Abstract] | ||
| Trade receivables | $ 177,841 | $ 163,856 |
| Tax receivables | 35,062 | 54,959 |
| Prepayments | 19,342 | 5,521 |
| Other accounts receivable | 9,167 | 12,059 |
| Total | $ 241,412 | $ 236,395 |
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- Definition The amount of current prepayments. [Refer: Prepayments] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of current receivables from taxes other than income tax. [Refer: Receivables from taxes other than income tax] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of current trade receivables. [Refer: Trade receivables] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of current other receivables. [Refer: Other receivables] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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