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Assets held for sale (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of fair value measurement of assets [line items] |  |
Impairment loss recognised in profit or loss, property, plant and equipment | $ 202 | $ 1,143
Assets held for sale | 1,701 |
San Jose M&I Property [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Assets held for sale | 1,701 |
San Jose M&I Property [member] | Non-current assets held for sale [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Impairment loss recognised in profit or loss, property, plant and equipment | $ 901 |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_v&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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