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Selling General and Administrative (Schedule of Selling General And Administrative Expenses) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Selling, General and Administrative [abstract] |  |
General and administrative expense | $ 19,320 | $ 15,616
Workers' participation | 1,750 | 1,363
Selling, genereal and administrative subtotal | 21,070 | 16,979
Share-based payments | 3,841 | 14,138
Total selling, general and administrative expense | $ 24,911 | $ 31,117

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- Definition Selling, general and administrative expense excluding sharebased payments. + References No definition available. + Details
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- Definition The amount of expense relating to general and administrative activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of expense relating to selling, general and administrative activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_85&doctype=Standard -URIDate 2017-03-09 + Details
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