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Other assets (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Other Assets1 [Abstract] |  |
Low-grade stockpile | $ 18,237 | $ 11,727
Debt service reserve account (Note 10) | 13,736 | 12,918
Loan receivable, including accrued interest | 5,053 | 7,718
Reclamation deposits | 2,485 | 2,353
Derivative instruments at fair value (Note 14) | 0 | 2,768
Other | 840 | 2,364
Other non-current assets | 40,351 | 39,848
Current financial assets at fair value | $ 1,000 | $ 6,000

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- Definition Miscellaneous Non-current Other Assets + References No definition available. + Details
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- Definition Noncurrent Loan And Interest Receivable + References No definition available. + Details
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- Definition Other Assets1 [Abstract] + References No definition available. + Details
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- Definition Reclamation Deposits + References No definition available. + Details
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- Definition The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 8 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_8_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of non-current derivative financial assets. [Refer: Derivative financial 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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- Definition A classification of non-current inventory representing the amount of ore stockpiles. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2017-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2017-03-01&anchor=para_37&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-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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