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INCOME AND MINING TAXES - Temporary Differences and Unused Tax Losses (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Temporary Differences and Unused Tax Losses |  |
Unrecognized deductible temporary differences and unused tax losses | $ 320,422 | $ 236,912
Unused tax credits not recognized as deferred tax | 12,900 | 12,900
Taxable temporary difference not recognized as deferred income tax | 474,900 | 410,500
Net capital loss carry forwards |  |
Temporary Differences and Unused Tax Losses |  |
Unrecognized deductible temporary differences and unused tax losses | 54,503 | 34,298
Other deductible temporary differences |  |
Temporary Differences and Unused Tax Losses |  |
Unrecognized deductible temporary differences and unused tax losses | $ 265,919 | $ 202,614

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- Definition The amount of deductible temporary differences and unused tax losses for which no deferred tax asset is recognised in the statement of financial position. + References No definition available. + Details
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- Definition The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Associates [member]; Subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2017-01-01 -Paragraph 81 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2017-03-01&anchor=para_81_f&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2017-01-01 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2017-03-01&anchor=para_81_e&doctype=Standard -URIDate 2017-03-09 + Details
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