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.

No definition available.

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- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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- Definition

The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Derivative financial instruments - Gold forwards narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Jun. 11, 2015
Disclosure of detailed information about financial instruments [line items]
Unrealized gain (loss) on derivative instruments	$ (4,757)	$ 9,684
Novated Contracts Under Old RCF
Disclosure of detailed information about financial instruments [line items]
Unrealized gain (loss) on derivative instruments	$ 5,000	$ 5,000
Not Designated As Hedging Instrument \| Novated Contracts Under Old RCF
Disclosure of detailed information about financial instruments [line items]
Financial liabilities, at fair value			$ 14,000