CAPITAL AND FINANCIAL RISK MANAGEMENT - Gold and silver price risk management (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Gold and silver price risk
Capital and financial risk management
Derivatives to hedge metal sales	$ 0	$ 0

The amount of a hedged item, recognised as an asset. [Refer: Hedged items [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 24B
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24B_a_i&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_HedgedItemAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant