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INVESTMENTS IN ASSOCIATED ENTITIES (Narrative) (Details) $ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CAD ($)
Disclosure of associates [line items] |  |  |  |
Investments in associates reported in separate financial statements |  | $ 42,394 |  | $ 0
Caserones [Member] |  |  |  |
Disclosure of associates [line items] |  |  |  |
Net smelter return royalty | 0.418% |  |  |
Payments for net smelter return royalties | $ 34,100 |  |  |
SLM California [Member] |  |  |  |
Disclosure of associates [line items] |  |  |  |
Proportion of ownership interest in associate |  | 21.50% | 21.50% |
Purchase of interests in associates |  | $ 43,007 |  |
Investments in associates reported in separate financial statements |  | $ 42,394 |  | $ 0
SLM California [Member] | Caserones [Member] |  |  |  |
Disclosure of associates [line items] |  |  |  |
Net smelter return royalty | 0.418% | 2.88% |  |
Rawhide [Member] |  |  |  |
Disclosure of associates [line items] |  |  |  |
Proportion of ownership interest in associate |  | 38.07% | 38.07% | 19.99%
Purchase of interests in associates |  | $ 9,544 |  |
Impairment loss on investment |  | 10,014 |  |
Investment in associates including share of accumulated equity income and losses, dilution gains and impairment charges |  | 0 |  | $ 4,580
Investments in associates reported in separate financial statements |  | $ 0 |  | $ 0
Tercero [Member] | SLM California [Member] |  |  |  |
Disclosure of associates [line items] |  |  |  |
Proportion of voting rights held in associate |  | 50.00% | 50.00% |
Tercero [Member] | SLM California [Member] | Share Purchase Agreement [Member] |  |  |  |
Disclosure of associates [line items] |  |  |  |
Proportion of ownership interest in associate |  | 43.00% | 43.00% |
Purchase of interests in associates |  |  | $ 68,200 |
Proportion of voting rights held in associate |  | 67.50% | 67.50% |

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- Definition The amount of impairment loss recognised in profit or loss for investment property. [Refer: Impairment loss recognised in profit or loss; Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2021-01-01 -Paragraph 76 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76_g&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d_v&doctype=Standard -URIDate 2021-03-24 + Details
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