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INVESTMENTS IN ASSOCIATED ENTITIES (Narrative) (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Aug. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of associates [line items]        
Purchase of interests in associates   $ 25,742 $ 38,150  
Investments in associated entities   $ 58,189 $ 34,781 $ 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]        
Net smelter return royalty   0.7335%    
Proportion of ownership interest in associate   37.70% 21.50%  
Purchase of interests in associates   $ 25,742 $ 34,100  
Additional ownership interests in associates   16.23%    
Investments in associated entities   $ 58,189 $ 34,781 $ 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%  
Impairment loss on investment     $ 8,145  
Equity income from associated entities   $ 0 374  
Investments in associated entities   $ 0 $ 0  
Tercero [Member] | SLM California [Member]        
Disclosure of associates [line items]        
Proportion of voting rights held in associate   50.00%    
Tercero [Member] | SLM California [Member] | Share Purchase Agreement [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   43.00%    
Purchase of interests in associates   $ 68,200    
Proportion of voting rights held in associate   67.50%