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SIGNIFICANT ACCOUNTING POLICES (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Significant Accounting Policies [line items]    
Impairment loss $ 182,842  
Right-of-use assets $ 21,500 $ 29,400
San Jose M&I Property [member]    
Disclosure Of Significant Accounting Policies [line items]    
Conversion factors related to inferred resources 90.00%  
Percentage of inferred resources 31.00% 35.00%
Caylloma M&I Property [member]    
Disclosure Of Significant Accounting Policies [line items]    
Conversion factors related to inferred resources 90.00%  
Percentage of inferred resources 41.00% 31.00%
Yaramoko Mine [member]    
Disclosure Of Significant Accounting Policies [line items]    
Conversion factors related to inferred resources 100.00%  
Percentage of inferred resources 8.00% 11.00%
Restricted Share Units [member]    
Disclosure Of Significant Accounting Policies [line items]    
vesting period 3 years  
Performance Share Units [member]    
Disclosure Of Significant Accounting Policies [line items]    
vesting period 3 years