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CLOSURE AND RECLAMATION PROVISIONS (Schedule of Closure and Rehabilitation Provisions) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of other provisions [line items]    
Less: Current portion $ (5,065) $ (2,177)
Non-current portion 60,738 51,128
Provision for decommissioning, restoration and rehabilitation costs    
Disclosure of other provisions [line items]    
Balance at beginning 53,305 56,112
Changes in estimate 9,559 (5,021)
Reclamation expenditures (1,203) (623)
Accretion 2,988 2,364
Effect of changes in foreign exchange rates 1,154 473
Balance at ending 65,803 53,305
Less: Current portion (5,065) (2,177)
Non-current portion 60,738 51,128
Caylloma M&I Property | Provision for decommissioning, restoration and rehabilitation costs    
Disclosure of other provisions [line items]    
Balance at beginning 13,956 14,898
Changes in estimate 2,215 (1,235)
Reclamation expenditures (1,011) (503)
Accretion 790 796
Balance at ending 15,950 13,956
Less: Current portion (3,804) (1,577)
Non-current portion 12,146 12,379
San Jose M&I Property | Provision for decommissioning, restoration and rehabilitation costs    
Disclosure of other provisions [line items]    
Balance at beginning 7,670 7,128
Changes in estimate 949 (493)
Reclamation expenditures (192) (120)
Accretion 777 682
Effect of changes in foreign exchange rates 1,154 473
Balance at ending 10,358 7,670
Less: Current portion (1,261) (600)
Non-current portion 9,097 7,070
Lindero Project | Provision for decommissioning, restoration and rehabilitation costs    
Disclosure of other provisions [line items]    
Balance at beginning 11,514 19,639
Changes in estimate 2,442 (8,666)
Accretion 529 541
Balance at ending 14,485 11,514
Non-current portion 14,485 11,514
Yaramoko M&I Property | Provision for decommissioning, restoration and rehabilitation costs    
Disclosure of other provisions [line items]    
Balance at beginning 13,375 12,895
Changes in estimate 261 135
Accretion 597 345
Balance at ending 14,233 13,375
Non-current portion 14,233 13,375
Seguela M&I property | Provision for decommissioning, restoration and rehabilitation costs    
Disclosure of other provisions [line items]    
Balance at beginning 6,790 1,552
Changes in estimate 3,692 5,238
Accretion 295  
Balance at ending 10,777 6,790
Non-current portion $ 10,777 $ 6,790