v3.26.1
NATURE OF OPERATIONS AND BASIS OF PRESENTATION (Details)
Mar. 31, 2026
Dec. 15, 2025
Dec. 14, 2025
Dec. 09, 2025
Various mines in various locations        
Nature of operations        
Ownership interests in various mines (as a percent) 100.00%      
McEwen Copper Inc.        
Nature of operations        
Subsidiary ownership interest (as a percent) 46.30%      
Minera Santa Cruz S.A.        
Nature of operations        
Subsidiary ownership interest (as a percent) 49.00%      
Paragon Advanced Labs Inc.        
Nature of operations        
Subsidiary ownership interest (as a percent) 27.00% 27.00% 27.30% 27.32%