v3.26.1
INVENTORIES - Components of Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Inventory [Line Items]    
Work-in-process $ 5,037 $ 6,385
Finished goods 18,262 19,160
Total current inventories 510,511 488,799
Inventories 406,203 328,923
Materials and supplies    
Inventory [Line Items]    
Raw materials 115,440 101,257
Stockpiled ore    
Inventory [Line Items]    
Raw materials 40,723 46,515
Leach pad inventory    
Inventory [Line Items]    
Raw materials 331,049 315,482
Inventories $ 406,203 $ 328,923