v3.26.3
PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Property, Plant, and Equipment [Line Items]        
Impairment of long-lived assets $ 0 $ 0 $ 0 $ 1,866