v3.26.3
REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disaggregation of Revenue [Line Items]        
Revenues (Note 18) $ 29,180 $ 17,710 $ 90,126 $ 38,820
Revenues 29,180 17,710 90,126 38,820
Uranium Segment | Total revenues        
Disaggregation of Revenue [Line Items]        
Revenues (Note 18) 28,449 17,370   21,220
Uranium Segment | Year ending December 31, 2029        
Disaggregation of Revenue [Line Items]        
Revenues (Note 18) 295 340 570 1,779
Rare Earth Elements Segment | Revenues, Metals And Alloys        
Disaggregation of Revenue [Line Items]        
Revenues (Note 18) 436 0 436 0
Heavy Mineral Sands Segment | Total revenues        
Disaggregation of Revenue [Line Items]        
Revenues (Note 18)     89,120  
Heavy Mineral Sands Segment | Year ending December 31, 2027        
Disaggregation of Revenue [Line Items]        
Revenues (Note 18) $ 0 $ 0 $ 0 $ 15,821