v3.26.3
PROPERTY AND EQUIPMENT - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Property Plant And Equipment [Line Items]          
Depreciation $ 18.6 $ 59.3 $ 56.5 $ 146.5  
Accretion expense 0.6 $ 0.8 1.8 $ 1.9  
Impairment of long-lived assets     0.0   $ 45.3
Black Pearl Facility          
Property Plant And Equipment [Line Items]          
Construction-in-progress $ 3,357.4   $ 3,357.4