v3.25.2
LONG-LIVED ASSET IMPAIRMENTS (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
LONG-LIVED ASSET IMPAIRMENTS      
Impairment charge     $ 215,100
Asset impairment charges $ 0 $ 0  
Coal Operations | Operating Segment      
LONG-LIVED ASSET IMPAIRMENTS      
Impairment charge     $ 215,100