v3.26.1
REVENUE (Details)
T in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
T
Jun. 30, 2026
USD ($)
T
$ / T
REVENUES    
Term of domestic sales contracts   1 year
Increase to revenue | $ $ 0.2 $ 0.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01    
REVENUES    
Percentage of committed tons   85.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01    
REVENUES    
Percentage of committed tons   15.00%
Fixed Priced Contracts    
REVENUES    
Outstanding performance obligation, mass 0.7 0.7
Average per ton | $ / T   139
Contracts with indexed based pricing mechanisms    
REVENUES    
Outstanding performance obligation, mass 1.6 1.6