v3.26.3
COMMITMENTS AND CONTINGENCIES (Narrative) (Details)
$ in Thousands
 1 Months Ended 3 Months Ended
Oct. 02, 2026
USD ($)
Jul. 01, 2025
acre ft
Nov. 06, 2024
USD ($)
Mar. 17, 2022
acre ft
Dec. 31, 2025
USD ($)
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2019
acre ft
Mar. 31, 2018
acre ft
May 31, 2025
USD ($)
Commitments and Contingencies Disclosure [Abstract]                    
Security placed with the State of Utah and BLM         $ 30,100 $ 38,200 $ 30,100      
Long-term restricted cash deposits         600 600 600      
Surety bonds issued by an insurer         29,500 37,600 29,500      
Loss Contingencies [Line Items]                    
Reclamation Deposits and Surety Bonds         30,100 38,200 30,100      
Restricted Cash, Noncurrent         600 600 600      
Surety bonds issued by an insurer         29,500 37,600 29,500      
Contingency liabilities, current         7,300 12,300 7,300      
Water Rights [Member]                    
Loss Contingencies [Line Items]                    
Contingent liability recorded in operating expense           5,000        
Pecos Water Right volume per year | acre ft       20,000            
Annual water volume that had not been forfeited | acre ft       5,800            
Annual water volume that had not been abandoned | acre ft       150            
OSE sought water repayment | acre ft   9,600                
Preliminary authorization of annual allowable water sales, volume, cancelled | acre ft               5,700 5,700  
Class Action Claim [Member]                    
Loss Contingencies [Line Items]                    
Contingent liability recorded in operating expense         4,000          
Contingency liabilities, current         $ 4,000   4,000      
Class Action Claim [Member] | Minimum [Member]                    
Loss Contingencies [Line Items]                    
Contingency, damanges sought     $ 5,000              
False Claim Act Litigation [Member] | Maximum [Member] | Subsequent Event [Member]                    
Loss Contingencies [Line Items]                    
Contingency, damanges sought $ 30,600                  
False Claim Act Litigation [Member] | Minimum [Member] | Subsequent Event [Member]                    
Loss Contingencies [Line Items]                    
Contingency, damanges sought $ 10,200                  
Unpermitted Brine Discharge [Member]                    
Loss Contingencies [Line Items]                    
Contingency liabilities, current                   $ 2,200
Accrual for environmental liability                   $ 100
Underpayment of Royalties [Member]                    
Loss Contingencies [Line Items]                    
Payments for legal contingencies             $ 3,500      
Various Other Items [Member]                    
Loss Contingencies [Line Items]                    
Contingency liabilities, current           $ 1,000