Annual report [Section 13 and 15(d), not S-K Item 405]

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.26.1
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
customer
segment
Dec. 31, 2024
USD ($)
customer
Dec. 31, 2023
customer
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Number of reportable segment | segment 1    
Unproved property | $ $ 0 $ 0  
Discount rate used in the ceiling test limit calculation (as a percentage) 10.00%    
Oil, natural gas liquids and natural gas sales | $ $ 59,633 $ 63,558  
Revenue | Customer Concentration Risk [Member]      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Number of Major Customers | customer 2    
Revenue | Customer Concentration Risk [Member] | Customer one      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Concentration risk percentage 33.00%    
Revenue | Customer Concentration Risk [Member] | Customer two      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Concentration risk percentage 17.00%    
Receipts from sales | Customer Concentration Risk [Member]      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Number of Major Customers | customer   2 2
Receipts from sales | Customer Concentration Risk [Member] | Customer one      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Concentration risk percentage   44.00% 41.00%
Receipts from sales | Customer Concentration Risk [Member] | Customer two      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Concentration risk percentage   12.00% 13.00%
Performance Share Units      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Maximum payout level (as a percent) 200.00%    
Minimum [Member] | Furniture, Fixtures and Non-oil and Natural Gas Property and Equipment [Member]      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Property, Plant and Equipment, Useful Life (Year) 3 years    
Maximum [Member] | Furniture, Fixtures and Non-oil and Natural Gas Property and Equipment [Member]      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Property, Plant and Equipment, Useful Life (Year) 7 years