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DERIVATIVE INSTRUMENTS - Schedule of Effect of Derivative Instruments on the Consolidated Statement of Income (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Derivative [Line Items]        
Realized (Loss) Gain on Commodity Derivative Instruments: $ (221,600) $ (109,687)    
Unrealized Gain (Loss) on Commodity Derivative Instruments: 225,581 (418,533)    
Gain (Loss) on Commodity Derivative Instruments: 3,981 (528,220)    
Natural Gas Commodity Swaps        
Derivative [Line Items]        
Derivative asset 14,470      
Derivatives settled not paid 6,021   $ 58,387  
Commodity Derivatives        
Derivative [Line Items]        
Derivative asset 14,470 42,305   $ 2,309
Derivatives settled not paid 6,021   $ 58,387 $ 23,212
Natural Gas Commodity Swaps (Bcf) | Natural Gas Commodity Swaps        
Derivative [Line Items]        
Realized (Loss) Gain on Commodity Derivative Instruments: (196,693) (83,477)    
Unrealized Gain (Loss) on Commodity Derivative Instruments: 209,606 (504,143)    
Gain (Loss) on Commodity Derivative Instruments: 12,913 (587,620)    
Natural Gas Commodity Swaps (Bcf) | Natural Gas Basis Swaps        
Derivative [Line Items]        
Realized (Loss) Gain on Commodity Derivative Instruments: (25,650) (24,846)    
Unrealized Gain (Loss) on Commodity Derivative Instruments: 19,536 85,994    
Gain (Loss) on Commodity Derivative Instruments: (6,114) 61,148    
NGL Commodity Swaps (Mbbls) | Natural Gas Commodity Swaps        
Derivative [Line Items]        
Realized (Loss) Gain on Commodity Derivative Instruments: 743 (1,364)    
Unrealized Gain (Loss) on Commodity Derivative Instruments: (3,561) (384)    
Gain (Loss) on Commodity Derivative Instruments: $ (2,818) $ (1,748)