v3.26.1
Natural Gas Properties & Other Property, Plant, and Equipment - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]        
Accumulated depreciation, depletion, amortization, and impairment   $ 825,700 $ 697,000  
Depreciation, depletion, amortization, and accretion   128,700 188,700 $ 196,100
Midstream Assets, depreciation, depletion, amortization, and accretion   6,400 6,900 7,500
Depreciation   43,300 43,700 37,100
Proceeds from sales of assets   6,900 5,000 6,700
Gain on sale of properties   1,800 (3,600) (2,200)
Capitalized computer software, additions   6,900    
Write-off of capitalized software costs $ 5,600 $ 5,643    
Estimated useful life   3 years    
Intangible assets acquired       1,800
Amortization   $ 600 $ 600 $ 300
Amortization expense for intangible assets   300    
Bridgeport        
Property, Plant and Equipment [Line Items]        
Proceeds from sales of assets   5,500    
Fees   $ (400)