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First NEPA Non-Operated Asset Divestiture (Details) - USD ($)
$ in Thousands
9 Months Ended
May 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain on sale/exchange of long-lived assets   $ 2,402 $ 309,865
6.125% notes due February 1, 2025 | Senior Notes      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Interest rate, stated percentage (in percent) 6.125%    
NEPA Non Operated Asset Divestiture | Disposal Group, Disposed of by Sale, Not Discontinued Operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Percentage of natural gas asset interest sold (in percent) 40.00%    
Proceeds from sale of oil and gas property and equipment $ 500,000    
Equity interest to be received upon disposal (in percent) 16.25%    
Gain on sale/exchange of long-lived assets     $ 312,000