XML 85 R68.htm IDEA: XBRL DOCUMENT v3.25.3
Additional Financial Information - Schedule of Changes in Asset Retirement Obligations (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2025
USD ($)
Asset retirement obligations:  
Beginning asset retirement obligations $ 407,011
Liabilities incurred during period 1,732
Liabilities settled during period (2,014)
Revisions in estimated retirement obligations (33,863)
Accretion expense 27,694
Ending asset retirement obligations $ 400,560