Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2023

Asset Retirement Obligation Disclosure [Abstract]

Change in Asset Retirement Obligations

The following table summarizes the change in AROs. Amounts include conditional AROs.

(In thousands)	2023			2022
Balance as of January 1,	$	50,260		$	46,580
Liabilities incurred		2,402			1,947
Accretion expense		2,035			1,909
Liabilities settled		(107	)		(317	)
Revisions in estimated cash flows		(160	)		141
Balance as of December 31,	$	54,430		$	50,260