Asset Retirement Obligations Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Liability at January 1,	$ 41,424	$ 40,894	$ 40,631
Accretion expense	1,937	1,899	1,853
Liabilities incurred	0	0	0
Liabilities settled	(2,044)	(1,244)	(4,004)
Revision to cash flows	(265)	(125)	2,414
Liability at December 31,	$ 41,052	$ 41,424	$ 40,894