Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2024

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligations

The reconciliation of changes in the Company's asset retirement obligations at December 31, 2024 and 2023 is as follows:

	As of December 31,
	2024		2023
Balance at Beginning of Period	$	241,192	$	251,502
Accretion Expense	19,727		19,843
Payments	(30,089)		(22,771)
Revisions in Estimated Cash Flows	16,902		4,533
Other	—		(11,915)
Balance at End of Period	$	247,732	$	241,192

Schedule Of Debt Securities, Available-for-Sale

The Company's investments in available-for-sale securities are as follows:

	December 31, 2024
					Gross Unrealized
	Amortized Cost		Allowance for Credit Losses		Gains		Losses		Fair Value
U.S. Treasury Securities	$	51,885	$	—	$	120	$	(12)	$	51,993

	December 31, 2023
					Gross Unrealized
	Amortized Cost		Allowance for Credit Losses		Gains		Losses		Fair Value
U.S. Treasury Securities	$	81,829	$	—	$	103	$	—	$	81,932

The Company’s investments in available-for-sale securities are as follows:

	December 31, 2024
					Gross Unrealized
	Amortized Cost		Allowance for Credit Losses		Gains		Losses		Fair Value
Global WTTF Securities	$	12,112	$	—	$	87	$	(145)	$	12,054