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Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2025
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Change in Asset Retirement Obligations
The reconciliation of changes in the Company’s asset retirement obligations is as follows:
 December 31,
 20252024
Balance at Beginning of Period$247,732 $241,192 
Accretion Expense42,297 19,727 
Payments(36,205)(30,089)
Revisions in Estimated Cash Flows26,442 16,902 
Obligations Assumed in Merger254,474 — 
Balance at End of Period (a)
$534,740 $247,732 
(a) Includes current portion of $38,738 and $35,554 at December 31, 2025 and 2024, respectively.
Schedule Available-for-Sale Securities
The Company’s investments in available-for-sale securities were as follows:
December 31, 2024
Amortized CostAllowance for Credit LossesGross Unrealized
GainsLossesFair Value
U.S. Treasury Securities$51,885 $— $120 $(12)$51,993 
The Company’s investments in available-for-sale securities are as follows:
Amortized CostAllowance for Credit LossesGross Unrealized
Funds for Asset Retirement ObligationsGainsLossesFair Value
December 31, 2025$15,546 $— $2,403 $(660)$17,289 
December 31, 2024$12,112 $— $87 $(145)$12,054