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Asset Retirement Obligations (Tables)
3 Months Ended
Mar. 31, 2025
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Changes in Asset Retirement Obligations
The following table summarizes the changes in asset retirement obligations for the three months ended March 31, 2025:
Total asset retirement obligations at December 31, 2024$219,743 
Accretion for the period5,614 
Sites added during the period476 
Revisions in estimated cash flows (1)
(2,972)
Expenditures for the period(5,258)
Total asset retirement obligations at March 31, 2025217,603 
Less current portion (2)
(25,633)
Long-term portion$191,970 
(1) The revisions in estimated cash flows resulted primarily from changes in mine plans and reclamation timing.
(2) Included within Accrued expenses and other current liabilities on the Company’s Condensed Consolidated Balance Sheets. Refer to Note 6.