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Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2026
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Changes in Asset Retirement Obligations
The following table summarizes the changes in asset retirement obligations for the six months ended June 30, 2026:
Total asset retirement obligations at December 31, 2025$227,377 
Accretion for the period10,429 
Sites added during the period3,120 
Revisions in estimated cash flows (1)
(1,145)
Expenditures for the period(6,665)
Total asset retirement obligations at June 30, 2026233,116 
Less current portion (2)
(28,874)
Long-term portion$204,242 
(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 7.