v3.26.1
Reclamation (Tables)
 6 Months Ended
Jun. 30, 2026
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligation
Changes to the Company’s asset retirement obligations for its operating sites are as follows:
Three Months Ended June 30,Six Months Ended June 30,
In thousands2026202520262025
Asset retirement obligation - Beginning$420,051 $272,512 $277,511 $260,492 
Accretion6,088 4,900 10,927 9,632 
Additions and changes to estimates— — 139,159 8,644 
Settlements(2,676)(2,380)(4,134)(3,736)
Asset retirement obligation - Ending$423,463 $275,032 $423,463 $275,032