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Reclamation
 6 Months Ended
Jun. 30, 2024
Asset Retirement Obligation Disclosure [Abstract]  
RECLAMATION RECLAMATION
Reclamation and mine closure costs are based principally on legal and regulatory requirements. Management estimates costs associated with reclamation of mining properties. On an ongoing basis, management evaluates its estimates and assumptions, and future expenditures could differ from current estimates.
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 thousands2024202320242023
Asset retirement obligation - Beginning$216,989 $205,380 $214,013 $202,431 
Accretion4,154 4,073 8,230 8,066 
Settlements(1,226)(1,493)(2,326)(2,537)
Asset retirement obligation - Ending$219,917 $207,960 $219,917 $207,960