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Asset Retirement Obligation
9 Months Ended
Sep. 30, 2023
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligation Asset Retirement Obligations
The Company had a post-closure reclamation and site restoration obligation of $19,558 as of September 30, 2023. The following is a reconciliation of the total reclamation liability for asset retirement obligations.
Balance at December 31, 2022$18,888 
Accretion expense670 
Balance at September 30, 2023$19,558