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Asset Retirement Obligation
 6 Months Ended
Jun. 30, 2025
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligation Asset Retirement Obligation
The following table summarizes changes in the Company’s Asset retirement obligation (in thousands):
June 30, 2025December 31, 2024
Balance, beginning of period$13,151 $7,973 
Accretion 666 1,253 
Spending— (1,938)
Change in estimates— 5,863 
Balance, end of period$13,817 $13,151 
Current$179 $179 
Non-current$13,638 $12,972 
During the six months ended June 30, 2025 and 2024, the Company recognized an Asset retirement obligation adjustment in accordance with the change in estimate of nil and $4.0 million, respectively.
The Company does not have mineral reserves, and accordingly, all related costs are expensed until mineral reserves are established.