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Asset retirement obligation (Tables)
 12 Months Ended
Dec. 31, 2023
Asset retirement obligation  
Asset Retirement Obligation

 

 

2023

 

 

2022

 

 

2021

 

ARO balance, beginning of the year

 

$24,574

 

 

$22,337

 

 

$22,741

 

Accretion expense

 

 

2,069

 

 

 

2,069

 

 

 

2,069

 

Change in ARO estimates

 

 

387

 

 

 

168

 

 

 

(2,473)

ARO balance, end of the year

 

 

27,030

 

 

 

24,574

 

 

 

22,337