XML 97 R42.htm IDEA: XBRL DOCUMENT v3.24.0.1
Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2023
Asset Retirement Obligation  
Schedule of Change in Asset Retirement Obligation

    

Year Ended

    

Year Ended

December 31, 

December 31, 

2023

2022

(In thousands)

Balance at beginning of period (including current portion)

$

244,368

$

214,453

Accretion expense

 

21,170

 

17,721

Adjustments to the liability from changes in estimates

 

17,747

 

25,914

Reclamation work completed

 

(21,456)

 

(13,720)

Balance at period end

$

261,829

$

244,368

Current portion included in accrued expenses

 

(6,089)

 

(8,632)

Noncurrent liability

$

255,740

$

235,736