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Asset Retirement Obligations (Tables)
 3 Months Ended
Mar. 31, 2026
Asset Retirement Obligations  
Schedule of asset retirement obligations The following table describes the changes in our AROs (in thousands):

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2026

  ​ ​ ​

2025

AROs at January 1,

​

$

68,770

​

$

62,947

Accretion expense

​

 

1,539

​

 

1,408

AROs at March 31, 

​

$

70,309

​

$

64,355

​