v3.26.1
Asset Retirement Obligation (Tables)
3 Months Ended
Mar. 31, 2026
Asset Retirement Obligation  
Schedule of asset retirement obligation

  ​ ​ ​

March 31, 

  ​ ​ ​

December 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

(in thousands)

Asset retirement obligation – balance at beginning of period

$

10,856

$

9,880

Changes in estimate

 

133

 

(29)

Accretion

 

301

 

1,005

Asset retirement obligation – balance at end of period

$

11,290

$

10,856