v3.26.1
Variable Interest Entities (Tables)
6 Months Ended
Jun. 30, 2026
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract]  
Schedule of assets and liabilities

June 30, 

December 31, 

2026

  ​ ​ ​

2025

Assets (liabilities):

  ​ ​ ​

(in thousands)

 

Cash and cash equivalents

$

5,518

$

4,137

Trade receivables

 

16,013

 

11,194

Total property, plant and equipment, net

 

348,933

 

356,751

Accounts payable

(195)

(236)

Due to affiliates

 

(67)

Accrued taxes other than income taxes

 

(807)

(970)