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Other noncurrent liabilities (Tables)
3 Months Ended
Mar. 31, 2026
Other noncurrent liabilities  
Summary of other noncurrent liabilities

December 31, 

March 31, 

  ​ ​ ​

2025

  ​ ​ ​

2026

(In thousands)

OPEB

$

312

$

261

Insurance claims and expenses

684

 

746

Other

281

 

192

Total

$

1,277

$

1,199