v3.26.1
Inventories (Schedule of Inventories) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Inventories:          
Raw materials and supplies $ 81,683   $ 81,683   $ 76,115
Work in process 119,451   119,451   116,933
Finished goods 36,130   36,130   31,644
Total 237,264   237,264   $ 224,692
Lower of cost or market inventory valuation adjustment $ 2,521 $ 1,893 $ 7,779 $ 4,676