Annual report [Section 13 and 15(d), not S-K Item 405]

Reportable Segments - Capital Expenditures (Details)

v3.25.0.1
Reportable Segments - Capital Expenditures (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets      
Capital expenditures $ 68,953 $ 65,335 $ 58,870
Operating segments | Ecoservices      
Revenues from External Customers and Long-Lived Assets      
Capital expenditures 54,689 53,705 47,770
Operating segments | Advanced Materials & Catalysts      
Revenues from External Customers and Long-Lived Assets      
Capital expenditures 14,712 8,441 8,194
Corporate, non-segment      
Revenues from External Customers and Long-Lived Assets      
Capital expenditures $ (448) $ 3,189 $ 2,906