Quarterly report [Sections 13 or 15(d)]

Reportable Segments - Summary Financial Information by Reportable Segment (Details)

v3.25.1
Reportable Segments - Summary Financial Information by Reportable Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting    
Sales $ 162,197 $ 160,537
Adjusted EBITDA from reportable segments 46,029 52,623
Equity in net income from affiliated companies 8,916 2,072
Amortization of investment in affiliate step-up 610 1,601
Joint venture depreciation, amortization and interest 3,155 3,254
Ecoservices    
Segment Reporting    
Sales 143,109 141,602
Adjusted EBITDA from reportable segments 28,525 41,494
Advanced Materials & Catalysts    
Segment Reporting    
Sales 19,088 18,935
Adjusted EBITDA from reportable segments 17,504 11,129
Advanced Materials & Catalysts | Zeolyst Joint Venture    
Segment Reporting    
Sales 37,741 23,481
Adjusted EBITDA from reportable segments $ 12,681 6,927
Percent ownership 50.00%  
Equity in net income from affiliated companies $ 8,916 2,072
Amortization of investment in affiliate step-up 610 1,601
Joint venture depreciation, amortization and interest $ 3,155 $ 3,254