Quarterly report [Sections 13 or 15(d)]

Reportable Segments - Financial Information by Reportable Segment (Details)

v3.25.2
Reportable Segments - Financial Information by Reportable Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting        
Sales $ 200,128 $ 182,820 $ 362,326 $ 343,357
Adjusted EBITDA from reportable segments 63,489 64,426 109,517 117,049
Equity in net income from affiliated companies 1,928 1,392 10,844 3,464
Amortization of investment in affiliate step-up 610 940 1,220 2,541
Joint venture depreciation, amortization and interest 3,184 3,227 6,339 6,481
Ecoservices        
Segment Reporting        
Sales 176,065 153,958 319,175 295,560
Adjusted EBITDA from reportable segments 49,772 49,709 78,296 91,203
Advanced Materials & Catalysts        
Segment Reporting        
Sales 24,063 28,862 43,151 47,797
Adjusted EBITDA from reportable segments 13,717 14,717 31,221 25,846
Advanced Materials & Catalysts | Zeolyst Joint Venture        
Segment Reporting        
Sales 28,444 29,024 66,186 52,505
Adjusted EBITDA from reportable segments $ 5,722 5,559 $ 18,403 12,486
Percent ownership 50.00%   50.00%  
Equity in net income from affiliated companies $ 1,928 1,392 $ 10,844 3,464
Amortization of investment in affiliate step-up 610 940 1,220 2,541
Joint venture depreciation, amortization and interest $ 3,184 $ 3,227 $ 6,339 $ 6,481