Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
Reportable Segments - Summary Financial Information by Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Segment Reporting        
Sales $ 173,326 $ 232,533 $ 518,310 $ 637,419
Equity in net income from affiliated companies 4,708 3,169 16,305 17,422
Ecoservices        
Segment Reporting        
Sales 147,629 195,674 443,433 542,703
Catalyst Technologies        
Segment Reporting        
Sales 25,697 36,859 74,877 94,716
Catalyst Technologies | Zeolyst Joint Venture        
Segment Reporting        
Sales 36,958 27,773 103,721 92,656
Adjusted EBITDA from reportable segments 9,640 8,704 31,270 34,306
Equity in net income from affiliated companies 4,748 3,187 16,356 17,500
Amortization of investment in affiliate step-up 1,601 1,601 4,802 4,802
Joint venture depreciation, amortization and interest 3,291 3,917 10,112 12,004
Operating segments        
Segment Reporting        
Adjusted EBITDA from reportable segments 71,034 83,382 206,316 231,111
Operating segments | Ecoservices        
Segment Reporting        
Sales 147,629 195,674 443,433 542,703
Adjusted EBITDA from reportable segments 54,674 64,110 151,598 173,435
Operating segments | Catalyst Technologies        
Segment Reporting        
Sales 25,697 36,859 74,877 94,716
Adjusted EBITDA from reportable segments $ 16,360 $ 19,272 $ 54,718 $ 57,676