Quarterly report pursuant to Section 13 or 15(d)

Summary Financial Information by Reportable Segment (Details)

v3.23.1
Summary Financial Information by Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Segment Reporting    
Sales $ 160,874 $ 179,714
Equity in net (income) from affiliated companies 223 5,749
Ecoservices    
Segment Reporting    
Sales 137,740 154,060
Catalyst Technologies    
Segment Reporting    
Sales 23,134 25,654
Catalyst Technologies | Zeolyst Joint Venture    
Segment Reporting    
Sales 22,074 28,977
Adjusted EBITDA from reportable segments 5,436 11,474
Equity in net (income) from affiliated companies 226 5,787
Amortization of investment in affiliate step-up 1,601 1,601
Joint venture depreciation, amortization and interest 3,609 4,087
Operating segments    
Segment Reporting    
Adjusted EBITDA from reportable segments 49,776 66,316
Operating segments | Ecoservices    
Segment Reporting    
Sales 137,740 154,060
Adjusted EBITDA from reportable segments 36,787 49,341
Operating segments | Catalyst Technologies    
Segment Reporting    
Sales 23,134 25,654
Adjusted EBITDA from reportable segments $ 12,989 $ 16,975