Quarterly report pursuant to Section 13 or 15(d)

Summary Financial Information by Reportable Segment (Details)

v3.21.1
Summary Financial Information by Reportable Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Segment Reporting    
Sales $ 126,624 $ 125,554
Equity in net income from affiliated companies 5,210 8,295
Operating segments    
Segment Reporting    
Sales 126,624 125,554
Segment Adjusted EBITDA 51,471 59,850
Operating segments | Refining Services    
Segment Reporting    
Sales 100,222 100,690
Segment Adjusted EBITDA 33,002 37,183
Operating segments | Catalysts    
Segment Reporting    
Sales 26,402 24,864
Segment Adjusted EBITDA 18,469 22,667
Zeolyst Joint Venture | Catalysts    
Segment Reporting    
Sales 28,978 32,291
Segment Adjusted EBITDA 10,537 13,725
Equity in net income from affiliated companies 5,237 8,317
Amortization of investment in affiliate step-up 1,658 1,658
Joint venture depreciation, amortization and interest $ 3,645 $ 3,750