Annual report pursuant to Section 13 and 15(d)

Reportable Segments - Capital Expenditures (Details)

v3.22.4
Reportable Segments - Capital Expenditures (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets      
Capital expenditures $ 58,870 $ 60,045 $ 54,837
Operating segments | Ecoservices      
Revenues from External Customers and Long-Lived Assets      
Capital expenditures gross 47,770 43,561 31,799
Operating segments | Catalyst Technologies      
Revenues from External Customers and Long-Lived Assets      
Capital expenditures gross 8,194 15,997 11,177
Operating segments | Corporate      
Revenues from External Customers and Long-Lived Assets      
Capital expenditures gross $ 2,906 $ 487 $ 11,861