Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Tables)

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Goodwill (Tables)
 6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Change in Carrying Amount of Goodwill
The change in the carrying amount of goodwill for the six months ended June 30, 2024 is summarized as follows:
  Ecoservices Advanced Materials & Catalysts Total
Balance as of December 31, 2023 $ 326,589  $ 77,881  $ 404,470 
Foreign exchange impact —  (195) (195)
Balance as of June 30, 2024 $ 326,589  $ 77,686  $ 404,275