Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Tables)

v3.21.1
Goodwill (Tables)
 3 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The change in the carrying amount of goodwill for the three months ended March 31, 2021 is summarized as follows:
  Refining Services Catalysts Total
Balance as of December 31, 2020 $ 311,892  $ 79,673  $ 391,565 
Goodwill recognized (Note 7) 37,646  —  37,646 
Foreign exchange impact —  294  294 
Balance as of March 31, 2021 $ 349,538  $ 79,967  $ 429,505