Quarterly report pursuant to Section 13 or 15(d)

Goodwill

v3.20.2
Goodwill
 6 Months Ended
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
8. Goodwill:
The change in the carrying amount of goodwill for the six months ended June 30, 2020 is summarized as follows:
  Refining Services Catalysts Performance Materials Performance Chemicals Total
Balance as of December 31, 2019 $ 311,892    $ 78,611    $ 275,919    $ 593,383    $ 1,259,805   
Goodwill recognized —    —    7,730    —    7,730   
Foreign exchange impact —    (1,677)   (922)   (9,938)   (12,537)  
Balance as of June 30, 2020 $ 311,892    $ 76,934    $ 282,727    $ 583,445    $ 1,254,998