Goodwill (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying amount of goodwill for the nine months ended September 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	—		(522)		(321)		(2,839)		(3,682)
Balance as of September 30, 2020	$	311,892	$	78,089	$	283,328	$	590,544	$	1,263,853