Goodwill (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying amount of goodwill for the three months ended March 31, 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	—		—		5,764		—		5,764
Foreign exchange impact	—		(1,438)		(1,745)		(13,652)		(16,835)
Balance as of March 31, 2020	$	311,892	$	77,173	$	279,938	$	579,731	$	1,248,734