Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2018

Revenue From Contract With Customer [Abstract]

Geographic Disaggregation of Net Sales

The tables below provide a geographic disaggregation of net sales for the years ended December 31, 2018, 2017 and 2016.  The Company’s business segmentation by geographic region most effectively captures the nature and economic characteristics of the Company’s revenue streams impacted by economic factors.

	2018
(In thousands)	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	831,592	$	323,360	$	68,201	$	1,223,153
Europe		276,742		172,632		12,304		461,678
Latin America		212,824		3,463		—		216,287
Asia		64,774		27,965		—		92,739
Total	$	1,385,932	$	527,420	$	80,505	$	1,993,857

	2017
(In thousands)	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	763,044	$	329,629	$	66,906		1,159,579
Europe		275,121		188,244		13,912		477,277
Latin America		190,802		4,451		—		195,253
Asia		68,588		24,310		—		92,898
Total	$	1,297,555	$	546,634	$	80,818	$	1,925,007

	2016
(In thousands)	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	724,619	$	319,769	$	69,701		1,114,089
Europe		237,489		153,986		16,076		407,551
Latin America		151,229		4,640		—		155,869
Asia		68,226		20,431		—		88,657
Total	$	1,181,563	$	498,826	$	85,777	$	1,766,166