Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2019

Revenue From Contract With Customer [Abstract]

Geographic Disaggregation of Net Sales

The tables below provide a geographic disaggregation of net sales for the three and six months ended June 30, 2019 and 2018. The Company’s business segmentation by geographic region most effectively captures the nature and economic characteristics of the Company’s revenue streams.

	For the Three Months Ended June 30, 2019
(In thousands)
	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	191,720	$	86,434	$	16,067	$	294,221
Europe		54,360		44,085		2,920		101,365
Latin America		53,957		1,450		—		55,407
Asia		13,343		8,667		—		22,010
Total	$	313,380	$	140,636	$	18,987	$	473,003

	For the Three Months Ended June 30, 2018
(In thousands)
	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	218,029	$	86,966	$	18,674	$	323,669
Europe		66,065		45,028		3,441		114,534
Latin America		56,579		633		—		57,212
Asia		16,211		8,240		—		24,451
Total	$	356,884	$	140,867	$	22,115	$	519,866

	For the Six Months Ended June 30, 2019
(In thousands)
	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	406,017	$	157,757	$	32,092	$	595,866
Europe		125,838		86,190		6,236		218,264
Latin America		104,769		1,647		—		106,416
Asia		26,406		15,221		—		41,627
Total	$	663,030	$	260,815	$	38,328	$	962,173

	For the Six Months Ended June 30, 2018
(In thousands)
	Surfactants		Polymers		Specialty Products		Total
Geographic Market
North America	$	438,434	$	160,440	$	33,488	$	632,362
Europe		144,436		86,812		7,089		238,337
Latin America		98,267		1,460		—		99,727
Asia		34,687		14,088		—		48,775
Total	$	715,824	$	262,800	$	40,577	$	1,019,201