Revenue from Contracts with Customers - Summary of Geographic Disaggregation of Net Sales (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Net sales	[1]	$ 2,325,768	$ 2,773,270	$ 2,345,966
Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		1,602,819	1,882,745	1,562,795
Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		642,471	789,080	713,440
Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		80,478	101,445	69,731
North America [Member]
Disaggregation Of Revenue [Line Items]
Net sales		1,354,999	1,620,735	1,328,312
North America [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		949,218	1,099,616	904,469
North America [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		338,979	437,312	364,382
North America [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		66,802	83,807	59,461
Europe [Member]
Disaggregation Of Revenue [Line Items]
Net sales		561,915	673,210	600,024
Europe [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		289,010	349,651	288,735
Europe [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		259,491	307,441	302,137
Europe [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		13,414	16,118	9,152
Latin America [Member]
Disaggregation Of Revenue [Line Items]
Net sales		306,244	369,948	304,542
Latin America [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		304,870	363,799	299,601
Latin America [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		1,112	4,629	3,823
Latin America [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		262	1,520	1,118
Asia [Member]
Disaggregation Of Revenue [Line Items]
Net sales		102,610	109,377	113,088
Asia [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		59,721	69,679	69,990
Asia [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		$ 42,889	$ 39,698	$ 43,098

[1] Includes net property, plant and equipment, goodwill and other intangible assets.