Revenue from Contracts with Customers - Summary of Geographic Disaggregation of Net Sales (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Net sales	[1]	$ 2,180,274	$ 2,325,768	$ 2,773,270
Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		1,532,115	1,602,819	1,882,745
Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		584,905	642,471	789,080
Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		63,254	80,478	101,445
North America [Member]
Disaggregation Of Revenue [Line Items]
Net sales		1,239,605	1,354,999	1,620,735
North America [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		894,105	949,218	1,099,616
North America [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		289,777	338,979	437,312
North America [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		55,723	66,802	83,807
Europe [Member]
Disaggregation Of Revenue [Line Items]
Net sales		517,525	561,915	673,210
Europe [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		263,841	289,010	349,651
Europe [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		246,529	259,491	307,441
Europe [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		7,155	13,414	16,118
Latin America [Member]
Disaggregation Of Revenue [Line Items]
Net sales		321,093	306,244	369,948
Latin America [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		319,438	304,870	363,799
Latin America [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		1,279	1,112	4,629
Latin America [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales		376	262	1,520
Asia [Member]
Disaggregation Of Revenue [Line Items]
Net sales		102,051	102,610	109,377
Asia [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales		54,731	59,721	69,679
Asia [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales		$ 47,320	$ 42,889	$ 39,698

[1] Net sales are attributed to countries based on the location of the Company legal entity making the sale.