Revenue from Contracts with Customers - Summary of Geographic Disaggregation of Net Sales (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Net sales	$ 651,436	$ 675,276
Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales	467,828	468,266
Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	161,127	187,079
Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	22,481	19,931
North America [Member]
Disaggregation Of Revenue [Line Items]
Net sales	375,908	384,760
North America [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales	277,140	273,228
North America [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	81,169	94,856
North America [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	17,599	16,676
Europe [Member]
Disaggregation Of Revenue [Line Items]
Net sales	165,048	174,932
Europe [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales	91,120	91,017
Europe [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	69,057	80,783
Europe [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	4,872	3,132
Latin America [Member]
Disaggregation Of Revenue [Line Items]
Net sales	81,894	86,777
Latin America [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales	81,099	85,434
Latin America [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	785	1,220
Latin America [Member] | Specialty Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	10	123
Asia [Member]
Disaggregation Of Revenue [Line Items]
Net sales	28,586	28,807
Asia [Member] | Surfactants [Member]
Disaggregation Of Revenue [Line Items]
Net sales	18,470	18,587
Asia [Member] | Polymers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 10,116	$ 10,220