Segment Reporting - Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 551,418	$ 651,436
Surfactants [Member]
Segment Reporting Information [Line Items]
Net sales	390,820	467,828
Polymers [Member]
Segment Reporting Information [Line Items]
Net sales	145,508	161,127
Specialty Products [Member]
Segment Reporting Information [Line Items]
Net sales	$ 15,090	$ 22,481

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details