Segment Reporting - Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 651,436	$ 675,276
Surfactants [Member]
Segment Reporting Information [Line Items]
Net sales	467,828	468,266
Polymers [Member]
Segment Reporting Information [Line Items]
Net sales	161,127	187,079
Specialty Products [Member]
Segment Reporting Information [Line Items]
Net sales	$ 22,481	$ 19,931

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