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Revenue from Contracts with Customers - Summary of Geographic Disaggregation of Net Sales (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation Of Revenue [Line Items] |  |
Net sales | $ 449,987 | $ 489,170
Surfactants [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 327,071 | 349,650
Polymers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 106,491 | 120,179
Specialty Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 16,425 | 19,341
North America [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 283,281 | 301,645
North America [Member] | Surfactants [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 207,946 | 214,297
North America [Member] | Polymers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 61,841 | 71,323
North America [Member] | Specialty Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 13,494 | 16,025
Europe [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 99,151 | 116,899
Europe [Member] | Surfactants [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 59,660 | 71,478
Europe [Member] | Polymers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 36,560 | 42,105
Europe [Member] | Specialty Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 2,931 | 3,316
Latin America [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 47,149 | 51,009
Latin America [Member] | Surfactants [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 46,510 | 50,812
Latin America [Member] | Polymers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 639 | 197
Asia [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 20,406 | 19,617
Asia [Member] | Surfactants [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 12,955 | 13,063
Asia [Member] | Polymers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | $ 7,451 | $ 6,554

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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