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Amount of assets acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions - Summary of Preliminary Purchase Price Allocation for Acquisition (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 17, 2020	Dec. 31, 2019
Assets:
Goodwill, net	$ 27,152		$ 26,086
2020 Acquisitions [Member] \| Clariant (Mexico) S.A. de C.V. [Member] \| Surfactants [Member]
Assets:
Goodwill, net		$ 4,595
Property, plant and equipment		789
Total assets acquired		14,000
2020 Acquisitions [Member] \| Clariant (Mexico) S.A. de C.V. [Member] \| Surfactants [Member] \| Customer Lists [Member}
Assets:
Identifiable intangible assets		4,814
2020 Acquisitions [Member] \| Clariant (Mexico) S.A. de C.V. [Member] \| Surfactants [Member] \| Trademarks and Know-how [Member]
Assets:
Identifiable intangible assets		2,802
2020 Acquisitions [Member] \| Clariant (Mexico) S.A. de C.V. [Member] \| Surfactants [Member] \| Non-Compete Agreement [Member]
Assets:
Identifiable intangible assets		$ 1,000