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Summary of Significant Accounting Policies - Schedule of Impact of Adoption of ASU 2018-15 on Condensed Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Summary Of Significant Accounting Policy [Line Items]
Property, plant and equipment, net	$ 64,353	$ 68,086
Other assets	$ 20,409	19,883
ASU 2018-15 [Member]
Summary Of Significant Accounting Policy [Line Items]
Property, plant and equipment, net		68,086
Other assets		19,883
Pre-Adoption [Member]
Summary Of Significant Accounting Policy [Line Items]
Property, plant and equipment, net		73,708
Other assets		14,261
Effect of Adoption [Member] | ASU 2018-15 [Member]
Summary Of Significant Accounting Policy [Line Items]
Property, plant and equipment, net		(5,622)
Other assets		$ 5,622

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Amount of noncurrent assets classified as other.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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