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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 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Summary Of Significant Accounting Policy [Line Items] |  |
Property, plant and equipment, net | $ 65,194 | $ 68,086
Other assets | $ 18,225 | 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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