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Property, Plant and Equipment - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property Plant And Equipment [Abstract]      
Depreciation $ 12,500,000 $ 12,700,000 $ 12,800,000
Asset impairments $ 3,872,000 $ 0 $ 0