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Property, Plant and Equipment, Net - Property, Plant and Equipment, Net (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Property Plant And Equipment [Abstract]    
Property, plant and equipment, gross $ 728,319 $ 744,161
Less: Accumulated depreciation and amortization (482,519) (490,126)
Property, plant and equipment, net $ 245,800 $ 254,035