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Property, Plant and Equipment, Net - Narrative (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Property, Plant and Equipment [Abstract]        
Depreciation expenses $ 5,253 $ 6,171 $ 10,529 $ 12,038