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Property, Plant and Equipment, Net - Narrative (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Property, Plant and Equipment [Abstract]        
Depreciation expenses $ 6,037 $ 5,253 $ 12,213 $ 10,529