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Property, Plant And Equipment - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Property Plant And Equipment [Abstract]        
Depreciation expense related to property, plant and equipment $ 2,833 $ 1,878 $ 6,677 $ 5,235
Elimination of Assets and Accumulated depreciation $ 476 $ 205 $ 787 $ 601