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Property Plant And Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Property Plant And Equipment [Line Items]    
Less: Accumulated depreciation $ (95,125) $ (91,991)
Property, plant and equipment, net 192,583 187,020
Land [Member]    
Property Plant And Equipment [Line Items]    
Property, Plant and Equipment, Gross 10,534 10,447
Leaseholds and Leasehold Improvements [Member]    
Property Plant And Equipment [Line Items]    
Property, Plant and Equipment, Gross 4,158 4,154
Building [Member]    
Property Plant And Equipment [Line Items]    
Property, Plant and Equipment, Gross 143,163 142,060
Machinery and Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property, Plant and Equipment, Gross 70,080 69,390
Construction in Progress [Member]    
Property Plant And Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 59,773 $ 52,960