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Summary of Significant Accounting Policies - Estimated useful life of Property, Plant, and Equipment, Net (Detail)
12 Months Ended
Dec. 31, 2020
Building [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 40 years
Building Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 5 years
Machinery and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 4 years
Machinery and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 6 years
Computer Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 3 years
Computer Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 4 years