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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 34,540 $ 45,065
Less accumulated depreciation (19,266) (22,865)
Property, plant and equipment, net 15,274 22,200
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 147 1,623
Building and Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 7,400 18,185
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 26,993 $ 25,257