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Restructuring - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]    
Restructuring liability, current $ 200  
Impairment of abandoned product line, net of recoveries 0 $ 355
2015 Initiatives    
Restructuring Cost and Reserve [Line Items]    
Expected costs $ 6,000