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Acquisition - Additional Information (Detail) - Filament - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 02, 2018
Sep. 30, 2018
Sep. 30, 2018
Business Acquisition [Line Items]      
Business acquisition, date of acquisition agreement     Dec. 22, 2017
Business acquisition, effective date of acquisition     Mar. 02, 2018
Aggregate acquisition agreement amount $ 295,411    
Business acquisition, cash consideration $ 218,506    
Business acquisition, equity interest issued or issuable, number of shares 5,593,116    
Business combination, consideration transferred, equity interests issued and issuable $ 76,905    
Goodwill   $ 4,900  
Net sales   $ 38,600 $ 77,200