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Revenues - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Minimum [Member]    
Deferred Revenue Arrangement [Line Items]    
Deferred revenue payment terms 30 days  
Maximum [Member]    
Deferred Revenue Arrangement [Line Items]    
Deferred revenue payment terms 90 days  
Revenue recognition timing of invoicing period 1 year  
Contract Liabilities [Member]    
Deferred Revenue Arrangement [Line Items]    
Accrued sales incentives $ 2.4 $ 2.4