v3.19.3
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Smash Technologies LLC [Member]        
Related Party Transaction [Line Items]        
Product purchases $ 0 $ 74,000 $ 82,000 $ 272,000