Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Additional Information (Detail)

v3.20.2
Segment Information - Additional Information (Detail) - Sales Revenue, Net - Customer
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Customer Concentration Risk | United States        
Segment Reporting Information [Line Items]        
Percentage of sales 73.00% 57.00% 71.00% 61.00%
Customer Concentration Risk | International        
Segment Reporting Information [Line Items]        
Percentage of sales 27.00% 43.00% 29.00% 39.00%
Geographic Concentration Risk | International        
Segment Reporting Information [Line Items]        
Number of customers which represented more than 10% of the Company's revenue 0 0 0 0