Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Narrative (Details)

v3.20.1
REVENUE - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Disaggregation of Revenue [Line Items]    
Actual sales returns rates 2.00% 2.00%
Decrease in deferred revenue, revenue recognized $ 2.4  
Increase in deferred revenue from cash payments received $ 2.0  
Minimum    
Disaggregation of Revenue [Line Items]    
Sales returns policy term 14 days  
Historical sales returns rates 1.00%  
Maximum    
Disaggregation of Revenue [Line Items]    
Sales returns policy term 1 year  
Historical sales returns rates 9.00%