Quarterly report pursuant to Section 13 or 15(d)

Entity Level Information - Percentage of Total Revenues (Details)

v3.20.2
Entity Level Information - Percentage of Total Revenues (Details) - Revenues - Customer Concentration
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Customer A        
Revenues From External Customers And Long Lived Assets [Line Items]        
Concentration risk percentage 11.00% 25.00%   31.00%
Customer B        
Revenues From External Customers And Long Lived Assets [Line Items]        
Concentration risk percentage 28.00% 19.00% 40.00% 12.00%
Customer C        
Revenues From External Customers And Long Lived Assets [Line Items]        
Concentration risk percentage 11.00% 19.00% 11.00% 20.00%
Customer D        
Revenues From External Customers And Long Lived Assets [Line Items]        
Concentration risk percentage 13.00%   10.00%  
Customer E        
Revenues From External Customers And Long Lived Assets [Line Items]        
Concentration risk percentage   12.00%