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Business Segments, Concentration of Credit Risk and Significant Customers - Schedule of Customers Who Accounted for at Least 10% of Total Net Revenue (Details) - Net Revenues - Customer Concentration
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Customer A        
Significant Customers        
Percentage of concentration risk 40.00% 44.00% 28.00% 32.00%
Customer B        
Significant Customers        
Percentage of concentration risk 37.00% 29.00% 38.00% 28.00%
Customer C        
Significant Customers        
Percentage of concentration risk 10.00%      
Customer D        
Significant Customers        
Percentage of concentration risk     11.00%