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Geographic Information and Concentrations of Risk - Narrative (Details) - Customer Concentration
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Net Revenues | Customer One and Two          
Segment Reporting Information [Line Items]          
Concentration percentage 68.00%   65.10%    
Net Revenues | Customer One          
Segment Reporting Information [Line Items]          
Concentration percentage   55.60%   54.70%  
Accounts Receivable | Customer One          
Segment Reporting Information [Line Items]          
Concentration percentage     35.60%   33.30%
Accounts Receivable | Customer Two          
Segment Reporting Information [Line Items]          
Concentration percentage     12.90%   17.20%
Accounts Receivable | Vendor One          
Segment Reporting Information [Line Items]          
Concentration percentage     11.30%