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Geographic Information and Concentrations of Risk - Narrative (Details) - Customer Concentration | 3 Months Ended | 6 Months Ended | 12 Months Ended
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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% |  |

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