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Geographic Information and Concentrations of Risk - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |
Net foreign currency transaction losses | $ (0.7) | $ (0.3)
Net Revenues | Customer Concentration | Customer One |  |
Segment Reporting Information [Line Items] |  |
Concentration percentage | 54.50% | 52.50%
Accounts Receivable | Customer Concentration | Customer One |  |
Segment Reporting Information [Line Items] |  |
Concentration percentage | 33.30% | 25.00%
Accounts Receivable | Customer Concentration | Customer Two |  |
Segment Reporting Information [Line Items] |  |
Concentration percentage | 17.20% | 11.20%

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