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Balance Sheets Components - Schedule of Intangible Assets Net (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | $ 21,137 | $ 15,040
Accumulated amortization | (15,160) | (12,971)
Intangible assets, net | 5,977 | 2,069
Internal use software |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | 9,434 | 9,377
Accumulated amortization | (8,633) | (8,312)
Intangible assets, net | 801 | 1,065
Purchased intangibles |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | 11,703 | 5,663
Accumulated amortization | (6,527) | (4,659)
Intangible assets, net | $ 5,176 | $ 1,004

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