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