Balance Sheet Components - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cloud computing implementation costs capitalized	$ 540	$ 37
Capitalized cloud computing implementation costs amortization expense	2	0
Depreciation expense	$ 103	$ 110