Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 54,977	$ 60,469
Accumulated depreciation and amortization	(24,249)	(24,416)
Property and equipment, net	30,728	36,053
Electronic equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	13,661	12,761
Office and other equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	9,959	9,423
Vehicles
Property Plant And Equipment [Line Items]
Property and equipment, gross	18,701	21,043
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	10,245	11,984
Buildings
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,841	0
Construction in progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 570	$ 5,258

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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