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Balance Sheets Components - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment, gross, finance lease	$ 34,473
Property and equipment, gross		$ 33,121
Less: Accumulated depreciation and amortization	(26,397)
Less: Accumulated depreciation and amortization		(24,341)
Property and equipment, finance lease, net	8,076
Property and equipment, net		8,780
Computer, equipment and software
Property Plant And Equipment [Line Items]
Property and equipment, gross, finance lease	29,804
Property and equipment, gross		28,227
Property and equipment, finance leases	5,300
Accumulated amortization, finance lease	3,100
Furniture and fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,072	1,118
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 3,597	$ 3,776

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