Balance Sheet Components - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Depreciation	$ 2,800	$ 2,300	$ 8,300	$ 6,700
Property and equipment, net	38,226		38,226		$ 36,053
Accumulated amortization	28,258		28,258		24,416
Property and equipment, net	6,544		6,544
Accumulated depreciation	1,123		1,123
Lease obligations, not yet commenced	$ 700		$ 700
Minimum
Property Plant And Equipment [Line Items]
Lease term, not yet commenced	4 years		4 years
Maximum
Property Plant And Equipment [Line Items]
Lease term, not yet commenced	5 years		5 years
Financed Under Capital Leases
Property Plant And Equipment [Line Items]
Property and equipment, net					3,300
Accumulated amortization					$ 2,500