Condensed Consolidated Balance Sheet Components - Internal-Use Software, Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Public Utility, Property, Plant and Equipment [Line Items]
Internal-use software, and property and equipment	$ 10,901		$ 10,901		$ 10,476
Less: accumulated depreciation and amortization	(6,908)		(6,908)		(5,284)
Internal-use software, and property and equipment, net	3,993		3,993		5,192
Depreciation expense	200	$ 100	300	$ 100
Capitalized internal-use software amortization expense	600	700	1,400	1,400
Impairment loss on internally developed software	0	$ 0	0	$ 500
Capitalized internal-use software
Public Utility, Property, Plant and Equipment [Line Items]
Internal-use software, and property and equipment	8,995		8,995		9,000
Leasehold improvements
Public Utility, Property, Plant and Equipment [Line Items]
Internal-use software, and property and equipment	1,208		1,208		866
Furniture and fixtures
Public Utility, Property, Plant and Equipment [Line Items]
Internal-use software, and property and equipment	535		535		485
Computer equipment
Public Utility, Property, Plant and Equipment [Line Items]
Internal-use software, and property and equipment	$ 163		$ 163		$ 125