Balance Sheet Components - Schedule of Property, Equipment, and Software (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property, equipment, and software	$ 89,484	$ 80,104
Accumulated depreciation and amortization	(51,156)	(37,449)
Total property, equipment, and software, net	38,328	42,655
Internally developed software
Property, Plant and Equipment [Line Items]
Total property, equipment, and software	63,551	55,008
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, equipment, and software	15,069	14,281
Computer and networking equipment
Property, Plant and Equipment [Line Items]
Total property, equipment, and software	6,069	6,054
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property, equipment, and software	$ 4,795	$ 4,761