Balance Sheet Detail - Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 84,768	$ 63,772
Accumulated depreciation	(38,304)	(29,059)
Property and equipment—net	46,464	34,713
Computer Equipment and Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19,923	15,749
Computer Equipment and Software \| Minimum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	3 years
Computer Equipment and Software \| Maximum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	5 years
Internally Developed Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 27,099	10,438
Internally Developed Software \| Minimum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	3 years
Internally Developed Software \| Maximum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	6 years
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 6,425	6,651
Property and equipment, Useful Life	5 years
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 1,275	1,006
Office Equipment \| Minimum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	3 years
Office Equipment \| Maximum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	5 years
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 30,046	$ 29,928
Leasehold Improvements \| Minimum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	1 year
Leasehold Improvements \| Maximum
Property Plant And Equipment [Line Items]
Property and equipment, Useful Life	10 years

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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