Property, Equipment and Software, Net - Summary of Property, Equipment and Software (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Software	$ 206,311	$ 174,360
Leasehold improvements	31,249	31,214
Computer equipment	23,753	27,410
Furniture and fixtures	6,088	6,088
Total property, equipment and software	267,401	239,072
Accumulated depreciation and amortization	(107,633)	(102,599)
Total property, equipment and software, net	159,768	136,473
Internal-use software
Property, Plant and Equipment [Line Items]
Software	71,700	43,700
Purchased software
Property, Plant and Equipment [Line Items]
Software	$ 4,700	$ 3,000

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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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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