Property and Equipment, Net - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 253,806	$ 251,127
Less: accumulated depreciation and amortization	(226,048)	(218,528)
Property and equipment, net	27,758	32,599
Computer equipment
Property, Plant and Equipment [Line Items]
Computer equipment	181,204	179,002
Computer software
Property, Plant and Equipment [Line Items]
Total property and equipment	26,154	26,133
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	20,987	20,924
Scanner appliances
Property, Plant and Equipment [Line Items]
Total property and equipment	18,661	18,369
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 6,800	$ 6,699