Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 61,974	$ 52,747
Accumulated depreciation	24,811	16,409
Property and equipment, net	37,163	36,338
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	18,848	16,546
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,735	4,910
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 37,391	$ 31,291