Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 28,855	$ 19,899
Accumulated depreciation	11,532	8,003
Property and equipment, net	17,323	11,896
Computer Equipment
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	12,848	8,473
Office Furniture and Equipment
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	3,193	2,263
Leasehold Improvements
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 12,814	$ 9,163

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 depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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