Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total	$ 27,844		$ 27,729
Accumulated depreciation	(15,687)		(16,275)
Property and equipment, net	12,157		11,454
Depreciation expense	700	$ 500
Office equipment and software
Property, Plant and Equipment [Line Items]
Total	13,820		14,595
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total	10,229		9,417
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total	$ 3,795		$ 3,717

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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