Equipment and Leasehold Improvements - Schedule of Equipment and Leasehold Improvements, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Equipment and Leasehold Improvements, Net
Total	$ 34,217	$ 29,863
Less accumulated depreciation and amortization	(19,584)	(17,132)
Equipment and leasehold improvements, net	14,633	12,731
Office Equipment
Equipment and Leasehold Improvements, Net
Total	13,336	11,517
Furniture and Fixtures
Equipment and Leasehold Improvements, Net
Total	5,013	4,533
Leasehold Improvements
Equipment and Leasehold Improvements, Net
Total	$ 15,868	$ 13,813

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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