Fixed and Intangible Assets - Schedule of Equipment and Leasehold Improvements, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Equipment and Leasehold Improvements, Net
Total	$ 55,793	$ 36,049
Less accumulated depreciation and amortization	(22,415)	(22,057)
Equipment and leasehold improvements, net	33,378	13,992
Office Equipment
Equipment and Leasehold Improvements, Net
Total	11,808	13,593
Furniture and Fixtures
Equipment and Leasehold Improvements, Net
Total	5,032	5,054
Leasehold Improvements
Equipment and Leasehold Improvements, Net
Total	15,189	15,294
Construction in progress
Equipment and Leasehold Improvements, Net
Total	$ 23,764	$ 2,108

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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