Property and Equipment - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 1,400,000	$ 800,000
Disposal of property plant and equipment		0
Gain (Loss) on Disposition of Property Plant Equipment	(7,000)	$ 0
Assets acquired under finance lease arrangements	4,500,000
Accumulated depreciation for assets under capital lease	1,100,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Disposal of property plant and equipment	1,300,000
Computer hardware
Property, Plant and Equipment [Line Items]
Disposal of property plant and equipment	100,000
Office furniture and fixtures
Property, Plant and Equipment [Line Items]
Disposal of property plant and equipment	$ 100,000