Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,546	$ 6,778
Accumulated depreciation	(2,915)	(3,424)
Property and equipment—net	3,631	3,354
Information technology
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,589	5,821
Information technology | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (years)	2 years
Information technology | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (years)	5 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 957	$ 957
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (years)	2 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (years)	5 years