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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Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 46,105	$ 35,743
Less accumulated depreciation and amortization	(18,155)	(11,474)
Property and equipment, net	27,950	24,269	$ 16,563
Capitalized Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	7,923	4,208
Capitalized Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	181	252
Capitalized Website Development Costs
Property Plant And Equipment [Line Items]
Property and equipment, gross	11,083	6,907
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	6,809	4,584
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	19,507	10,821
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	524	$ 8,971
Finance Lease Right-of-use Assets
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 78