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Composition Of Certain Financial Statement Captions - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 110,958	$ 64,165
Less: Accumulated depreciation and amortization	(47,751)	(31,288)
Property and equipment, net	63,207	32,877	$ 31,037
Equipment, furniture and other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	61,573	32,504
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	18,309	18,258
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,300	5,300
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 25,776	$ 8,103

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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- Definition

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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