Composition Of Certain Financial Statement Captions - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 64,699	$ 64,165
Less: accumulated depreciation and amortization	(32,863)	(31,288)
Property and equipment, net	31,836	32,877
Equipment, furniture and other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	32,969	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	$ 8,121	$ 8,103