Property and Equipment (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 238,236	$ 226,235
Less: Accumulated Depreciation and Amortization	141,310	128,678
Property and Equipment, net	96,926	97,557
Land [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	4,937	4,937
Building [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	44,588	44,527
Property and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	59,322	58,371
Computer Software and Hardware [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	66,037	61,581
Leasehold Improvement [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	59,922	55,311
Asset under Construction [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 3,430	$ 1,508

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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