Property and Equipment (Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 629,736	$ 579,637
Accumulated depreciation and amortization	(249,527)	(225,969)
Property and equipment, net	380,209	353,668
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	79,720	70,960
Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	339,503	311,409
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	115,051	92,805
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	75,448	72,721
Assets Under Development [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 20,014	$ 31,742

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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