Property and Equipment (Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 630,374	$ 652,317
Accumulated depreciation and amortization	(280,065)	(271,801)
Property and equipment, net	350,309	380,516
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	68,353	77,334
Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	320,308	341,542
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	116,429	118,027
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	75,909	76,113
Assets Under Development [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 49,375	$ 39,301