Properties And Equipment (Schedule Of Property And Equipment) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total cost	$ 463,723	$ 480,346
Less: accumulated depreciation	(209,914)	(217,929)
Operating properties, net	253,809	262,417
Land [Member]
Property, Plant and Equipment [Line Items]
Total cost	59,696	61,095
Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Total cost	201,096	205,821
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total cost	50,320	53,984
Fixtures And Equipment [Member]
Property, Plant and Equipment [Line Items]
Total cost	148,276	155,156
Construction-In-Progress [Member]
Property, Plant and Equipment [Line Items]
Total cost	$ 4,335	$ 4,290