Goodwill And Intangible Assets (Summary Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 24,707	$ 26,189
Less: accumulated amortization	(22,661)	(23,758)
Less: impairment charges	(8)	(40)
Net intangible assets other than goodwill	2,038	2,391
Beneficial Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	11,283	12,216
Less: accumulated amortization	(11,089)	(11,964)
Net intangible assets other than goodwill	194	252
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	9,024	9,058
Less: accumulated amortization	(7,961)	(7,838)
Net intangible assets other than goodwill	1,063	1,220
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	4,400	4,915
Less: accumulated amortization	(3,611)	(3,956)
Less: impairment charges	(8)	(40)
Net intangible assets other than goodwill	$ 781	$ 919