Goodwill And Intangible Assets (Summary Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 23,806	$ 23,785
Less: accumulated amortization	(22,285)	(22,209)
Net intangible assets other than goodwill	1,521	1,576
Beneficial Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	10,458	10,458
Less: accumulated amortization	(10,319)	(10,313)
Net intangible assets other than goodwill	139	145
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	9,024	9,024
Less: accumulated amortization	(8,287)	(8,229)
Net intangible assets other than goodwill	737	795
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	4,324	4,303
Less: accumulated amortization	(3,679)	(3,667)
Net intangible assets other than goodwill	$ 645	$ 636