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Goodwill And Intangible Assets (Summary Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 25,124 | $ 26,189
Less: Accumulated amortization | (23,006) | (23,758)
Less: Impairments | (8) | (40)
Net intangible assets other than goodwill | 2,110 | 2,391
Beneficial Leases [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 11,237 | 12,216
Less: Accumulated amortization | (11,030) | (11,964)
Net intangible assets other than goodwill | 207 | 252
Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 9,058 | 9,058
Less: Accumulated amortization | (7,956) | (7,838)
Net intangible assets other than goodwill | 1,102 | 1,220
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 4,829 | 4,915
Less: Accumulated amortization | (4,020) | (3,956)
Less: Impairments | (8) | (40)
Net intangible assets other than goodwill | $ 801 | $ 919

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