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Goodwill And Intangible Assets (Summary Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 26,141 | $ 26,189
Less: Accumulated amortization | (23,809) | (23,758)
Less: Impairments | (40) | (40)
Net intangible assets other than goodwill | 2,292 | 2,391
Beneficial Leases [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 12,191 | 12,216
Less: Accumulated amortization | (11,954) | (11,964)
Net intangible assets other than goodwill | 237 | 252
Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 9,058 | 9,058
Less: Accumulated amortization | (7,878) | (7,838)
Net intangible assets other than goodwill | 1,180 | 1,220
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 4,892 | 4,915
Less: Accumulated amortization | (3,977) | (3,956)
Less: Impairments | (40) | (40)
Net intangible assets other than goodwill | $ 875 | $ 919

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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