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Goodwill And Intangible Assets (Summary Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 26,014 | $ 25,451
Less: Accumulated amortization | (21,465) | (21,131)
Net intangible assets other than goodwill | 4,549 | 4,320
Beneficial Leases [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 12,241 | 15,048
Less: Accumulated amortization | (10,161) | (14,496)
Net intangible assets other than goodwill | 2,080 | 552
Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 9,062 | 7,258
Less: Accumulated amortization | (7,224) | (5,449)
Net intangible assets other than goodwill | 1,838 | 1,809
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 4,711 | 3,145
Less: Accumulated amortization | (4,080) | (1,186)
Net intangible assets other than goodwill | $ 631 | $ 1,959

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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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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