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Goodwill And Intangible Assets (Summary Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
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Finite-Lived Intangible Assets [Line Items] |  |
Gross intangible assets | $ 34,684 | $ 31,827
Less: Accumulated amortization | (24,337) | (20,341)
Net intangible assets | 10,347 | 11,486
Beneficial Leases [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross intangible assets | 26,738 | 24,150
Less: Accumulated amortization | (19,687) | (15,989)
Net intangible assets | 7,051 | 8,161
Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross intangible assets | 7,254 | 7,254
Less: Accumulated amortization | (4,207) | (3,929)
Net intangible assets | 3,047 | 3,325
Other Amortization [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross intangible assets | 692 | 423
Less: Accumulated amortization | (443) | $ (423)
Net intangible assets | $ 249 |

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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