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Goodwill and Other Intangible Assets (Details Textual) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 Marketing & Events U.S [Member] | Dec. 31, 2012 United Kingdom (Melville GES) [Member] | Dec. 31, 2012 GES Canada [Member] | Dec. 31, 2012 Brewster [Member] | Dec. 31, 2012 Glacier Park [Member] | Dec. 31, 2012 Alaska Denali Travel [Member] | Dec. 31, 2012 Customer Contracts [Member]
Indefinite-lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 4 years 9 months 18 days |  |  |  |  |  |  |  |  | 3 years 8 months 12 days
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of estimated fair values |  |  |  | 126.00% | 67.00% | 34.00% | 58.00% | 37.00% | 14.00% |
Goodwill and Other Intangible Assets (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Impairment losses |  |  | $ 185,000 |  |  |  |  |  |  |
Intangible asset amortization expense | 693,000 | 772,000 | 954,000 |  |  |  |  |  |  |
Cumulative goodwill impairment losses | $ 225,200,000 |  |  |  |  |  |  |  |  |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies only to intangible assets used in the delivery of services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(d)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The accumulated impairment losses related to goodwill as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 46 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Details
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- Definition Percentage of estimated fair values. + References No definition available. + Details
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