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Goodwill and Intangible Assets (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Goodwill [Line Items] |  |  |
Goodwill, Impaired, Accumulated Impairment Loss | $ 31,319 |  |
Weighted Average Amortization Period | 6 years |  |
Finite Lived Intangible Assets Amortization Expenses | $ 18,908 | $ 26,575 | $ 21,997
Other Intangible Assets [Member] |  |  |
Goodwill [Line Items] |  |  |
Weighted Average Amortization Period | 8 years |  |
Customer Relationships [Member] |  |  |
Goodwill [Line Items] |  |  |
Weighted Average Amortization Period | 5 years |  |

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- Definition Aggregate amount of intangible asset amortization recognized as expense during the period + References No definition available. + Details
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- Definition This represents the weighted average amortization period of intangible assets. + References No definition available. + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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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- Details
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