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Acquisition Activity (Details Textual) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013
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Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | $ 36.4

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | instant