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Preferred Stock Purchase Rights (Details) | Dec. 31, 2013
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Preferred Stock Purchase Rights (Textual) [Abstract] |
Preferred Stock, Authorized | 5,000,000
Junior participating preferred Stock, Authorized | 2,000,000

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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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Balance Type: | na
Period Type: | instant

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- Definition Junior participating preferred stock shares authorized. + References No definition available. + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Details
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