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Noncontrolling Interest (Details Textual) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2007
Noncontrolling Interest [Line Items] |  |
Initial Public Offering Price Per Share |  | $ 210.00
Equity Method Investment, Ownership Percentage | 28.90% |
Percentage Of Owned Of Subsidiaries Membership Units | 87.60% |
Percentage Of Payment To Exchanging Llc Member In Cash Savings Under Tax Benefit Sharing Agreement | 85.00% |
Remaining Percentage Of Payment To Exchanging Llc Member In Cash Savings Under Tax Benefit Sharing Agreement | 15.00% |
Common Class B [Member] |  |
Noncontrolling Interest [Line Items] |  |
Membership Units To Be Issued | 897,903 |

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- Definition Price per share of initial public offering during the period. + References No definition available. + Details
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- Definition Number of LLC membership units to be issued to the affiliates of investors. + References No definition available. + Details
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- Definition The percentage of owned subsidiaries membership units during the period. + References No definition available. + Details
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- Definition The percentage of payment for exchanging LIC member in cash savings under tax benefit sharing agreement. + References No definition available. + Details
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- Definition The remaining percentage of payment for exchanging LIC member in cash savings under tax benefit sharing agreement. + References No definition available. + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Details
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