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Income Taxes (Details) (Internal Revenue Service (IRS) [Member]) | 6 Months Ended
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Jun. 30, 2014
Minimum [Member] |
Income Tax Examination [Line Items] |
Tax years open for future examination | 2010
Maximum [Member] |
Income Tax Examination [Line Items] |
Tax years open for future examination | 2012

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

X
- Definition Tax year being audited in the income tax examination, in CCYY format. + References No definition available. + Details
Name: | us-gaap_IncomeTaxExaminationYearUnderExamination
Namespace Prefix: | us-gaap_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration