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Income Taxes (Details)	6 Months Ended
	Jun. 30, 2013
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Recognition of tax benefits threshold, likeliness of realization	50.00%

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- Definition

Percentage of Largest Amount of Tax Benefit Realized

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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Namespace Prefix:	us-gaap_
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