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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Maximum [Member]	Jun. 30, 2012 Minimum [Member]
Income Tax Contingency [Line Items]
Open tax years			2011	2008
Income Taxes (Textual) [Abstract]
Unrecognized tax benefits	$ 0	$ 0
Accrued interest or penalties	$ 0	$ 0

This element represents the amount of statutory penalties accrued as of the date of the statement of financial position for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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