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Basis of Presentation (Details)	6 Months Ended
	Jun. 30, 2012 Segment
Basis of Presentation (Textual) [Abstract]
Number of reportable segments	3

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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