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Fair Value of Financial Instruments (Details Textual)	12 Months Ended
	Dec. 31, 2012
Fair Value of Financial Instruments (Textual) [Abstract]
Federal funds sold and securities purchased under agreements to resell	Mature in 90 days or less

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- Definition

Maturity period of federal funds sold and securities purchased under agreement to resell.

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No definition available.

+ Details

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