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Fair Value of Financial Instruments (Details Textual) | 6 Months Ended
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Jun. 30, 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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- Details
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Period Type: | duration

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- Definition Maturity period of federal funds sold and securities purchased under agreement to resell. + References No definition available. + Details
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