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Repurchase Agreements and Other Borrowings (Details) (USD $)
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6 Months Ended | |||
|---|---|---|---|---|
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Jun. 30, 2012
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Feb. 11, 2011
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May 13, 2011
Series C Convertible Preferred Stock [Member]
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Mar. 02, 2011
Series C Convertible Preferred Stock [Member]
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| Repurchase Agreements and Other Borrowings [Abstract] | ||||
| Securities Sold under Agreements to Repurchase Increase (Decrease) | $ 14,400,000 | |||
| Federal Home Loan Bank Advances Short and Long Term, Increase (Decrease) | 10,000,000 | |||
| Number of Federal Home Loan Bank, Advances, Maturities | 2 | |||
| Class of Stock [Line Items] | ||||
| Preferred Stock, shares subscribed, value | $ 27,500,000 | |||
| Number of Investors Completing the Required Bank Regulatory Process | 4 | 3 |