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Earnings Per Common Share (Details Textual)
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9 Months Ended | |
|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2011
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| Earnings per common share (Additional Textual) [Abstract] | ||
| Each share convertible into shares | 69 | |
| Minimum time for conversion | 5 years | |
| Date for redeem shares at face value | May 20, 2014 | |
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Series A preferred stock [Member]
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| Earnings Per Common Share (Textual) [Abstract] | ||
| Number of Series A Noncumulative Preferred Stock Shares | 17,921 | 18,921 |
| Dividend Rate | 6.00% |