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Summary of Significant Accounting Policies (Details Textual) (USD $)
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6 Months Ended |
12 Months Ended |
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Jun. 30, 2012
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Dec. 31, 2011
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Jul. 02, 2012
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Jun. 13, 2012
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Jun. 30, 2011
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| Class of Stock [Line Items] |
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| Preferred stock, shares authorized |
1,000,000 |
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| Preferred stock, outstanding |
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25,223 |
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| Summary of Significant Accounting Policies (Textual) [Abstract] |
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| Preferred stock, par value |
$ 0 |
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| Nonaccrual status of loans |
90 days |
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| Unrealized gain on available for sale securities |
$ 3,984,000 |
$ 4,019,000 |
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| Minimum pension liability adjustment |
1,818,000 |
1,818,000 |
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| Warrant to purchase share |
561,343 |
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561,343 |
| Exercise price of common share |
$ 6.74 |
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| Amortization of intangible assets |
10 years |
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| Fixed Rate Cumulative Perpetual Preferred Stock offering price |
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869.17 |
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| Warrant repurchased mutually agreed price |
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860,000 |
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Series A Preferred Stock [Member]
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| Class of Stock [Line Items] |
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| Preferred stock, shares authorized |
150,000 |
150,000 |
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| Preferred stock, shares issued |
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| Sale of shares |
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| Summary of Significant Accounting Policies (Textual) [Abstract] |
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| Preferred stock, par value |
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Series B Preferred Stock [Member]
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| Class of Stock [Line Items] |
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| Preferred stock, shares authorized |
25,223 |
25,223 |
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| Preferred stock, shares issued |
25,223 |
25,223 |
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| Preferred stock, outstanding |
25,223 |
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| Sale of shares |
25,223,000 |
25,223,000 |
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| Corporation's Sale |
$ 25,200,000 |
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| Purchase the Series B preferred stock from Treasury |
$ 856.1325 |
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| Summary of Significant Accounting Policies (Textual) [Abstract] |
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| Preferred stock, par value |
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