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