Investment Securities (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Investment Securities (Textual) [Abstract]
Stock held by the bank	$ 3,899,000	$ 3,456,000
Investment Securities (Additional Textual) [Abstract]
Number of securities covered under unrealized losses	25	50
FHLB [Member]
Investment Securities (Textual) [Abstract]
Stock held by the bank	3,900,000	3,500,000
Annualized rate of FHLB dividend	1.51%
Dividend equal to three-month LIBOR	1.00%
Securities with amortized cost Pledged as Collateral	186,600,000	197,600,000
Securities with an amortized cost	60,800,000	47,400,000
Fair value Pledged As Collateral	$ 62,300,000	$ 48,000,000