Fair Value (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Fair Value (Textual) [Abstract]
Credit spreads on Moody's rating	55-90 basis points
Liquidity risk adjustments ranged	20-65 basis points
Liquidity risk adjustments ranged, securities of 15 largest banks	20-40 basis points
Investments in four largest banks	$ 17,600,000
Investments in four largest banks percentage	49.50%
Floating rate trust preferred securities	35,600,000
write-downs on REO properties	$ 238,000	$ 8,000