Fair Value (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 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 three largest banks	$ 17,600,000		$ 17,600,000
Investment in three largest banks percentage			49.50%
Investment in Floating rate trust preferred securities			35,600,000
Write-downs on REO properties	$ 7,000	$ 746,000	$ 368,000	$ 827,000