Securities (Unrealized Losses Narrative) (Details) (USD $)			6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 US States and Political Subdivisions Debt Securities [Member]	Jun. 30, 2012 US States and Political Subdivisions Debt Securities [Member]	Jun. 30, 2012 Residential Mortgage Backed Securities [Member]	Jun. 30, 2013 Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Gross Realized Gains on Marketable Securities					$ 511,000	$ 338,000
Gross Realized Losses on Marketable Securities			4,000	4,000
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds			64,000	64,000	6,100,000	9,100,000
Available-for-sale Securities Pledged as Collateral	65,800,000	78,400,000
Available For Sale Securities Pledged As Collateral Against Government Deposits	$ 14,200,000	$ 25,100,000