Securities (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Carrying value of securities pledged as collateral to secure public deposits	$ 52,500	$ 55,300
Fair value of investments, carried at less than historical costs	$ 24,200	$ 53,800
Percentage available for sale Securities in unrealized loss positions out of total available for sale securities	27.00%	52.00%