Securities (Narrative) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Securities [Abstract]
Carrying value of securities pledged as collateral to secure public deposits	$ 58.9	$ 57.5
Fair value of investments, carried at less than historical costs	$ 52.7	$ 42.9
Percentage available for sale Securities in unrealized loss positions out of total available for sale securities	46.00%	38.00%