Securities Available For Sale (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) security	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) security	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Securities Available For Sale [Abstract]
Realized gains	$ 0	$ 0	$ 0	$ 0
Securities pledged as collateral	$ 85,500		$ 85,500		$ 87,300
Securities in an unrealized loss position | security	49		49