Deposits (Summary Of Interest Bearing Deposits By Type) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016		Sep. 30, 2016
Deposits [Abstract]
Demand deposits, interest bearing	$ 397,843	$ 262,591		$ 212,172
Savings deposits	362,653	337,348		321,563
Time deposits	640,362	545,843		500,397
Total	$ 1,400,858	$ 1,145,782	[1]	$ 1,034,132

[1] Derived from audited consolidated financial statements