Income Taxes (Schedule Of Components Of Income Tax Provision (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
Current federal tax expense	$ 2,041	$ 1,990	$ 2,784
Current state tax expense	18	4	3
Total current tax expense	2,059	1,994	2,787
Deferred federal tax expense (benefit)	2,441	(405)	435
Deferred state tax expense	709	334	545
Total deferred tax expense (benefit)	3,150	(71)	980
Total income tax provision	$ 5,209	$ 1,923	$ 3,767