Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Abstract]
Expected provision at the statutory rate													$ 3,557	$ 3,033	$ 2,896
Tax-exempt income													(742)	(715)	(671)
Bank owned life insurance													(120)	(116)	(115)
Nondeductible interest expense													14	14	16
Nondeductible other expenses and other, net													60	41	40
Tax credits														(439)
Total/Actual provision for income taxes	$ 738	$ 776	$ 669	$ 586	$ 634	$ 687	$ (50)	$ 547	$ 555	$ 562	$ 557	$ 492	$ 2,769	$ 1,818	$ 2,166