Other Comprehensive Income (Schedule Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (1,810)	$ (1,508)
Net Change	689	360
Ending Balance	(1,121)	(1,148)
Net Unrealized Gain On Investment Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	475	911
Net Change	649	331
Ending Balance	1,124	1,242
Net Defined Benefit Pension Plan Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(2,285)	(2,419)
Net Change	40	29
Ending Balance	$ (2,245)	$ (2,390)