Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (22,321)	$ (4,532)	$ (5,671)	$ (719)
Net Change	(11,978)	1,797	(28,628)	(2,016)
Ending Balance	(34,299)	(2,735)	(34,299)	(2,735)
Net Unrealized Gain (Loss) On Investment Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(19,865)	(1,492)	(3,160)	2,397
Net Change	(12,033)	1,722	(28,738)	(2,167)
Ending Balance	(31,898)	230	(31,898)	230
Net Defined Benefit Pension Plan Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(2,456)	(3,040)	(2,511)	(3,116)
Net Change	55	75	110	151
Ending Balance	$ (2,401)	$ (2,965)	$ (2,401)	$ (2,965)