Employee Benefits And Deferred Compensation Plans (Schedule Of Defined Benefit Plans Disclosures, Employee Pension Plan) (Details) - Pension Benefits [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in benefit obligation:
Benefit obligation at the beginning of the year	$ 4,912	$ 6,551
Interest cost	237	179	$ 165
Assumption change	102	(1,613)
Actuarial loss	4	49
Settlements	(263)
Benefits paid	(258)	(254)
Benefit obligation at the end of the year	4,734	4,912	6,551
Change in plan assets:
Fair value of plan assets at beginning of the year	4,998	6,536
Actual return on plan assets	503	(1,284)
Benefits paid	(521)	(254)
Fair value of plan assets at end of the year	4,980	4,998	$ 6,536
Funded status	246	86
Accrued benefit liabilities	246	86
Net actuarial loss	1,879	2,229
Net amount recognized in equity – pre-tax	1,879	2,229
Accumulated benefit obligation at year end	$ 4,734	$ 4,912