Employee Benefits And Deferred Compensation Plans (Schedule Of Defined Benefit Plans Disclosures, Employee Pension Plan) (Details) (Employees’ Pension Plan [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employees’ Pension Plan [Member]
Change in benefit obligation:
Benefit obligation at beginning of year	$ 4,545	$ 4,095
Service cost
Interest cost	213	217	219
Assumption change	341	519
Actuarial (gain) loss	189	(54)
Benefits paid	(437)	(232)
Benefit obligation at end of year	4,851	4,545	4,095
Change in plan assets:
Fair value of plan assets at beginning of year	3,094	3,098
Actual return on plan assets	506	108
Employer contributions	370	120
Fair value of plan assets at end of year	3,533	3,094	3,098
Funded status	(1,318)	(1,451)
Accrued benefit liabilities	(1,318)	(1,451)
Net actuarial loss	1,817	1,629
Prior service cost
Net amount recognized in equity – pre-tax	1,817	1,629
Net amount recognized on Consolidated Balance Sheets in Other Liabilities	499	178
Accumulated benefit obligation at year end	$ 4,851	$ 4,545