Net Periodic Benefit Costs (Schedule Of Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 52	$ 47	$ 155	$ 143
Expected return on plan assets	(76)	(65)	(229)	(195)
Amortization of the net loss	5	17	15	50
Net periodic cost (benefit)	(19)	(1)	(59)	(2)
Supplemental Executive Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	40	42	124	124
Interest cost	37	32	117	94
Amortization of prior service cost	7	17	22	52
Amortization of the net loss	20	28	62	83
Net periodic cost (benefit)	$ 104	$ 119	$ 325	$ 353