Components of Net Periodic Pension Cost (Schedule Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 133	$ 139	$ 397	$ 417
Net amortization and deferral	(29)	(21)	(85)	(63)
Net periodic pension cost	$ 104	$ 118	$ 312	$ 354