Derivative Financial Instruments (Schedule Of Gains And Losses Related To Derivative Instruments) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest Expense [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	[1]	$ 654	$ (1,386)	$ 2,493	$ 3,979
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		$ (126)	$ 185	$ (595)	$ (451)

[1] (a)There were no gains or losses recognized in earnings related to any ineffective portion of hedging relationships or related to any amount excluded from the assessment of hedge effectiveness for the three months ended September 30, 2015 and 2014.