Derivative Financial Instruments (Schedule Of Gains And Losses Related To Derivative Instruments) (Details) (Cash Flow Hedging [Member], Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (1,018)	$ (12,663)
Interest Expense [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ (7,280)	$ (18,356)