Fair Value Of Financial Instruments (Schedule Of Carrying Value And Fair Value Financial Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in marketable securities, Book Value	$ 57	$ 55
Interest rate swaps liability, Book Value	4,223	5,855
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in marketable securities, Book Value	57	55
Investment in marketable securities, Fair Value	57	55
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps liability, Book Value	4,223	5,855
Interest rate swaps liability, Fair Value	$ 4,223	$ 5,855