Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Fair Value Of The Derivative Financial Instruments) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Accounts Payable, Accrued Expenses And Other Liabilities [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	$ 7,253
Not Designated as Hedging Instrument [Member] | Interest Rate Cap [Member] | Deferred Charges, Goodwill And Other Assets [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives		$ 2