Annual report pursuant to Section 13 and 15(d)

Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Cash Flow Hedging, Derivative Financial Instruments On The Income Statement) (Details)

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Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Cash Flow Hedging, Derivative Financial Instruments On The Income Statement) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]      
Total Amount of Interest Expense presented in the consolidated statements $ (65,192) $ (80,991) $ (90,569)
Interest Rate Cap [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain or (Loss) Recognized in OCI on Derivative 10    
Total Amount of Interest Expense presented in the consolidated statements (65,192) (80,991) (90,569)
Not Designated as Hedging Instrument [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income   16 3,551
Not Designated as Hedging Instrument [Member] | Interest And Other Investment Income (Loss) [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain or (Loss) Recognized in Income on Derivative and Reclassification for Forecasted Transactions No Longer Probable of Occurring     1,926
Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain or (Loss) Recognized in OCI on Derivative     (4,682)
Total Amount of Interest Expense presented in the consolidated statements $ (65,192) $ (80,991) $ (90,569)