Other Assets (Schedule Of Other Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Other Assets [Abstract]
Long-term investments	$ 7,953	$ 8,140
Prepaid land rent	185,204	158,176
Straight-line rent receivable	296,736	267,682
Deferred lease costs, net	30,542	30,577
Deferred financing fees, net	3,204	3,919
Other	42,955	32,760
Total other assets	$ 566,594	$ 501,254