Other Assets (Schedule Of Other Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Other Assets [Abstract]
Restricted cash	$ 9,342	$ 8,991
Long-term investments	52,824	52,801
Prepaid land rent	128,153	119,047
Straight-line rent receivable	204,128	179,292
Other	48,385	40,721
Total other assets	$ 442,832	$ 400,852