Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Investments In Unconsolidated Joint Ventures [Abstract]
Total revenues	$ 91,274	$ 15,354	$ 103,693	$ 27,058
Operating and other expenses	(81,321)	(9,080)	(89,268)	(16,259)
Depreciation and amortization	(10,083)	(2,398)	(13,174)	(4,788)
Interest expense	(3,310)	(1,652)	(5,322)	(3,342)
Net income	$ (3,440)	$ 2,224	$ (4,071)	$ 2,669