Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Investments In Unconsolidated Joint Ventures [Abstract]
Total revenues	$ 305,034	$ 255,510	$ 68,183
Operating and other expenses	(233,320)	(217,739)	(37,008)
Depreciation and amortization	(42,985)	(32,889)	(10,139)
Interest expense	(32,862)	(16,709)	(6,775)
Net income (loss)	$ (4,133)	$ (11,827)	$ 14,261