Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Investments In Unconsolidated Joint Ventures [Abstract]
Total revenues	$ 74,477	$ 30,993
Operating and other expenses	(57,356)	(18,353)
Depreciation and amortization	(16,993)	(8,368)
Interest expense	(11,334)	(6,341)
Net loss	$ (11,206)	$ (2,069)