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, 2013	Mar. 31, 2012
Investments In Unconsolidated Joint Ventures [Abstract]
Total revenues	$ 12,420	$ 11,704
Operating and other	(7,948)	(7,179)
Depreciation and amortization	(3,091)	(2,390)
Interest expense	(2,012)	(1,690)
Net income	$ (631)	$ 445