Discontinued Operations (Schedule Of Discontinued Operating Results) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues, net	$ 39,832	$ 82,083	$ 83,414
Depreciation and amortization	(7,430)	(25,941)	(25,805)
Operating expenses	(7,588)	(15,010)	(14,874)
Real estate taxes, net	(5,632)	(11,683)	(11,750)
Impairment loss	(5,454)	(20,300)	0
General and administrative	(2,198)	(60)	(56)
Interest, net	(651)	(2,019)	(3,403)
Interest and other income, net	0	0	2
Gain on acquisition (see Note 23)	0	4,559	0
Provision for income taxes	(268)	(311)	(323)
Operating income from discontinued operations	10,611	11,318	27,205
Gain on sale of property from discontinued operations	68,589	10,273	1,093
Income from Discontinued Operations	$ 79,200	$ 21,591	$ 28,298