Discontinued Operations (Summary Of Income From Discontinued Operations And Related Realized And Unrealized Gains) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Discontinued Operations
Total revenues		$ 945		$ 2,255
Operating and other expenses		(498)		(1,173)
Depreciation and amortization on discontinued operations		(302)		(409)
Interest expense (net of interest income)		(134)		(431)
Income from discontinued operations before gains (losses) and unrealized losses on disposition of rental property		11		242
Realized gains (losses) and unrealized losses on disposition of rental property, net		4,447		4,447
Total discontinued operations, net		$ 4,458		$ 4,689