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Discountinued Operation (Tables)
12 Months Ended
Dec. 31, 2012
Discontinued Operations  
Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures
          
  Years Ended December 31,
  2012 2011 2010
Revenues $ 5,438 $ 10,897 $ 14,923
Expenses   (4,516)   (9,531)   (10,026)
          
Gain on deconsolidation of a subsidiary  -   1,008   -
(Loss) gain on sale of real estate  (5,019)   (3,391)   460
Impairment charges  (12,495)   (11,838)   (14,241)
Loss from discontinued operations$ (16,592) $ (12,855) $ (8,884)