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Real Estate and Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Real Estate Properties [Line Items]        
Debt satisfaction gains (charges), net $ (2) $ (10) $ (1,651) $ 9
Total gross revenues 1,731 4,733 3,873 11,161
Pre-tax income (loss), including gains on sale 1,392 (27,619) 759 (51,198)
Discontinued Operation Asset Impairment Charges 1,781 28,751 4,342 58,318
Impairment of Real Estate     1,348 30,451
Five Properties [Member]
       
Real Estate Properties [Line Items]        
Real Estate Number Of Properties Sold     5  
Real Estate Land Area (acres)     6.9  
Aggregate Gross Disposition Price     74,815  
Aggregate Gain on Sales of Properties     2,671  
Transfer of Real Estate     7,119  
Debt satisfaction gains (charges), net     1,728  
Eleven Properties [Member]
       
Real Estate Properties [Line Items]        
Real Estate Number Of Properties Sold       11
Aggregate Gross Disposition Price       121,878
Aggregate Gain on Sales of Properties       5,069
Debt satisfaction gains (charges), net       603
Nonrecourse Mortgage Debt       28,648
Seller Financing       $ 3,003