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Real Estate and Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2012
Real Estate and Discontinued Operations [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
The following presents the operating results for the properties sold and properties classified as held for sale for the applicable periods:
 
Three months ended September 30,
 
Nine months ended September 30,
 
2012
 
2011
 
2012
 
2011
Total gross revenues
$
998

 
$
4,928

 
$
6,993

 
$
17,389

Pre-tax income (loss), including gains on sale
$
5,570

 
$
(14,456
)
 
$
2,643

 
$
(67,773
)