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Accounting for the Impairment or Disposal of Long-Lived Assets (Tables)
9 Months Ended
Sep. 30, 2011
Results of Operations for the Properties Held for Sale and Disposed
 
For the Three Months Ended
 
For the Nine Months Ended
 
September 30, 2011
 
September 30, 2010
 
September 30, 2011
 
September 30, 2010
Revenues
$
1,941

 
$
14,206

 
$
22,652

 
$
43,128

Operating expenses
(467
)
 
(4,953
)
 
(8,471
)
 
(15,679
)
Interest expense
(338
)
 
(2,564
)
 
(3,544
)
 
(8,868
)
Depreciation and amortization
(288
)
 
(3,251
)
 
(4,150
)
 
(11,128
)
Income before property dispositions
$
848

 
$
3,438

 
$
6,487

 
$
7,453