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Discontinued Operations (Tables)
6 Months Ended
Jun. 30, 2012
Notes To Financial Statements [Abstract]  
Summary of Discontinued Operations
 
Three months ended June 30,
 
Six months ended June 30,
 
2012
 
2011
 
2012
 
2011
Revenues
 
 
 
 
 
 
 
Rental revenues
$
1,069

 
$
3,376

 
$
2,651

 
$
6,740

Other revenues
123

 
411

 
304

 
825

Total revenues
1,192

 
3,787

 
2,955

 
7,565

Expenses
 

 
 

 
 

 
 

Property operating expenses
623

 
2,070

 
1,637

 
4,119

Depreciation and amortization
373

 
873

 
879

 
1,754

Interest expense
133

 
203

 
285

 
437

Total expense
1,129

 
3,146

 
2,801

 
6,310

Income from discontinued operations before gain on sale
63

 
641

 
154

 
1,255

Asset impairment on discontinued operations

 

 
(71
)
 

Net loss on insurance and other settlement proceeds on discontinued operations
(2
)
 

 
(56
)
 
(7
)
Gain on sale of discontinued operations
12,953

 

 
22,453

 

Income from discontinued operations
$
13,014

 
$
641

 
$
22,480

 
$
1,248