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Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2012
Notes To Financial Statements [Abstract]  
Summary of Discontinued Operations
 
Three months ended September 30,
 
Nine months ended September 30,
 
2012
 
2011
 
2012
 
2011
Revenues
 
 
 
 
 
 
 
Rental revenues
$
1,155

 
$
5,584

 
$
7,791

 
$
15,745

Other revenues
128

 
675

 
907

 
1,909

Total revenues
1,283

 
6,259

 
8,698

 
17,654

Expenses
 

 
 

 
 

 
 

Property operating expenses
1,176

 
3,632

 
5,150

 
9,697

Depreciation and amortization
416

 
1,516

 
2,414

 
4,227

Interest expense
142

 
306

 
634

 
953

Total expense
1,734

 
5,454

 
8,198

 
14,877

Income from discontinued operations before gain on sale
(451
)
 
805

 
500

 
2,777

Net gain (loss) on insurance and other settlement proceeds on discontinued operations
99

 

 
43

 
(7
)
Gain on sale of discontinued operations
16,092

 
4,927

 
38,474

 
4,927

Income from discontinued operations
$
15,740

 
$
5,732

 
$
39,017

 
$
7,697