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Real Estate Activities (Tables)
9 Months Ended
Sep. 30, 2014
Real Estate [Abstract]  
Investments in Real Estate
Investments in real estate as of September 30, 2014 and December 31, 2013 were comprised of the following:
 
(in thousands of dollars)
As of September 30,
2014
 
As of December 31,
2013
Buildings, improvements and construction in progress
$
2,808,363

 
$
3,049,758

Land, including land held for development
447,102

 
478,110

Total investments in real estate
3,255,465

 
3,527,868

Accumulated depreciation
(1,028,846
)
 
(1,012,746
)
Net investments in real estate
$
2,226,619

 
$
2,515,122

Summary of Capitalized Salaries, Commissions and Benefits, Real Estate Taxes and Interest
The following table summarizes our capitalized salaries, commissions and benefits, real estate taxes and interest for the three and nine months ended September 30, 2014 and 2013:
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
(in thousands of dollars)
2014
 
2013
 
2014
 
2013
Development/Redevelopment Activities:
 
 
 
 
 
 
 
Salaries and benefits
$
201

 
$
272

 
$
1,026

 
$
585

Real estate taxes
4

 
4

 
4

 
4

Interest
201

 
331

 
494

 
620

Leasing Activities:
 
 
 
 
 
 
 
Salaries, commissions and benefits
1,394

 
1,180

 
4,223

 
3,902

Summary of Revenue and Expense Information for Discontinued Operations
following table summarizes revenue and expense information for the three and nine months ended September 30, 2013 for these discontinued operations (there were no properties classified in discontinued operations in the three or nine months ended September 30, 2014):
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
(in thousands of dollars)
 
2013
 
 
2013
Real estate revenue
 
$
2,491

 
 
$
9,379

Expenses:
 
 
 
 
 
Operating expenses
 
(1,109
)
 
 
(3,989
)
Depreciation and amortization
 
(345
)
 
 
(1,074
)
Interest expense
 
(494
)
 
 
(1,753
)
Total expenses
 
(1,948
)
 
 
(6,816
)
Operating results from discontinued operations
 
543

 
 
2,563

Impairment of assets of discontinued operations
 
(23,662
)
 
 
(23,662
)
Gains on sales of discontinued operations
 
45,097

 
 
78,351

Income from discontinued operations
 
$
21,978

 
 
$
57,252