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Real Estate Activities (Tables)

3 Months Ended

Mar. 31, 2015

Investments in real estate as of March 31, 2015 and December 31, 2014 were comprised of the following:



(in thousands of dollars)	As of March 31, 2015			As of December 31, 2014
Buildings, improvements and construction in progress	$	3,184,555		$	2,843,326
Land, including land held for development	559,230			442,078
Total investments in real estate	3,743,785			3,285,404
Accumulated depreciation	(1,082,959		)	(1,061,051		)
Net investments in real estate	$	2,660,826		$	2,224,353

The following table summarizes our capitalized salaries, commissions, benefits and interest for the three months ended March 31, 2015 and 2014:



	Three Months Ended March 31,
(in thousands of dollars)	2015		2014
Development/Redevelopment Activities:
Salaries and benefits	$	154	$	394
Interest	35		103
Leasing Activities:
Salaries, commissions and benefits	1,655		1,420