Real Estate Activities (Tables)

6 Months Ended

Jun. 30, 2015

Investments in real estate as of June 30, 2015 and December 31, 2014 were comprised of the following:



(in thousands of dollars)	As of June 30, 2015			As of December 31, 2014
Buildings, improvements and construction in progress	$	3,127,504		$	2,843,326
Land, including land held for development	558,833			442,078
Total investments in real estate	3,686,337			3,285,404
Accumulated depreciation	(1,083,207		)	(1,061,051		)
Net investments in real estate	$	2,603,130		$	2,224,353

Real Estate Capitalized Costs [Table Text Block]

The following table summarizes our capitalized salaries, commissions, benefits, real estate taxes and interest for the three and six months ended June 30, 2015 and 2014:



	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands of dollars)	2015		2014		2015		2014
Development/Redevelopment Activities:
Salaries and benefits	$	219	$	431	$	373	$	825
Real estate taxes	276		—		276		—
Interest	770		191		804		294
Leasing Activities:
Salaries, commissions and benefits	1,573		1,409		3,228		2,829