Background (Tables)

3 Months Ended

Mar. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Square Feet by Property [Table Text Block]

Our asset base consisted of the following, as of March 31, 2015:

	Square Feet
Operating properties	16,620,690
Development properties (includes unconsolidated joint ventures)	1,763,531
Redevelopment properties	143,777
Total operating and current value-creation projects	18,527,998
Near-term value-creation projects (CIP)	2,164,780
Future value-creation projects	9,961,508
	12,126,288
Total	30,654,286