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Organization of the Parent Company and The Operating Partnership (Tables)
3 Months Ended
Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of Core Portfolio of Operating Properties and Excludes Development, Redevelopment and Held for Sale The Company’s core portfolio of operating properties excludes development properties, redevelopment properties, and properties held for sale (the “Core Properties”). The Properties were comprised of the following as of March 31, 2020:
 
Number of Properties
 
Rentable Square Feet
Office properties
85

 
15,319,340

Mixed-use properties
4

 
659,625

Core Properties
89

 
15,978,965

Development property
1

 
204,108

Redevelopment properties
4

 
397,237

The Properties
94

 
16,580,310