Quarterly report pursuant to Section 13 or 15(d)

Properties, Net (Details 6)

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Properties, Net (Details 6)
ft² in Thousands, $ in Millions
6 Months Ended
Jun. 30, 2016
USD ($)
ft²
Property
Construction and Redevelopment Activities  
Sale price of land | $ $ 5.7
Office properties under, or contractually committed for, construction or approved for redevelopment  
Construction and Redevelopment Activities  
Number of real estate properties 12
Square footage of real estate properties (in square feet) | ft² 1,500
Newly constructed properties placed in service  
Construction and Redevelopment Activities  
Square feet of properties placed in service | ft² 298
Number of real estate properties 2
Newly redeveloped properties placed in service  
Construction and Redevelopment Activities  
Square feet of properties placed in service | ft² 55
Number of real estate properties 2
Properties under construction or contractually committed for construction  
Construction and Redevelopment Activities  
Number of real estate properties 9
Square footage of real estate properties (in square feet) | ft² 1,400
Properties completed Held-for-future lease | Office properties under, or contractually committed for, construction or approved for redevelopment  
Construction and Redevelopment Activities  
Number of real estate properties 2
Properties under or approved for redevelopment  
Construction and Redevelopment Activities  
Number of real estate properties 3
Square footage of real estate properties (in square feet) | ft² 104