Annual report pursuant to Section 13 and 15(d)

Organization (Details)

v3.3.1.900
Organization (Details)
ft² in Thousands
Dec. 31, 2015
ft²
a
Property
MW
Properties under redevelopment [Member]  
Investments in real estate  
Number of real estate properties 4
Square footage of real estate properties (in square feet) | ft² 156
Operating office properties [Member]  
Investments in real estate  
Number of real estate properties 177
Square footage of real estate properties (in square feet) | ft² 18,100
Operating office properties [Member] | Single-tenant data centers [Member]  
Investments in real estate  
Number of real estate properties 9
Office properties under, or contractually committed for, construction or approved for redevelopment [Member]  
Investments in real estate  
Number of real estate properties 13
Square footage of real estate properties (in square feet) | ft² 1,500
Partially operational properties [Member] | Properties under redevelopment [Member]  
Investments in real estate  
Number of real estate properties 1
Land controlled for future development [Member]  
Investments in real estate  
Square footage of real estate properties (in square feet) | a 1,439
Developable square footage of real estate properties (in square feet) | ft² 17,600
Operating Wholesale Data Center [Member]  
Investments in real estate  
Critical load (in MW's) | MW 19.25