Quarterly report pursuant to Section 13 or 15(d)

Properties, net (Details 4)

v2.4.0.8
Properties, net (Details 4) (USD $)
9 Months Ended 3 Months Ended
Sep. 30, 2014
Operating properties, net
buillding
sqft
Sep. 30, 2014
Operating properties, net
4969 and 4979 Mercantile Rd
buillding
sqft
Sep. 30, 2014
Operating properties, net
9930 and 9940 Franklin Square
buillding
sqft
Sep. 30, 2014
Operating properties, net
5020, 5022, 5024 and 5026 Campbell Boulevard
buillding
sqft
Sep. 30, 2014
Non-operating Properties
Investments in real estate          
Number of Properties Disposed 8 2 2 4  
Total Rentable Square Feet 302,958 96,721 71,992 134,245  
Transaction Value of Operating Property Dispositions $ 28,835,000 $ 5,960,000 $ 10,475,000 $ 12,400,000  
Gain on Sale 5,095,000 2,126,000 2,303,000 666,000 5,500,000
Transaction Value of Non-operating Property Dispositions         $ 28,300,000