Quarterly report pursuant to Section 13 or 15(d)

Properties, Net (Details)

v3.8.0.1
Properties, Net (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Investments in real estate    
Operating properties, net $ 2,690,712 $ 2,671,831
Operating Properties    
Investments in real estate    
Less: accumulated depreciation (759,262) (706,385)
Operating properties, net 2,690,712 2,671,831
Operating Properties | Land    
Investments in real estate    
Gross 440,771 433,311
Operating Properties | Buildings and improvements    
Investments in real estate    
Gross $ 3,009,203 $ 2,944,905