XML 62 R48.htm IDEA: XBRL DOCUMENT v3.10.0.1
Investment in Real Estate - Properties Acquired (Details) - 6605 Eleanor Avenue and 1034 Seward Street
$ in Millions
Jun. 07, 2018
USD ($)
ft²
Jun. 30, 2018
USD ($)
Real Estate [Line Items]    
Purchase price of assets acquired $ 30.0  
Square feet of assets acquired | ft² 41,496  
Investment in real estate   $ 30.2