XML 66 R53.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments And Contingencies (Narrative) (Details)
$ in Millions
Aug. 01, 2018
USD ($)
a
ft²
property
contract
Jun. 30, 2018
ft²
property
Other Commitments [Line Items]    
Number of properties   195
Area of real estate property | ft²   12,500,000
Non-binding Letter Of Intent [Member]    
Other Commitments [Line Items]    
Number of non-binding letters of intent | contract 3  
Number of properties 3  
Area of real estate property | ft² 75,000  
Total aggregate initial investment | $ $ 22.7  
Outstanding Contract With Third Party [Member]    
Other Commitments [Line Items]    
Outstanding contracts with a third-party | contract 5  
Industrial Building [Member] | Outstanding Contract With Third Party [Member]    
Other Commitments [Line Items]    
Number of properties 5  
Area of real estate property | ft² 672,000  
Improved Land Parcels [Member] | Non-binding Letter Of Intent [Member]    
Other Commitments [Line Items]    
Number of properties 1  
Area of real estate property | a 2.3  
Improved Land Parcels [Member] | Outstanding Contract With Third Party [Member]    
Other Commitments [Line Items]    
Number of properties 1  
Area of real estate property | a 1.3  
Improved Land Parcels [Member] | San Francisco Bay Area [Member] | Outstanding Contract With Third Party [Member]    
Other Commitments [Line Items]    
Number of properties 1  
Area of real estate property | a 1.3