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Commitments and Contingencies (Details)
$ in Thousands
Feb. 03, 2020
USD ($)
a
Dec. 10, 2019
USD ($)
a
May 31, 2020
USD ($)
Obligations For Investments In Real Estate Assets      
Purchase and sale obligations      
Purchase obligations     $ 2,424
East Granby And Windsor Ct Site [Member]      
Purchase and sale obligations      
Purchase Option Term   1 year  
Area of land | a   280  
Option Period Of Extension Upon Payment Of Additional Fees   2 years  
East Granby And Windsor Ct Site [Member] | Minimum      
Purchase and sale obligations      
Purchase price   $ 6,000  
East Granby And Windsor Ct Site [Member] | Maximum      
Purchase and sale obligations      
Purchase price   $ 7,950  
Meadowood Land      
Purchase and sale obligations      
Purchase Option Term 12 months    
Area of land | a 277    
Sale price of land $ 5,400    
Agreement Term of Extension 6 months