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Termination of Purchase and Sale Agreement (Details) - USD ($)
1 Months Ended 12 Months Ended
Jun. 17, 2020
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Jan. 14, 2020
Escrow deposit amount   $ 1,814,000 $ 1,249,000 $ 2,135,000  
Amount of liquidated damages $ 15,000,000        
Expense incurred   0 4,606,000 $ 1,416,000  
Legal costs   $ 2,282,000 $ 957,000    
Purchase and Sale Agreement [Member] | Six Apartment Properties [Member]          
Percentage of ownership interest         100.00%
Purchase and Sale Agreement [Member] | Six Apartment Properties [Member] | Letter of Credit [Member]          
Escrow deposit amount         $ 15,000,000