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Termination of Purchase and Sale Agreement (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 17, 2020
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Jan. 14, 2020
Escrow deposit amount   $ 1,482,000 $ 1,701,000 $ 1,482,000 $ 1,701,000  
Amount of liquidated damages $ 15,000,000          
Expense incurred   0 87,000 0 4,606,000  
Legal costs   $ 733,000 $ 601,000 $ 1,842,000 $ 601,000  
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