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Other Income - Net (Details Textuals 1) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 06, 2018
Apr. 30, 2018
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Loss Contingencies [Line Items]            
Income from Ancillary Businesses     $ 25,692 $ 18,934 $ 24,119  
Land Sales     134,327 284,928 85,268  
Land sales earnings, net     6,331 8,621 13,327  
Rental Property Joint Venture Metro Washington, D.C. Two [Member]            
Loss Contingencies [Line Items]            
Land sales earnings, net   $ 1,000        
Home Building Joint Venture Metro New York Four, Home Building Joint Venture Metro New York Five, and Rental Property Joint Venture Princeton Junction [Member]            
Loss Contingencies [Line Items]            
Land Sales     $ 80,300 257,800    
Rental Property Joint Ventures Metro Washington, D.C. [Member]            
Loss Contingencies [Line Items]            
Land Sales         $ 38,100  
Retail Land Sales, Installment Method, Gross Profit, Deferred, Percentage         50.00%  
Retail Land Sales, Installment Method, Gross Profit, Deferred       $ 2,996    
Home Building Joint Venture Metro New York Three [Member]            
Loss Contingencies [Line Items]            
Land Sales           $ 78,500
Equity Method Investment, Ownership Percentage         25.00%  
Retail Land Sales, Installment Method, Gross Profit, Deferred         $ 2,999 $ 9,300
Minimum [Member] | Rental Property Joint Venture Atlanta, Georgia [Member]            
Loss Contingencies [Line Items]            
Equity Method Investment, Ownership Percentage     25.00%      
Minimum [Member] | Home Building Joint Venture Metro New York Four [Member]            
Loss Contingencies [Line Items]            
Equity Method Investment, Ownership Percentage     20.00% 20.00%    
Maximum [Member] | Home Building Joint Venture Metro New York Five and Rental Property Joint Venture Princeton Junction [Member]            
Loss Contingencies [Line Items]            
Equity Method Investment, Ownership Percentage       25.00%    
Maximum [Member] | Rental Property Joint Ventures Belmont MA and 2 Washington D.C. [Member]            
Loss Contingencies [Line Items]            
Equity Method Investment, Ownership Percentage     50.00%      
Maximum [Member] | Home Building Joint Venture Metro New York Four [Member]            
Loss Contingencies [Line Items]            
Equity Method Investment, Ownership Percentage     25.00%      
Apartment living [Member]            
Loss Contingencies [Line Items]            
Income from Ancillary Businesses     $ 7,500 $ 6,200 $ 6,100  
Golf Club Operations [Member] | Subsequent Event [Member]            
Loss Contingencies [Line Items]            
Proceeds from Sale of Productive Assets $ 18,500          
Gain (Loss) on Disposition of Assets $ 12,500