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Loans Payable, Senior Notes and Mortgage Company Loan Facility Loans Payable (Details) - USD ($)
$ in Thousands
Jul. 31, 2019
Oct. 31, 2018
Debt Instrument [Line Items]    
Other Loans Payable $ 291,884 $ 188,115
Loans payable 1,089,137 686,801
Senior unsecured term loan [Member]    
Debt Instrument [Line Items]    
Unsecured Long-term Debt, Noncurrent 800,000 500,000
Deferred Finance Costs, Net $ (2,747) $ (1,314)