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Commitments and Contingencies (Details Textual)
$ in Thousands
Oct. 31, 2019
USD ($)
home_sites
Oct. 31, 2018
USD ($)
Long-term Purchase Commitment [Line Items]    
Purchase Obligation $ 2,360,726 $ 2,532,895
Land for Apartment Development Purchase Commitment [Member]    
Long-term Purchase Commitment [Line Items]    
Purchase Obligation 280,200  
Deposit Assets $ 13,700  
Commitment To Acquire Home Sites [Member] | Land Development Joint Ventures [Member]    
Long-term Purchase Commitment [Line Items]    
Unrecorded Unconditional Purchase Obligation, Maximum Quantity | home_sites 2,500