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Commitments and Contingencies (Details Textual)
$ in Thousands
Apr. 30, 2017
USD ($)
home_sites
Oct. 31, 2016
USD ($)
Long-term Purchase Commitment [Line Items]    
Expected Lot Purchase | home_sites 3,600  
Purchase Obligation $ 1,509,099 $ 1,623,389
Land for Apartment Development Purchase Commitment [Member]    
Long-term Purchase Commitment [Line Items]    
Purchase Obligation 104,000  
Deposits against Aggregate Purchase Commitments $ 4,700