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Note 4 - Reduction of Inventory to Fair Value (Details Textual) - Homebuilding [Member]
$ in Thousands
 3 Months Ended
Jan. 31, 2023
USD ($)
Jan. 31, 2022
USD ($)
Oct. 31, 2022
USD ($)
Number of Communities Evaluated for Impairment 361 382  
Impairment of Real Estate $ 0 $ 0  
Land Option Write Offs $ 500 $ 100  
Number of Walk Away Lots 2,182 420  
Number of Communities Mothballed During the Period 0    
Number of Communities Mothballed 2   2
Inventory Real Estate Mothballed Communities $ 1,400   $ 1,400
Inventory Real Estate Mothballed Communities Accumulated Impairment Charges 20,300   20,300
Liabilities from Inventory Real Estate Not Owned 209,579   202,492
Model Sale Leaseback Financing Arrangements [Member]      
Inventory Real Estate, Other Options 47,400   48,500
Liabilities from Inventory Real Estate Not Owned 49,300   51,200
Land Banking Arrangement [Member]      
Inventory Real Estate, Other Options 267,600   260,100
Liabilities from Inventory Real Estate Not Owned $ 160,300   $ 151,300