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Note 11 - Mortgages (Details Textual) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2025	Oct. 31, 2024
JP Morgan Chase Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50.0
Warehouse Agreement Borrowings	$ 6.4	$ 7.3
JP Morgan Chase Bank [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
JP Morgan Chase Bank [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Customers Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 100.0
Warehouse Agreement Borrowings	$ 41.0	78.6
Customers Bank [Member] | Bloomberg Short-term Bank Yield Index ("BSBY") rate or SOFR | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.125%
Customers Bank [Member] | Bloomberg Short-term Bank Yield Index ("BSBY") rate or SOFR | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	4.50%
Hinsdale Bank & Trust Company, N.A. [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50.0
Warehouse Agreement Borrowings	$ 47.2	45.5
Hinsdale Bank & Trust Company, N.A. [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Debt Instrument Variable Rate Basis Floor Rate	2.75%
Nonrecourse Mortgages Secured By Inventory [Member] | Mortgages [Member] | Home Building [Member]
Debt Instrument [Line Items]
Secured Debt	$ 78.1	90.7
Debt Instrument, Collateral Amount	$ 196.3	$ 249.7
Debt, Weighted Average Interest Rate	8.20%	8.70%

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