Note 11 - Mortgages (Details Textual) - USD ($) $ in Millions	9 Months Ended
Jul. 31, 2024	Oct. 31, 2023
JP Morgan Chase Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50.0
Warehouse Agreement Borrowings	$ 42.7	$ 31.4
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	$ 75.0
Warehouse Agreement Borrowings	65.4	41.1
Line of Credit Facility, Maximum Borrowing Capacity Reversion After Initial Period	$ 50.0
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	$ 26.3
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%
Flagstar Bank, N.A. [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50.0
Flagstar Bank, N.A. [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt Instrument Variable Rate Basis Floor Rate	1.00%
Flagstar Bank, N.A. [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.82%
Flagstar Bank, N.A. [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	5.00%
Nonrecourse Mortgages Secured By Inventory [Member] \| Mortgages [Member] \| Home Building [Member]
Debt Instrument [Line Items]
Secured Debt	$ 115.4	91.5
Debt Instrument, Collateral Amount	$ 336.7	$ 331.6
Debt, Weighted Average Interest Rate	9.10%	8.50%

Debt instrument variable rate basis floor rat

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Maximum borrowing capacity under the credit facility after the initial period without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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