Note 11 - Mortgages (Details Textual) - USD ($) $ in Millions	6 Months Ended
Apr. 30, 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	$ 36.8	$ 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	2.125%
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	2.375%
Customers Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50.0
Warehouse Agreement Borrowings	$ 38.6	41.1
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%
Flagstar Bank, N.A. [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50.0
Warehouse Agreement Borrowings	$ 6.3
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	$ 85.6	91.5
Debt Instrument, Collateral Amount	$ 261.7	$ 331.6
Debt, Weighted Average Interest Rate	8.80%	8.50%

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Weighted average interest rate of debt outstanding.

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Maximum borrowing capacity under the credit facility 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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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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