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Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual) $ in Thousands	3 Months Ended			6 Months Ended
	Apr. 30, 2023 USD ($)	Jan. 31, 2023 USD ($)	Apr. 30, 2022 USD ($)	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Oct. 31, 2022 USD ($)
Number of Communities Taken Control of from Joint Ventures		4
Number of Owned Active Communities Transferred to the Joint Venture		1
Number of Joint Ventures from which Remaining Equity Interest Purchased		1
Payments to Acquire Remaining Equity Interest in Unconsolidated Joint Venture		$ 41,100
Equity Method Investment, Other than Temporary Impairment				$ 0	$ 0
Revenues	$ 703,661		$ 702,537	1,219,027	1,267,850
Homebuilding [Member]
Revenues	689,458		686,831	1,192,660	1,238,835
Homebuilding [Member] | Management Fees [Member]
Revenues	$ 3,100		$ 3,200	$ 6,700	$ 5,600
Homebuilding and Land Development Joint Ventures [Member]
Equity Method Investment, Number of Unconsolidated Joint Ventures	7		7	10	10
Homebuilding and Land Development Joint Ventures [Member] | Minimum [Member]
Equity Method Investment, Ownership Percentage	20.00%			20.00%
Homebuilding and Land Development Joint Ventures [Member] | Maximum [Member]
Equity Method Investment, Ownership Percentage	50.00%			50.00%
Corporate Joint Venture [Member]
Advances to Affiliate	$ 1,600			$ 1,600		$ 1,600
Revenues	$ 81,530		$ 87,396	$ 161,131	$ 157,100

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Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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