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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, 2025 USD ($) Item	Jan. 31, 2025 USD ($) Item	Apr. 30, 2024 USD ($) Item	Apr. 30, 2025 USD ($) Item	Apr. 30, 2024 USD ($) Item	Oct. 31, 2024 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of Owned Communities Transferred to the Joint Venture | Item		4	11
Number of Owned Active Communities Transferred to the Joint Venture | Item			3
Proceeds from Transfer of Land to Joint Venture		$ 20,800	$ 53,800
Gain on Contribution of Asset to Joint Venture		22,700		$ 22,700
Equity Method Investment, Other than Temporary Impairment				0	$ 0
Revenues	$ 686,471		708,380	1,360,094	1,302,576
Notes Receivable [Member]
Schedule of Equity Method Investments [Line Items]
Proceeds from Transfer of Land to Joint Venture		$ 50,000
Home Building [Member] | Management Fees [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	$ 6,200		$ 4,200	$ 11,400	$ 8,500
Homebuilding and Land Development Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment Number Of Unconsolidated Joint Ventures | Item	7		8	7	8
Homebuilding and Land Development Joint Ventures [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	20.00%			20.00%
Homebuilding and Land Development Joint Ventures [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%			50.00%
Corporate Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Advances to Affiliate	$ 3,600			$ 3,600		$ 2,400
Revenues	$ 146,139		$ 124,044	$ 280,052	$ 250,469
New Unconsolidated Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Number of New Joint Ventures		1

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