Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual) $ in Thousands	3 Months Ended						6 Months Ended	12 Months Ended
	Oct. 31, 2025 USD ($) Item	Jan. 31, 2025 USD ($) Item	Jul. 31, 2024 USD ($) Item	Apr. 30, 2024 USD ($) Item	Jul. 31, 2023 Item	Apr. 30, 2023 Item	Oct. 31, 2025 USD ($) Item	Oct. 31, 2025 USD ($) Item	Oct. 31, 2024 USD ($) Item	Oct. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of Owned Communities Transferred to the Joint Venture | Item		4		11			5
Number of Owned Active Communities Transferred to the Joint Venture | Item				3
Joint Ventures Consolidated | Item	1		1		1	1
Proceeds from Transfer of Land to Joint Venture				$ 53,800
Gain on Consolidation of Joint Venture	$ 18,900		$ 45,700					$ 18,856	$ 45,653	$ 19,102
Revenues								2,978,581	3,004,918	2,756,016
Home Building [Member] | Management Fees [Member]
Schedule of Equity Method Investments [Line Items]
Revenues								$ 25,300	$ 19,500	16,300
Homebuilding and Land Development Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment Number Of Unconsolidated Joint Ventures | Item								6	6
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%	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%	50.00%	50.00%
Corporate Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Advances to Affiliate	$ 2,600						$ 2,600	$ 2,600	$ 2,400
Revenues								$ 629,889	$ 552,727	$ 783,298
New Unconsolidated Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Gain on contribution of asset to joint venture		$ 22,700
Number of New Joint Ventures		1
Proceeds from Transfer of Land to Joint Venture		$ 20,800					$ 17,900
New Unconsolidated Joint Venture [Member] | Notes Receivable [Member]
Schedule of Equity Method Investments [Line Items]
Proceeds from Transfer of Land to Joint Venture		$ 50,000
Active Selling Communities [Member]
Schedule of Equity Method Investments [Line Items]
Joint Ventures Consolidated | Item	2