Note 12 - Senior Notes and Credit Facilities (Details Textual) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 30, 2025	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024	Oct. 31, 2024
Debt Instrument [Line Items]
Repayments of Senior Debt				$ 26,588	$ 145,000
Gain (Loss) on Extinguishment of Debt		$ 0	$ 0	399	$ 1,371
Stand-alone Cash Collateralized Letter of Credit Agreements and Facilities [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		6,200		6,200		$ 2,600
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] \| Cash and Cash Equivalents Collateral [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral Amount		156,000		156,000
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] \| Restricted Cash [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral Amount		6,300		6,300
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] \| Real Property [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral Amount		738,600		738,600
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] \| Equity Interests in Joint Venture Holding Companies Collateral [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral Amount		216,400		$ 216,400
Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Jun. 30, 2026
Line of Credit Facility, Maximum Borrowing Capacity		$ 125,000		$ 125,000
Line of Credit Facility, Unused Commitment Fee Rate		1.00%		1.00%
Senior Secured Revolving Credit Facility [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Variable Rate Floor		3.00%		3.00%
Line of Credit Facility, Applicable Margin		4.50%		4.50%
Senior Secured Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Applicable Margin		3.50%		3.50%
Senior Secured Revolving Credit Facility [Member] \| Alternate Base Rate Member
Debt Instrument [Line Items]
Line of Credit Facility, Variable Rate Floor		4.00%		4.00%
Line of Credit Facility, Applicable Margin		3.50%		3.50%
Senior Secured 1.75 Lien Term Loan Credit Facility Due January 31, 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Jan. 31, 2028
Debt instrument, interest rate, stated percentage		10.00%		10.00%
Senior Secured 1.75 Lien Term Loan Credit Facility Due January 31, 2028 [Member] \| After November 15, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				100.00%
The 13.5% Senior Notes Due 2026 [Member] \| Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Feb. 01, 2026		Feb. 01, 2026
Debt instrument, interest rate, stated percentage		13.50%		13.50%		13.50%
Debt Instrument, Redeemed, Face Amount	$ 26,600
Repayments of Senior Debt	$ 27,500
Gain (Loss) on Extinguishment of Debt				$ 400
The 5.0% Senior Notes due 2040 [Member] \| Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Feb. 01, 2040		Feb. 01, 2040
Debt instrument, interest rate, stated percentage		5.00%		5.00%		5.00%
The 5.0% Senior Notes due 2040 [Member] \| Unsecured Senior Notes [Member] \| Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				100.00%
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Jan. 31, 2028		Jan. 31, 2028
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] \| Senior Secured Term Loan [Member] \| Exchange Agreements [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		10.00%		10.00%
The 8.0% Senior Secured 1.125 Lien Notes Due 2028 [Member] \| Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Sep. 30, 2028		Sep. 30, 2028
Debt instrument, interest rate, stated percentage		8.00%		8.00%		8.00%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Term Loan [Member] \| Exchange Agreements [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		11.75%		11.75%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Sep. 30, 2029		Sep. 30, 2029
Debt instrument, interest rate, stated percentage		11.75%		11.75%		11.75%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Notes [Member] \| Principal Commencing September 30, 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				102.9375%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Notes [Member] \| Redemption With Net Cash Proceeds From Certain Equity Offerings Member
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				111.75%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Notes [Member] \| Redeemable Prior to March 30, 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				100.00%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed				35.00%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Notes [Member] \| Principal Commencing March 30, 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				105.875%
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] \| Senior Secured Notes [Member] \| Principal Commencing September 30, 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				100.00%
The 8.0% Senior Secured 1.125 Lien Notes due September 30, 2028 [Member] \| Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Sep. 30, 2028		Sep. 30, 2028
Debt instrument, interest rate, stated percentage		8.00%		8.00%		8.00%
The 8.0% Senior Secured 1.125 Lien Notes due September 30, 2028 [Member] \| Senior Secured Notes [Member] \| Redeemable Prior to September 30, 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				100.00%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed				35.00%
The 8.0% Senior Secured 1.125 Lien Notes due September 30, 2028 [Member] \| Senior Secured Notes [Member] \| Principal Commencing September 30, 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				104.00%
The 8.0% Senior Secured 1.125 Lien Notes due September 30, 2028 [Member] \| Senior Secured Notes [Member] \| Principal Commencing September 30, 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				102.00%
The 8.0% Senior Secured 1.125 Lien Notes due September 30, 2028 [Member] \| Senior Secured Notes [Member] \| Principal Commencing September 30, 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				100.00%
The 8.0% Senior Secured 1.125 Lien Notes due September 30, 2028 [Member] \| Senior Secured Notes [Member] \| Redemption With Net Cash Proceeds From Certain Equity Offerings Member
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage				108.00%

HOVNANIAN ENTERPRISES INC 10-Q