Note 4 - Reduction of Inventory to Fair Value (Details Textual) - Home Building [Member] $ in Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2024 USD ($) Item	Apr. 30, 2023 USD ($) Item	Apr. 30, 2024 USD ($) Item	Apr. 30, 2023 USD ($) Item	Oct. 31, 2023 USD ($)
Real Estate [Line Items]
Number of Communities Evaluated for Impairment \| Item			423	359
Impairment of Real Estate			$ 0	$ 0
Land Option Write Offs	$ 200	$ 100	$ 500	$ 600
Number of Walk Away Lots \| Item	342	215	1,270	2,397
Model Sale Leaseback Financing Arrangements [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	$ 31,200		$ 31,200		$ 41,700
Liabilities from Inventory Real Estate Not Owned	30,200		30,200		42,000
Land Banking Arrangement [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	112,000		112,000		183,100
Liabilities from Inventory Real Estate Not Owned	$ 56,400		$ 56,400		$ 82,300

Inventory not owned required to be recorded as a financing in accordance with current accounting standards.

No definition available.

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Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The charge against earnings in the period to write off costs associated with land options that were terminated.

+ References

No definition available.

+ Details

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Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Includes the liabilities for the inventory for which we do not have title related to the remaining exercise price of land and lot option purchases contracts; variable interest entities when we are the primary beneficiary; and model sale leaseback financing arrangements.

+ References

No definition available.

+ Details

Name:	hov_LiabilitiesFromInventoryRealEstateNotOwned
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of communities evaluated for impairment during the period

+ References

No definition available.

+ Details

Name:	hov_NumberOfCommunitiesEvaluatedForImpairment
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of lots under option that the Company walked-away from during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfWalkAwayLots
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482856/976-310-50-1

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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Namespace Prefix:
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