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Note 1 - Basis of Presentation (Details Textual) - Consolidated Joint Venture [Member]	Oct. 31, 2021
Noncontrolling Interest, Ownership Percentage by Parent	99.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	1.00%
Subsidiaries [Member]
Noncontrolling Interest, Ownership Percentage by Parent	80.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.00%

X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_OwnershipAxis=hov_ConsolidatedJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: