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Note 1 - Basis of Presentation (Details Textual) - Consolidated Joint Venture [Member] | Oct. 31, 2021
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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: |