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Note 6 - Warranty Costs (Details Textual) - USD ($) $ in Thousands | Jul. 31, 2024 | Jul. 31, 2023
--- | --- | ---
Product Warranty Liability [Line Items] |  |
General Liability Insurance Deductible | $ 30,000 | $ 25,000
Bodily Injury Insurance Deductible | 250 |
Bodily Injury Insurance Deductible for Action Over Claims | 500 |
Bodily Injury Insurance Limit | $ 30,000 | 5,000
CALIFORNIA |  |
Product Warranty Liability [Line Items] |  |
Bodily Injury Insurance Deductible |  | 500
All States Other Than California [Member] |  |
Product Warranty Liability [Line Items] |  |
Bodily Injury Insurance Deductible |  | $ 250

X
- Definition Annual deductible for bodily injury claims. + References No definition available. + Details
Name: | hov_BodilyInjuryInsuranceDeductible
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The annual deductible amount for bodily injury claims for action over claims. + References No definition available. + Details
Name: | hov_BodilyInjuryInsuranceDeductibleForActionOverClaims
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The limit on our deductible for bodily injury claims. + References No definition available. + Details
Name: | hov_BodilyInjuryInsuranceLimit
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Annual deductible under our general liability insurance per occurrence for construction defects and warranty claims on homes delivered. + References No definition available. + Details
Name: | hov_GeneralLiabilityInsuranceDeductible
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 No definition available. + Details
Name: | us-gaap_ProductWarrantyLiabilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=hov_AllStatesOtherThanCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |