<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>542</ContextCount>
  <ElementCount>458</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>156</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-document-and-entity-information</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-balance-sheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-balance-sheets-parentheticals</Role>
      <ShortName>Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-statements-of-operations</Role>
      <ShortName>Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Consolidated Statements of Operations (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-statements-of-operations-parentheticals</Role>
      <ShortName>Consolidated Statements of Operations (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Consolidated Statements of Changes in Equity (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-statements-of-changes-in-equity-deficit</Role>
      <ShortName>Consolidated Statements of Changes in Equity (Deficit)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Statement - Consolidated Statements of Changes in Equity (Deficit) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-statements-of-changes-in-equity-deficit-parentheticals</Role>
      <ShortName>Consolidated Statements of Changes in Equity (Deficit) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-consolidated-statements-of-cash-flows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Supplemental Disclosure of Non-cash Operating and Investing Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-supplemental-disclosure-of-noncash-operating-and-investing-activities-</Role>
      <ShortName>Supplemental Disclosure of Non-cash Operating and Investing Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Note 1 - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-1-basis-of-presentation</Role>
      <ShortName>Note 1 - Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Note 2 - Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-2-business</Role>
      <ShortName>Note 2 - Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Note 3 - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies</Role>
      <ShortName>Note 3 - Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Note 4 - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-4-leases</Role>
      <ShortName>Note 4 - Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Note 5 - Property, Plant and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-5-property-plant-and-equipment-</Role>
      <ShortName>Note 5 - Property, Plant and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note 6 - Restricted Cash and Customers' Deposits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-6-restricted-cash-and-customers-deposits</Role>
      <ShortName>Note 6 - Restricted Cash and Customers' Deposits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Note 7 - Mortgage Loans Held for Sale</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-7-mortgage-loans-held-for-sale</Role>
      <ShortName>Note 7 - Mortgage Loans Held for Sale</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Note 8 - Mortgages</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-8-mortgages</Role>
      <ShortName>Note 8 - Mortgages</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Note 9 - Senior Notes and Credit Facilities</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Note 10 - Operating and Reporting Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-10-operating-and-reporting-segments</Role>
      <ShortName>Note 10 - Operating and Reporting Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Note 11 - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes</Role>
      <ShortName>Note 11 - Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Note 12 - Reduction of Inventory to Fair Value</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value</Role>
      <ShortName>Note 12 - Reduction of Inventory to Fair Value</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Note 13 - Per Share Calculations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-13-per-share-calculations</Role>
      <ShortName>Note 13 - Per Share Calculations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Note 14 - Capital Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-14-capital-stock</Role>
      <ShortName>Note 14 - Capital Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Note 15 - Share-based Compensation Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-15-sharebased-compensation-plans</Role>
      <ShortName>Note 15 - Share-based Compensation Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Note 16 - Warranty Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-16-warranty-costs</Role>
      <ShortName>Note 16 - Warranty Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Note 17 - Transactions With Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-17-transactions-with-related-parties</Role>
      <ShortName>Note 17 - Transactions With Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Note 18 - Commitments and Contingent Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-18-commitments-and-contingent-liabilities</Role>
      <ShortName>Note 18 - Commitments and Contingent Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Note 19 - Variable Interest Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-19-variable-interest-entities</Role>
      <ShortName>Note 19 - Variable Interest Entities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-20-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures</Role>
      <ShortName>Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Note 21 - Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9954471 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-significant-accounting-policies-policies</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9954472 - Disclosure - Note 3 - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies-tables</Role>
      <ShortName>Note 3 - Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9954473 - Disclosure - Note 4 - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-4-leases-tables</Role>
      <ShortName>Note 4 - Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-4-leases</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9954474 - Disclosure - Note 5 - Property, Plant and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-5-property-plant-and-equipment-tables</Role>
      <ShortName>Note 5 - Property, Plant and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-5-property-plant-and-equipment-</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9954475 - Disclosure - Note 7 - Mortgage Loans Held for Sale (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-7-mortgage-loans-held-for-sale-tables</Role>
      <ShortName>Note 7 - Mortgage Loans Held for Sale (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-7-mortgage-loans-held-for-sale</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954476 - Disclosure - Note 9 - Senior Notes and Credit Facilities (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-tables</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954477 - Disclosure - Note 10 - Operating and Reporting Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-10-operating-and-reporting-segments-tables</Role>
      <ShortName>Note 10 - Operating and Reporting Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-10-operating-and-reporting-segments</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954478 - Disclosure - Note 11 - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes-tables</Role>
      <ShortName>Note 11 - Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-11-income-taxes</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954479 - Disclosure - Note 12 - Reduction of Inventory to Fair Value (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value-tables</Role>
      <ShortName>Note 12 - Reduction of Inventory to Fair Value (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954480 - Disclosure - Note 13 - Per Share Calculations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-13-per-share-calculations-tables</Role>
      <ShortName>Note 13 - Per Share Calculations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-13-per-share-calculations</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954481 - Disclosure - Note 15 - Share-based Compensation Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-15-sharebased-compensation-plans-tables</Role>
      <ShortName>Note 15 - Share-based Compensation Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-15-sharebased-compensation-plans</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954482 - Disclosure - Note 16 - Warranty Costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-16-warranty-costs-tables</Role>
      <ShortName>Note 16 - Warranty Costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-16-warranty-costs</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954483 - Disclosure - Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-20-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-tables</Role>
      <ShortName>Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-20-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954484 - Disclosure - Note 21 - Fair Value of Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-tables</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954485 - Disclosure - Supplemental Disclosure of Non-cash Operating and Investing Activities (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-supplemental-disclosure-of-noncash-operating-and-investing-activities-details-textual</Role>
      <ShortName>Supplemental Disclosure of Non-cash Operating and Investing Activities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-supplemental-disclosure-of-noncash-operating-and-investing-activities-</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954486 - Disclosure - Note 1 - Basis of Presentation (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note1BasisofPresentationDetailsTextual</Role>
      <ShortName>Note 1 - Basis of Presentation (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-1-basis-of-presentation</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954487 - Disclosure - Note 2 - Business (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-2-business-details-textual</Role>
      <ShortName>Note 2 - Business (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-2-business</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954488 - Disclosure - Note 3 - Summary of Significant Accounting Policies (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies-details-textual</Role>
      <ShortName>Note 3 - Summary of Significant Accounting Policies (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies-tables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954489 - Disclosure - Note 3 - Summary of Significant Accounting Policies - Interest Costs Incurred, Expensed and Capitalized (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-3-summary-of-significant-accounting-policies-interest-costs-incurred-expensed-and-capitalized-details</Role>
      <ShortName>Note 3 - Summary of Significant Accounting Policies - Interest Costs Incurred, Expensed and Capitalized (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954490 - Disclosure - Note 4 - Leases (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-4-leases-details-textual</Role>
      <ShortName>Note 4 - Leases (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-4-leases-tables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954491 - Disclosure - Note 4 - Leases - Lease Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-4-leases-lease-cost-details</Role>
      <ShortName>Note 4 - Leases - Lease Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954492 - Disclosure - Note 4 - Leases - Maturities of Operating Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-4-leases-maturities-of-operating-lease-liabilities-details</Role>
      <ShortName>Note 4 - Leases - Maturities of Operating Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954494 - Disclosure - Note 5 - Property, Plant and Equipment - Property, Plant and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-5-property-plant-and-equipment-property-plant-and-equipment-details</Role>
      <ShortName>Note 5 - Property, Plant and Equipment - Property, Plant and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954495 - Disclosure - Note 6 - Restricted Cash and Customers' Deposits (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-6-restricted-cash-and-customers-deposits-details-textual</Role>
      <ShortName>Note 6 - Restricted Cash and Customers' Deposits (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-6-restricted-cash-and-customers-deposits</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954496 - Disclosure - Note 7 - Mortgage Loans Held for Sale (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-7-mortgage-loans-held-for-sale-details-textual</Role>
      <ShortName>Note 7 - Mortgage Loans Held for Sale (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-7-mortgage-loans-held-for-sale-tables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954497 - Disclosure - Note 7 - Mortgage Loans Held for Sale - Loan Origination Reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-7-mortgage-loans-held-for-sale-loan-origination-reserves-details</Role>
      <ShortName>Note 7 - Mortgage Loans Held for Sale - Loan Origination Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9954498 - Disclosure - Note 8 - Mortgages (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-8-mortgages-details-textual</Role>
      <ShortName>Note 8 - Mortgages (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-8-mortgages</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9954499 - Disclosure - Note 9 - Senior Notes and Credit Facilities (Details Textual)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-details-textual</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-tables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9954500 - Disclosure - Note 9 - Senior Notes and Credit Facilities (Details 2 Textual)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/Note9SeniorNotesandCreditFacilitiesDetails2Textual</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities (Details 2 Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-tables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9954501 - Disclosure - Note 9 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-senior-notes-and-credit-facilities-balances-details</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9954502 - Disclosure - Note 9 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-senior-notes-and-credit-facilities-balances-details-parentheticals</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9954503 - Disclosure - Note 9 - Senior Notes and Credit Facilities - Future Maturities of Borrowings (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-9-senior-notes-and-credit-facilities-future-maturities-of-borrowings-details</Role>
      <ShortName>Note 9 - Senior Notes and Credit Facilities - Future Maturities of Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9954504 - Disclosure - Note 10 - Operating and Reporting Segments (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-10-operating-and-reporting-segments-details-textual</Role>
      <ShortName>Note 10 - Operating and Reporting Segments (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-10-operating-and-reporting-segments-tables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9954505 - Disclosure - Note 10 - Operating and Reporting Segments - Financial Information Relating to Segment Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-10-operating-and-reporting-segments-financial-information-relating-to-segment-operations-details</Role>
      <ShortName>Note 10 - Operating and Reporting Segments - Financial Information Relating to Segment Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9954506 - Disclosure - Note 11 - Income Taxes (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes-details-textual</Role>
      <ShortName>Note 11 - Income Taxes (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-11-income-taxes-tables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9954507 - Disclosure - Note 11 - Income Taxes - Income Taxes Payable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes-income-taxes-payable-details</Role>
      <ShortName>Note 11 - Income Taxes - Income Taxes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9954508 - Disclosure - Note 11 - Income Taxes - Provision for Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes-provision-for-income-taxes-details</Role>
      <ShortName>Note 11 - Income Taxes - Provision for Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9954509 - Disclosure - Note 11 - Income Taxes - Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes-deferred-tax-assets-and-liabilities-details</Role>
      <ShortName>Note 11 - Income Taxes - Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9954510 - Disclosure - Note 11 - Income Taxes - Effective Tax Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-11-income-taxes-effective-tax-rate-details</Role>
      <ShortName>Note 11 - Income Taxes - Effective Tax Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9954512 - Disclosure - Note 12 - Reduction of Inventory to Fair Value (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value-details-textual</Role>
      <ShortName>Note 12 - Reduction of Inventory to Fair Value (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value-tables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9954513 - Disclosure - Note 12 - Reduction of Inventory to Fair Value - Inventory Impairments by Homebuilding Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value-inventory-impairments-by-homebuilding-segment-details</Role>
      <ShortName>Note 12 - Reduction of Inventory to Fair Value - Inventory Impairments by Homebuilding Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9954514 - Disclosure - Note 12 - Reduction of Inventory to Fair Value - Write-offs and Lots Walked Away From (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-12-reduction-of-inventory-to-fair-value-writeoffs-and-lots-walked-away-from-details</Role>
      <ShortName>Note 12 - Reduction of Inventory to Fair Value - Write-offs and Lots Walked Away From (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9954515 - Disclosure - Note 13 - Per Share Calculations (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-13-per-share-calculations-details-textual</Role>
      <ShortName>Note 13 - Per Share Calculations (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-13-per-share-calculations-tables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9954516 - Disclosure - Note 13 - Per Share Calculations - Basic and Diluted Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-13-per-share-calculations-basic-and-diluted-earnings-per-share-details</Role>
      <ShortName>Note 13 - Per Share Calculations - Basic and Diluted Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9954517 - Disclosure - Note 14 - Capital Stock (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-14-capital-stock-details-textual</Role>
      <ShortName>Note 14 - Capital Stock (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-14-capital-stock</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9954518 - Disclosure - Note 15 - Share-based Compensation Plans (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-15-sharebased-compensation-plans-details-textual</Role>
      <ShortName>Note 15 - Share-based Compensation Plans (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-15-sharebased-compensation-plans-tables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9954519 - Disclosure - Note 15 - Stock-based Compensation Plans - Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-15-stockbased-compensation-plans-stock-option-activity-details</Role>
      <ShortName>Note 15 - Stock-based Compensation Plans - Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9954520 - Disclosure - Note 15 - Stock-based Compensation Plans - Non-vested Share Awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-15-stockbased-compensation-plans-nonvested-share-awards-details</Role>
      <ShortName>Note 15 - Stock-based Compensation Plans - Non-vested Share Awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9954521 - Disclosure - Note 16 - Warranty Costs (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-16-warranty-costs-details-textual</Role>
      <ShortName>Note 16 - Warranty Costs (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-16-warranty-costs-tables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9954522 - Disclosure - Note 16 - Warranty Costs - Warranty and General Liability Reserve (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-16-warranty-costs-warranty-and-general-liability-reserve-details</Role>
      <ShortName>Note 16 - Warranty Costs - Warranty and General Liability Reserve (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9954523 - Disclosure - Note 17 - Transactions With Related Parties (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-17-transactions-with-related-parties-details-textual</Role>
      <ShortName>Note 17 - Transactions With Related Parties (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-17-transactions-with-related-parties</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9954524 - Disclosure - Note 18 - Commitments and Contingent Liabilities (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-18-commitments-and-contingent-liabilities-details-textual</Role>
      <ShortName>Note 18 - Commitments and Contingent Liabilities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-18-commitments-and-contingent-liabilities</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9954525 - Disclosure - Note 19 - Variable Interest Entities (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-19-variable-interest-entities-details-textual</Role>
      <ShortName>Note 19 - Variable Interest Entities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-19-variable-interest-entities</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9954526 - Disclosure - Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-20-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-details-textual</Role>
      <ShortName>Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-20-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-tables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9954527 - Disclosure - Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures - Unconsolidated Homebuilding and Land Development Joint Ventures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-20-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-unconsolidated-homebuilding-and-land-development-joint-ventures-details</Role>
      <ShortName>Note 20 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures - Unconsolidated Homebuilding and Land Development Joint Ventures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9954528 - Disclosure - Note 21 - Fair Value of Financial Instruments (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-details-textual</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-tables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9954529 - Disclosure - Note 21 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-financial-instruments-measured-at-fair-value-on-a-recurring-basis-details</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9954530 - Disclosure - Note 21 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-changes-in-fair-values-included-in-income-loss-details</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9954531 - Disclosure - Note 21 - Fair Value of Financial Instruments - Schedule of assets measured at fair value on a nonrecurring basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note21FairValueofFinancialInstrumentsScheduleofassetsmeasuredatfairvalueonanonrecurringbasisDetails</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments - Schedule of assets measured at fair value on a nonrecurring basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9954532 - Disclosure - Note 21 - Fair Value of Financial Instruments - Fair Value of Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-fair-value-of-notes-details</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments - Fair Value of Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="hov-20241031.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9954533 - Disclosure - Note 21 - Fair Value of Financial Instruments - Fair Value of Notes (Details) (Parentheticals)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/role/statement-note-21-fair-value-of-financial-instruments-fair-value-of-notes-details-parentheticals</Role>
      <ShortName>Note 21 - Fair Value of Financial Instruments - Fair Value of Notes (Details) (Parentheticals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="hov-20241031.htm">hov-20241031.htm</File>
    <File>hov-20241031.xsd</File>
    <File>hov-20241031_cal.xml</File>
    <File>hov-20241031_def.xml</File>
    <File>hov-20241031_lab.xml</File>
    <File>hov-20241031_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>img189fb38f3e894199bd26.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2024</BaseTaxonomy>
    <BaseTaxonomy items="1368">http://fasb.org/us-gaap/2024</BaseTaxonomy>
    <BaseTaxonomy items="44">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
