<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.2.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>517</ContextCount>
  <ElementCount>327</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>127</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="hov20220731_10q.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/20220731/role/statement-document-and-entity-information</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Current Period Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-condensed-consolidated-statements-of-operations-unaudited</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Condensed Consolidated Statements of Changes in Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-condensed-consolidated-statements-of-changes-in-equity-unaudited</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Equity (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-condensed-consolidated-statements-of-changes-in-equity-unaudited-parentheticals</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Supplemental Disclosure of Noncash Investing and Financing Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-supplemental-disclosure-of-noncash-investing-and-financing-activities</Role>
      <ShortName>Supplemental Disclosure of Noncash Investing and Financing Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Note 1 - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-1-basis-of-presentation</Role>
      <ShortName>Note 1 - Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Note 2 - Stock Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-2-stock-compensation-</Role>
      <ShortName>Note 2 - Stock Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Note 3 - Interest</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-3-interest</Role>
      <ShortName>Note 3 - Interest</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Note 4 - Reduction of Inventory to Fair Value</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-4-reduction-of-inventory-to-fair-value</Role>
      <ShortName>Note 4 - Reduction of Inventory to Fair Value</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Note 5 - Variable Interest Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-5-variable-interest-entities</Role>
      <ShortName>Note 5 - Variable Interest Entities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Note 6 - Warranty Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-6-warranty-costs</Role>
      <ShortName>Note 6 - Warranty Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note 7 - Commitments and Contingent Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-7-commitments-and-contingent-liabilities</Role>
      <ShortName>Note 7 - Commitments and Contingent Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Note 8 - Cash and Cash Equivalents, Restricted Cash and Cash Equivalents and Customer's Deposits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-8-cash-and-cash-equivalents-restricted-cash-and-cash-equivalents-and-customers-deposits</Role>
      <ShortName>Note 8 - Cash and Cash Equivalents, Restricted Cash and Cash Equivalents and Customer's Deposits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Note 9 - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-9-leases</Role>
      <ShortName>Note 9 - Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Note 10 - Mortgage Loans Held for Sale</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-10-mortgage-loans-held-for-sale</Role>
      <ShortName>Note 10 - Mortgage Loans Held for Sale</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Note 11 - Mortgages</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-11-mortgages</Role>
      <ShortName>Note 11 - Mortgages</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Note 12 - Senior Notes and Credit Facilities</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities</Role>
      <ShortName>Note 12 - Senior Notes and Credit Facilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Note 13 - Per Share Calculation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-13-per-share-calculation</Role>
      <ShortName>Note 13 - Per Share Calculation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Note 14 - Preferred Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-14-preferred-stock</Role>
      <ShortName>Note 14 - Preferred Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Note 15 - Common Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-15-common-stock</Role>
      <ShortName>Note 15 - Common Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Note 16 - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-16-income-taxes</Role>
      <ShortName>Note 16 - Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Note 17 - Operating and Reporting Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments</Role>
      <ShortName>Note 17 - Operating and Reporting Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-18-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures</Role>
      <ShortName>Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Note 19 - Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-19-recent-accounting-pronouncements</Role>
      <ShortName>Note 19 - Recent Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Note 20 - Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Note 21 - Transactions With Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-21-transactions-with-related-parties</Role>
      <ShortName>Note 21 - Transactions With Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Note 22 - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-22-subsequent-events</Role>
      <ShortName>Note 22 - Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>030 - Disclosure - Note 3 - Interest (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-3-interest-tables</Role>
      <ShortName>Note 3 - Interest (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-3-interest</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>031 - Disclosure - Note 6 - Warranty Costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-6-warranty-costs-tables</Role>
      <ShortName>Note 6 - Warranty Costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-6-warranty-costs</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>032 - Disclosure - Note 9 - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-9-leases-tables</Role>
      <ShortName>Note 9 - Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-9-leases</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>033 - Disclosure - Note 10 - Mortgage Loans Held for Sale (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-10-mortgage-loans-held-for-sale-tables</Role>
      <ShortName>Note 10 - Mortgage Loans Held for Sale (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-10-mortgage-loans-held-for-sale</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>034 - Disclosure - Note 12 - Senior Notes and Credit Facilities (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities-tables</Role>
      <ShortName>Note 12 - Senior Notes and Credit Facilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>035 - Disclosure - Note 13 - Per Share Calculation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-13-per-share-calculation-tables</Role>
      <ShortName>Note 13 - Per Share Calculation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-13-per-share-calculation</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>036 - Disclosure - Note 17 - Operating and Reporting Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments-tables</Role>
      <ShortName>Note 17 - Operating and Reporting Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>037 - Disclosure - Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-18-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-tables</Role>
      <ShortName>Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-18-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>038 - Disclosure - Note 20 - Fair Value of Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-tables</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>039 - Disclosure - Supplemental Disclosure of Noncash Investing and Financing Activities (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-supplemental-disclosure-of-noncash-investing-and-financing-activities-details-textual</Role>
      <ShortName>Supplemental Disclosure of Noncash Investing and Financing Activities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-supplemental-disclosure-of-noncash-investing-and-financing-activities</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>040 - Disclosure - Note 1 - Basis of Presentation (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-1-basis-of-presentation-details-textual</Role>
      <ShortName>Note 1 - Basis of Presentation (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-1-basis-of-presentation</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>041 - Disclosure - Note 2 - Stock Compensation (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-2-stock-compensation-details-textual</Role>
      <ShortName>Note 2 - Stock Compensation (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-2-stock-compensation-</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>042 - Disclosure - Note 3 - Interest (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-3-interest-details-textual</Role>
      <ShortName>Note 3 - Interest (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-3-interest-tables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>043 - Disclosure - Note 3 - Interest - Interest Costs Incurred, Expensed and Capitalized (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-3-interest-interest-costs-incurred-expensed-and-capitalized-details</Role>
      <ShortName>Note 3 - Interest - Interest Costs Incurred, Expensed and Capitalized (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>044 - Disclosure - Note 3 - Interest - Cash Paid for Interest, Net of Capitalized Interest (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-3-interest-cash-paid-for-interest-net-of-capitalized-interest-details</Role>
      <ShortName>Note 3 - Interest - Cash Paid for Interest, Net of Capitalized Interest (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>045 - Disclosure - Note 4 - Reduction of Inventory to Fair Value (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-4-reduction-of-inventory-to-fair-value-details-textual</Role>
      <ShortName>Note 4 - Reduction of Inventory to Fair Value (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-4-reduction-of-inventory-to-fair-value</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>046 - Disclosure - Note 5 - Variable Interest Entities (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-5-variable-interest-entities-details-textual</Role>
      <ShortName>Note 5 - Variable Interest Entities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-5-variable-interest-entities</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>047 - Disclosure - Note 6 - Warranty Costs (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-6-warranty-costs-details-textual</Role>
      <ShortName>Note 6 - Warranty Costs (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-6-warranty-costs-tables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>048 - Disclosure - Note 6 - Warranty Costs - Warranty and General Liability Reserve (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-6-warranty-costs-warranty-and-general-liability-reserve-details</Role>
      <ShortName>Note 6 - Warranty Costs - Warranty and General Liability Reserve (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>049 - Disclosure - Note 7 - Commitments and Contingent Liabilities (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-7-commitments-and-contingent-liabilities-details-textual</Role>
      <ShortName>Note 7 - Commitments and Contingent Liabilities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-7-commitments-and-contingent-liabilities</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>050 - Disclosure - Note 8 - Cash and Cash Equivalents, Restricted Cash and Cash Equivalents and Customer's Deposits (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-8-cash-and-cash-equivalents-restricted-cash-and-cash-equivalents-and-customers-deposits-details-textual</Role>
      <ShortName>Note 8 - Cash and Cash Equivalents, Restricted Cash and Cash Equivalents and Customer's Deposits (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-8-cash-and-cash-equivalents-restricted-cash-and-cash-equivalents-and-customers-deposits</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>051 - Disclosure - Note 9 - Leases (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-9-leases-details-textual</Role>
      <ShortName>Note 9 - Leases (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-9-leases-tables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>052 - Disclosure - Note 9 - Leases - Lease Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-9-leases-lease-cost-details</Role>
      <ShortName>Note 9 - Leases - Lease Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>053 - Disclosure - Note 9 - Leases - Maturities of Operating Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-9-leases-maturities-of-operating-lease-liabilities-details</Role>
      <ShortName>Note 9 - Leases - Maturities of Operating Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>054 - Disclosure - Note 10 - Mortgage Loans Held for Sale (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-10-mortgage-loans-held-for-sale-details-textual</Role>
      <ShortName>Note 10 - Mortgage Loans Held for Sale (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-10-mortgage-loans-held-for-sale-tables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>055 - Disclosure - Note 10 - Mortgage Loans Held for Sale - Loan Origination Reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-10-mortgage-loans-held-for-sale-loan-origination-reserves-details</Role>
      <ShortName>Note 10 - Mortgage Loans Held for Sale - Loan Origination Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>056 - Disclosure - Note 11 - Mortgages (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-11-mortgages-details-textual</Role>
      <ShortName>Note 11 - Mortgages (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-11-mortgages</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>057 - Disclosure - Note 12 - Senior Notes and Credit Facilities (Details Textual)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities-details-textual</Role>
      <ShortName>Note 12 - Senior Notes and Credit Facilities (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities-tables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>058 - Disclosure - Note 12 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities-senior-notes-and-credit-facilities-balances-details</Role>
      <ShortName>Note 12 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>059 - Disclosure - Note 12 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-12-senior-notes-and-credit-facilities-senior-notes-and-credit-facilities-balances-details-parentheticals</Role>
      <ShortName>Note 12 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>060 - Disclosure - Note 13 - Per Share Calculation (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-13-per-share-calculation-details-textual</Role>
      <ShortName>Note 13 - Per Share Calculation (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-13-per-share-calculation-tables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>061 - Disclosure - Note 13 - Per Share Calculation - Basic and Diluted Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-13-per-share-calculation-basic-and-diluted-earnings-per-share-details</Role>
      <ShortName>Note 13 - Per Share Calculation - Basic and Diluted Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>062 - Disclosure - Note 14 - Preferred Stock (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-14-preferred-stock-details-textual</Role>
      <ShortName>Note 14 - Preferred Stock (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-14-preferred-stock</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>063 - Disclosure - Note 15 - Common Stock (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-15-common-stock-details-textual</Role>
      <ShortName>Note 15 - Common Stock (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-15-common-stock</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>064 - Disclosure - Note 16 - Income Taxes (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-16-income-taxes-details-textual</Role>
      <ShortName>Note 16 - Income Taxes (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-16-income-taxes</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>065 - Disclosure - Note 17 - Operating and Reporting Segments (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments-details-textual</Role>
      <ShortName>Note 17 - Operating and Reporting Segments (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments-tables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>066 - Disclosure - Note 17 - Operating and Reporting Segments - Financial Information Relating to Segment Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments-financial-information-relating-to-segment-operations-details</Role>
      <ShortName>Note 17 - Operating and Reporting Segments - Financial Information Relating to Segment Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>067 - Disclosure - Note 17 - Operating and Reporting Segments - Financial Information Relating to Segment Financial Position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-17-operating-and-reporting-segments-financial-information-relating-to-segment-financial-position-details</Role>
      <ShortName>Note 17 - Operating and Reporting Segments - Financial Information Relating to Segment Financial Position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>068 - Disclosure - Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-18-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-details-textual</Role>
      <ShortName>Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-18-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-tables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>069 - Disclosure - Note 18 - 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/20220731/role/statement-note-18-investments-in-unconsolidated-homebuilding-and-land-development-joint-ventures-unconsolidated-homebuilding-and-land-development-joint-ventures-details</Role>
      <ShortName>Note 18 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures - Unconsolidated Homebuilding and Land Development Joint Ventures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>070 - Disclosure - Note 20 - Fair Value of Financial Instruments (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-details-textual</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-tables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>071 - Disclosure - Note 20 - 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/20220731/role/statement-note-20-fair-value-of-financial-instruments-financial-instruments-measured-at-fair-value-on-a-recurring-basis-details</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>072 - Disclosure - Note 20 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-changes-in-fair-values-included-in-income-loss-details</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>073 - Disclosure - Note 20 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-assets-measured-at-fair-value-on-a-nonrecurring-basis-details</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>074 - Disclosure - Note 20 - Fair Value of Financial Instruments - Fair Value of Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-fair-value-of-notes-details</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments - Fair Value of Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>075 - Disclosure - Note 20 - Fair Value of Financial Instruments - Fair Value of Notes (Details) (Parentheticals)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-20-fair-value-of-financial-instruments-fair-value-of-notes-details-parentheticals</Role>
      <ShortName>Note 20 - Fair Value of Financial Instruments - Fair Value of Notes (Details) (Parentheticals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>076 - Disclosure - Note 21 - Transactions With Related Parties (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-21-transactions-with-related-parties-details-textual</Role>
      <ShortName>Note 21 - Transactions With Related Parties (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-21-transactions-with-related-parties</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="hov20220731_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>077 - Disclosure - Note 22 - Subsequent Events (Details Textual)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/20220731/role/statement-note-22-subsequent-events-details-textual</Role>
      <ShortName>Note 22 - Subsequent Events (Details Textual)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.khov.com/20220731/role/statement-note-22-subsequent-events</ParentRole>
      <Position>78</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 145 fact(s) appearing in ix:hidden were eligible for transformation: dei:EntityRegistrantName, hov:BodilyInjuryInsuranceDeductible, hov:BodilyInjuryInsuranceLimit, hov:CommonStockVotingRightsVotesPerShareNumber, hov:ConversionOfStockFromClassBToClassAConversionRatio, hov:EquityMethodInvestmentNumberOfUnconsolidatedJointVentures, hov:NumberOfActiveCommunitiesTakenControlOfFromJointVentures, hov:NumberOfCommunitiesImpaired, hov:NumberOfCommunitiesMothballed, hov:NumberOfCommunitiesPerformedDetailedImpairmentCalculations, hov:NumberOfCommunitiesTakenControlOfFromJointVentures, hov:NumberOfJointVenturesFromWhichRemainingEquityInterestPurchased, hov:NumberOfNewJointVentures, hov:NumberOfPreviouslyMothballedCommunityReactivated, hov:NumberOfRights, hov:PaymentsByInsuranceCompaniesForClaims, hov:PreferredStockDepositarySharesNumberOfSharesOfPreferredStockInEachDepositaryShare, us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount, us-gaap:AssetsFairValueDisclosure, us-gaap:CommonStockParOrStatedValuePerShare, us-gaap:CommonStockSharesAuthorized, us-gaap:CommonStockSharesIssued, us-gaap:DebtInstrumentBasisSpreadOnVariableRate1, us-gaap:DebtInstrumentCarryingAmount, us-gaap:DebtInstrumentCollateralAmount, us-gaap:DebtInstrumentInterestRateStatedPercentage, us-gaap:DebtInstrumentMaturityDate, us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment, us-gaap:EquityMethodInvestmentOwnershipPercentage, us-gaap:GainsLossesOnExtinguishmentOfDebt, us-gaap:ImpairmentOfRealEstate, us-gaap:LesseeOperatingLeaseTermOfContract, us-gaap:LineOfCredit, us-gaap:NumberOfReportableSegments, us-gaap:PaymentsOfDividends, us-gaap:PreferredStockDividendsPerShareDeclared, us-gaap:PreferredStockLiquidationPreferenceValue, us-gaap:PreferredStockParOrStatedValuePerShare, us-gaap:PreferredStockSharesAuthorized, us-gaap:PreferredStockSharesIssued, us-gaap:PreferredStockSharesOutstanding, us-gaap:RelatedPartyTransactionAmountsOfTransaction, us-gaap:Revenues, us-gaap:StockRepurchasedDuringPeriodShares, us-gaap:TreasuryStockShares -  hov20220731_10q.htm 8, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" original="hov20220731_10q.htm">hov20220731_10q.htm</File>
    <File>ex_391678.htm</File>
    <File>ex_391679.htm</File>
    <File>ex_391680.htm</File>
    <File>ex_391681.htm</File>
    <File>ex_418802.htm</File>
    <File>ex_418803.htm</File>
    <File>ex_418804.htm</File>
    <File>ex_418805.htm</File>
    <File>ex_418806.htm</File>
    <File>ex_418807.htm</File>
    <File>ex_418808.htm</File>
    <File>ex_418809.htm</File>
    <File>ex_418810.htm</File>
    <File>hov-20220731.xsd</File>
    <File>hov-20220731_cal.xml</File>
    <File>hov-20220731_def.xml</File>
    <File>hov-20220731_lab.xml</File>
    <File>hov-20220731_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1119">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="36">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
