<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Version>2.4.0.6</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>394</ContextCount>
  <ElementCount>319</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>115</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Disclosure - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</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/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Current Period Unaudited)</ShortName>
    </Report>
    <Report>
      <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/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</ShortName>
    </Report>
    <Report>
      <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/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Condensed Consolidated Statement of Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Condensed Consolidated Statement of Equity (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Disclosure - Supplemental Disclosure of Noncash Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note</Role>
      <ShortName>Supplemental Disclosure of Noncash Activities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Note 1</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0</Role>
      <ShortName>Note 1</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Note 2</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00</Role>
      <ShortName>Note 2</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Note 3</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000</Role>
      <ShortName>Note 3</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Note 4</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000</Role>
      <ShortName>Note 4</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Note 5</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000</Role>
      <ShortName>Note 5</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Note 6</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000</Role>
      <ShortName>Note 6</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Note 7</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000</Role>
      <ShortName>Note 7</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note 8</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000</Role>
      <ShortName>Note 8</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Note 9</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000</Role>
      <ShortName>Note 9</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Note 10</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000</Role>
      <ShortName>Note 10</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Note 11</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000</Role>
      <ShortName>Note 11</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Note 12</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000</Role>
      <ShortName>Note 12</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Note 13</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000</Role>
      <ShortName>Note 13</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Note 14</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000</Role>
      <ShortName>Note 14</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Note 15</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000000</Role>
      <ShortName>Note 15</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Note 16</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000000</Role>
      <ShortName>Note 16</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Note 17</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000000</Role>
      <ShortName>Note 17</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Note 18</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000000000</Role>
      <ShortName>Note 18</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Note 19</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000000000</Role>
      <ShortName>Note 19</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Note 20</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000000000</Role>
      <ShortName>Note 20</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Note 21</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000000000000</Role>
      <ShortName>Note 21</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Note 22</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000000000000</Role>
      <ShortName>Note 22</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Note 23</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000000000000</Role>
      <ShortName>Note 23</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>030 - Disclosure - Note 3 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables</Role>
      <ShortName>Note 3 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>031 - Disclosure - Note 5 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables0</Role>
      <ShortName>Note 5 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>032 - Disclosure - Note 6 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables00</Role>
      <ShortName>Note 6 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>033 - Disclosure - Note 9 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables000</Role>
      <ShortName>Note 9 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>034 - Disclosure - Note 14 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables0000</Role>
      <ShortName>Note 14 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>035 - Disclosure - Note 18 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables00000</Role>
      <ShortName>Note 18 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>036 - Disclosure - Note 20 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables000000</Role>
      <ShortName>Note 20 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>037 - Disclosure - Note 22 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables0000000</Role>
      <ShortName>Note 22 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>038 - Disclosure - Note 23 (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteTables00000000</Role>
      <ShortName>Note 23 (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>039 - Disclosure - Supplemental Disclosure of Noncash Activities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail</Role>
      <ShortName>Supplemental Disclosure of Noncash Activities (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>040 - Disclosure - Note 1 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0</Role>
      <ShortName>Note 1 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>041 - Disclosure - Note 2 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00</Role>
      <ShortName>Note 2 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>042 - Disclosure - Note 3 (Detail) - Interest Costs Incurred, Expensed and Capitalized</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/InterestCostsIncurredExpensedandCapitalizedTable</Role>
      <ShortName>Note 3 (Detail) - Interest Costs Incurred, Expensed and Capitalized</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>043 - Disclosure - Note 3 (Detail) - Cash Paid for Interest, Net of Capitalized Interest</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/CashPaidforInterestNetofCapitalizedInterestTable</Role>
      <ShortName>Note 3 (Detail) - Cash Paid for Interest, Net of Capitalized Interest</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>044 - Disclosure - Note 4 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000</Role>
      <ShortName>Note 4 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>045 - Disclosure - Note 5 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0000</Role>
      <ShortName>Note 5 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>046 - Disclosure - Note 5 (Detail) - Inventory Impairments by Homebuilding Segment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/InventoryImpairmentsbyHomebuildingSegmentTable</Role>
      <ShortName>Note 5 (Detail) - Inventory Impairments by Homebuilding Segment</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>047 - Disclosure - Note 5 (Detail) - Write-Offs and Lots Walked Away From</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/WriteOffsandLotsWalkedAwayFromTable</Role>
      <ShortName>Note 5 (Detail) - Write-Offs and Lots Walked Away From</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>048 - Disclosure - Note 6 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00000</Role>
      <ShortName>Note 6 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>049 - Disclosure - Note 6 (Detail) - Warranty Reserve and General Liability Reserve</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/WarrantyReserveandGeneralLiabilityReserveTable</Role>
      <ShortName>Note 6 (Detail) - Warranty Reserve and General Liability Reserve</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>050 - Disclosure - Note 7 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000000</Role>
      <ShortName>Note 7 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>051 - Disclosure - Note 8 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0000000</Role>
      <ShortName>Note 8 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>052 - Disclosure - Note 9 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00000000</Role>
      <ShortName>Note 9 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>053 - Disclosure - Note 9 (Detail) - Loan Origination Reserves</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/LoanOriginationReservesTable</Role>
      <ShortName>Note 9 (Detail) - Loan Origination Reserves</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>054 - Disclosure - Note 10 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000000000</Role>
      <ShortName>Note 10 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>055 - Disclosure - Note 11 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0000000000</Role>
      <ShortName>Note 11 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>056 - Disclosure - Note 12 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00000000000</Role>
      <ShortName>Note 12 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>057 - Disclosure - Note 13 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000000000000</Role>
      <ShortName>Note 13 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>058 - Disclosure - Note 14 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0000000000000</Role>
      <ShortName>Note 14 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>059 - Disclosure - Note 14 (Detail) - Earnings per Share Calculation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/EarningsperShareCalculationTable</Role>
      <ShortName>Note 14 (Detail) - Earnings per Share Calculation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>060 - Disclosure - Note 15 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00000000000000</Role>
      <ShortName>Note 15 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>061 - Disclosure - Note 16 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000000000000000</Role>
      <ShortName>Note 16 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>062 - Disclosure - Note 17 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0000000000000000</Role>
      <ShortName>Note 17 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>063 - Disclosure - Note 18 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00000000000000000</Role>
      <ShortName>Note 18 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>064 - Disclosure - Note 18 (Detail) - Segment Operations - Operating Activity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/SegmentOperationsOperatingActivityTable</Role>
      <ShortName>Note 18 (Detail) - Segment Operations - Operating Activity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>065 - Disclosure - Note 18 (Detail) - Segment Operations - Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/SegmentOperationsAssetsTable</Role>
      <ShortName>Note 18 (Detail) - Segment Operations - Assets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>066 - Disclosure - Note 19 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000000000000000000</Role>
      <ShortName>Note 19 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>067 - Disclosure - Note 20 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail0000000000000000000</Role>
      <ShortName>Note 20 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>068 - Disclosure - Note 20 (Detail) - Unconsolidated Homebuilding and Land Development Joint Ventures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/UnconsolidatedHomebuildingandLandDevelopmentJointVenturesTable</Role>
      <ShortName>Note 20 (Detail) - Unconsolidated Homebuilding and Land Development Joint Ventures</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>069 - Disclosure - Note 22 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail00000000000000000000</Role>
      <ShortName>Note 22 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>070 - Disclosure - Note 22 (Detail) - Financial Instruments Measured at Fair Value on a Recurring Basis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/FinancialInstrumentsMeasuredatFairValueonaRecurringBasisTable</Role>
      <ShortName>Note 22 (Detail) - Financial Instruments Measured at Fair Value on a Recurring Basis</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>071 - Disclosure - Note 22 (Detail) - Changes in Fair Values Included in Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ChangesinFairValuesIncludedinIncomeLossTable</Role>
      <ShortName>Note 22 (Detail) - Changes in Fair Values Included in Income (Loss)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>072 - Disclosure - Note 22 (Detail) - Assets Measured at Fair Value on a Nonrecurring Basis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/AssetsMeasuredatFairValueonaNonrecurringBasisTable</Role>
      <ShortName>Note 22 (Detail) - Assets Measured at Fair Value on a Nonrecurring Basis</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>073 - Disclosure - Note 23 (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/NoteDetail000000000000000000000</Role>
      <ShortName>Note 23 (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>074 - Disclosure - Note 23 (Detail) - Condensed Consolidating Financial Statements - Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/CondensedConsolidatingFinancialStatementsBalanceSheetsTable</Role>
      <ShortName>Note 23 (Detail) - Condensed Consolidating Financial Statements - Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>075 - Disclosure - Note 23 (Detail) - Condensed Consolidating Financial Statements - Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/CondensedConsolidatingFinancialStatementsStatementsofOperationsTable</Role>
      <ShortName>Note 23 (Detail) - Condensed Consolidating Financial Statements - Statements of Operations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>076 - Disclosure - Note 23 (Detail) - Condensed Consolidating Financial Statements - Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/CondensedConsolidatingFinancialStatementsStatementsofCashFlowsTable</Role>
      <ShortName>Note 23 (Detail) - Condensed Consolidating Financial Statements - Statements of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element hov_BodilyInjuryInsuranceDeductible had a mix of decimals attribute values: -5 -4.</Log>
    <Log type="Info">Element hov_LandOptionWriteOffs had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element hov_PreImpairmentValue had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element hov_PrepaidStockPurchaseContractsSharesSettled had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element hov_SeniorExchangeableNotesExchangedForClassACommonStock had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element hov_SeniorNotesUnsecured had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element hov_ShareholderOwnershipPercentage had a mix of decimals attribute values: 2 3.</Log>
    <Log type="Info">Element us-gaap_AssetsSoldUnderAgreementsToRepurchaseInterestRate had a mix of decimals attribute values: 3 7.</Log>
    <Log type="Info">Element us-gaap_DebtInstrumentFaceAmount had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element us-gaap_DebtInstrumentInterestRateStatedPercentage had a mix of decimals attribute values: 3 5.</Log>
    <Log type="Info">Element us-gaap_GainsLossesOnExtinguishmentOfDebt had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_ImpairmentOfRealEstate had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_RestrictedCashAndCashEquivalents had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_SecuredDebt had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_SubordinatedDebt had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_WarehouseAgreementBorrowings had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">'Monetary' elements on report '045 - Disclosure - Note 5 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '054 - Disclosure - Note 10 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '056 - Disclosure - Note 12 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '058 - Disclosure - Note 14 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '061 - Disclosure - Note 16 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '062 - Disclosure - Note 17 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '069 - Disclosure - Note 22 (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 12, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Apr. 11, 2012'</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</Log>
  </Logs>
  <InputFiles>
    <File>hov-20130430.xml</File>
    <File>hov-20130430.xsd</File>
    <File>hov-20130430_cal.xml</File>
    <File>hov-20130430_def.xml</File>
    <File>hov-20130430_lab.xml</File>
    <File>hov-20130430_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
