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<!-- EDGAR Online I-Metrix Xcelerate Instance Document, based on XBRL 2.1  http://www.edgar-online.com/ -->
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<!-- Creation date: 2012-05-07T19:07:27Z -->
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  <dei:EntityRegistrantName contextRef="eol_0001144204-12-024687_STD_1_20120501_0" id="id_22307_14BFADB6-A966-46D4-B614-62EA79D2A76F_1_0">HEARTLAND GROUP INC</dei:EntityRegistrantName>
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  <rr:ProspectusDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0" id="id_22307_6BCCE30C-643D-4767-8A9E-871A08921EB5_1_2">2012-05-01</rr:ProspectusDate>
  <rr:PerformanceTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_95">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/PerformanceTableData_S000003525Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * column rr_PerformanceMeasureAxis compact * row primary compact *  ~&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:ShareholderFeesTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_92">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/ShareholderFeesData_S000003525Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:ShareholderFeesTableTextBlock>
  <rr:ExpenseExampleHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_17">EXAMPLE.</rr:ExpenseExampleHeading>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_56">After-tax returns are calculated using the highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:ObjectiveHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_2">INVESTMENT GOAL</rr:ObjectiveHeading>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_37">Past performance (before and after taxes) does not guarantee future results.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:RiskLoseMoney contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_31">The principal risk of investing in the Select Value Fund is that its share price and investment return will fluctuate, and you could lose money.</rr:RiskLoseMoney>
  <rr:RiskHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_29">PRINCIPAL RISKS OF INVESTING IN THE SELECT VALUE FUND</rr:RiskHeading>
  <rr:ShareholderFeesCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_6">SHAREHOLDER FEES (fees paid directly from your investment)</rr:ShareholderFeesCaption>
  <rr:ExpenseExampleByYearCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_19">Although your actual costs may be higher or lower, based on these assumptions your costs would be:</rr:ExpenseExampleByYearCaption>
  <rr:PortfolioTurnoverRate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_26">0.47</rr:PortfolioTurnoverRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_57">Actual after-tax returns depend on an investor&apos;s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:BarChartHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_38">TABLE I SELECT VALUE FUND - INVESTOR CLASS SHARES - YEAR-BY-YEAR TOTAL RETURNS</rr:BarChartHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_32">PAST PERFORMANCE</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceTableClosingTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_90">&lt;tt&gt;After-tax returns are calculated using the highest historical individual federal&lt;br /&gt;marginal income tax rates and do not reflect the impact of state and local&lt;br /&gt;taxes. Actual after-tax returns depend on an investor&apos;s tax situation and may&lt;br /&gt;differ from those shown, and after-tax returns shown are not relevant to&lt;br /&gt;investors who hold their Fund shares through tax-deferred arrangements, such as&lt;br /&gt;401(k) plans or individual retirement accounts. In addition, after-tax returns&lt;br /&gt;are shown only for Investor Class Shares, and after-tax returns for the&lt;br /&gt;Institutional Class Shares will vary.&lt;/tt&gt;</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_34">The following tables show historical performance of the Select Value Fund and provide some indication of the risks of investing in the Fund.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:BarChartClosingTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_55">&lt;tt&gt;Best Quarter:&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Worst Quarter:&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&lt;br /&gt;2nd Quarter of 2003.... 23.10% 4th Quarter of 2008.... -23.59%&lt;/tt&gt;</rr:BarChartClosingTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_28">&lt;tt&gt;The Select Value Fund invests primarily in a concentrated number (generally 40&lt;br /&gt;to 60) of common stocks of all sizes, selected on a value basis and whose&lt;br /&gt;current market prices, in Heartland Advisors, Inc.&apos;s ("Heartland Advisors")&lt;br /&gt;judgment, are undervalued relative to their intrinsic value. They normally have&lt;br /&gt;market capitalizations in excess of $500 million at the time of purchase. The&lt;br /&gt;median market capitalization of the Fund is expected to fluctuate over time&lt;br /&gt;depending on Heartland Advisors&apos; perceptions of relative valuations, future&lt;br /&gt;prospects and market conditions.&lt;br /&gt;&amp;#xA0;&amp;#xA0;&lt;br /&gt;The Fund utilizes Heartland Advisors&apos; disciplined and time-tested 10 Principles&lt;br /&gt;of Value InvestingTM framework to identify securities with the potential for&lt;br /&gt;appreciation and a potential margin of safety to limit downside risk.&lt;br /&gt; &lt;br /&gt;The Select Value Fund is designed for investors who seek long-term capital&lt;br /&gt;appreciation from a diversified, actively managed portfolio of stocks of all&lt;br /&gt;sizes. It is constructed as a core value holding for investors who can accept&lt;br /&gt;the volatility and other investment risks of the broad based equity markets, but&lt;br /&gt;want to manage these risks by investing in companies believed to be undervalued&lt;br /&gt;relative to their intrinsic value.&lt;/tt&gt;</rr:StrategyNarrativeTextBlock>
  <rr:RiskReturnHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_1">HEARTLAND SELECT VALUE FUND</rr:RiskReturnHeading>
  <rr:AverageAnnualReturnCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_59">TABLE II SELECT VALUE FUND - AVERAGE ANNUAL TOTAL RETURNS (FOR THE PERIODS ENDED 12/31/11)</rr:AverageAnnualReturnCaption>
  <rr:PortfolioTurnoverHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_24">PORTFOLIO TURNOVER</rr:PortfolioTurnoverHeading>
  <rr:RiskNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_30">&lt;tt&gt;The principal risk of investing in the Select Value Fund is that its share price&lt;br /&gt;and investment return will fluctuate, and you could lose money. Because the Fund&lt;br /&gt;invests in value stocks, it is subject to the risk that their intrinsic values&lt;br /&gt;may never be recognized by the broad market or that their prices may decline. At&lt;br /&gt;times, the Fund may invest in stocks of small or mid-sized companies, which are&lt;br /&gt;generally more volatile and less liquid than stocks of larger, more established&lt;br /&gt;companies.&lt;br /&gt; &lt;br /&gt;As the Select Value Fund invests in a limited number of stocks (generally 40 to&lt;br /&gt;60), a change in the value of any single holding may have a more pronounced&lt;br /&gt;effect on the Fund&apos;s net asset value and performance than would be the case if&lt;br /&gt;it held more positions. This generally will increase the volatility of the&lt;br /&gt;Fund&apos;s share price and investment return.&lt;/tt&gt;</rr:RiskNarrativeTextBlock>
  <rr:ExpenseHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_4">FEES AND EXPENSES OF THE SELECT VALUE FUND</rr:ExpenseHeading>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_58">In addition, after-tax returns are shown only for Investor Class Shares, and after-tax returns for the Institutional Class Shares will vary.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <rr:StrategyHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_27">PRINCIPAL INVESTMENT STRATEGIES OF THE SELECT VALUE FUND</rr:StrategyHeading>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_36">www.heartlandfunds.com</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_33">&lt;tt&gt;The following tables show historical performance of the Select Value Fund and&lt;br /&gt;provide some indication of the risks of investing in the Fund. Table I shows how&lt;br /&gt;the total returns before taxes for the Fund&apos;s Investor Class Shares have varied&lt;br /&gt;from year to year for the past 10 years. Table II shows how the Fund&apos;s average&lt;br /&gt;annual total returns compare to those of two different securities market&lt;br /&gt;indices. Performance information for the Institutional Class Shares prior to May&lt;br /&gt;1, 2008 is based on the performance of the Investor Class. Past performance&lt;br /&gt;(before and after taxes) does not guarantee future results. Recent performance&lt;br /&gt;information for the Fund is available on the Fund&apos;s website at&lt;br /&gt;www.heartlandfunds.com or by calling 1-800-432-7856.&lt;/tt&gt;</rr:PerformanceNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_5">&lt;tt&gt;This table describes the fees and expenses that you may pay if you buy and hold&lt;br /&gt;Investor or Institutional Class Shares of the Select Value Fund.&lt;/tt&gt;</rr:ExpenseNarrativeTextBlock>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_94">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/OperatingExpensesData_S000003525Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:PerformanceAvailabilityPhone contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_35">1-800-432-7856</rr:PerformanceAvailabilityPhone>
  <rr:OperatingExpensesCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_12">ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:PortfolioTurnoverTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_25">&lt;tt&gt;The Select Value Fund pays transaction costs, such as commissions, when it buys&lt;br /&gt;and sells securities (or "turns over" its portfolio). A higher portfolio&lt;br /&gt;turnover rate may indicate higher transaction costs and may result in higher&lt;br /&gt;taxes when Fund shares are held in a taxable account. These costs, which are not&lt;br /&gt;reflected in annual fund operating expenses or in the example, affect the Fund&apos;s&lt;br /&gt;performance. During the most recent fiscal year, the Fund&apos;s portfolio turnover&lt;br /&gt;rate was 47% of the average value of its portfolio.&lt;/tt&gt;</rr:PortfolioTurnoverTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_93">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/ExpenseExample_S000003525Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_91">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/BarChartData_S000003525Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_3">&lt;tt&gt;The Select Value Fund seeks long-term capital appreciation.&lt;/tt&gt;</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1001_18">&lt;tt&gt;This Example is intended to help you compare the cost of investing in&lt;br /&gt;the Select Value Fund with the cost of investing in other mutual funds. The&lt;br /&gt;Example assumes that you invest $10,000 in the Fund for the time periods&lt;br /&gt;indicated and then redeem all of your shares at the end of those periods. The&lt;br /&gt;Example also assumes that your investment has a 5% return each year and that the&lt;br /&gt;Fund&apos;s operating expenses remain the same.&lt;/tt&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <dei:TradingSymbol contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_0">HNSVX</dei:TradingSymbol>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_64">0.0965</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_65">1996-10-11</rr:AverageAnnualReturnInceptionDate>
  <rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_8">0.00</rr:MaximumDeferredSalesChargeOverOfferingPrice>
  <rr:ExpenseExampleYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_23">1119</rr:ExpenseExampleYear10>
  <rr:RedemptionFeeOverRedemption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_10">-0.02</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_22">504</rr:ExpenseExampleYear05>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_61">-0.0642</rr:AverageAnnualReturnYear01>
  <rr:OtherExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_15">0.0016</rr:OtherExpensesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_13">0.0075</rr:ManagementFeesOverAssets>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_62">0.0198</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_60">Return Before Taxes</rr:AverageAnnualReturnLabel>
  <rr:ExpenseExampleYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_20">93</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_21">290</rr:ExpenseExampleYear03>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_9">0.00</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_14">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_63">0.0716</rr:AverageAnnualReturnYear10>
  <rr:ExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_16">0.0091</rr:ExpensesOverAssets>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_7">0.00</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExchangeFee contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996405" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1003_11">0</rr:ExchangeFee>
  <dei:TradingSymbol contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_0">HRSVX</dei:TradingSymbol>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_64">0.0957</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_65">1996-10-11</rr:AverageAnnualReturnInceptionDate>
  <rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_8">0.00</rr:MaximumDeferredSalesChargeOverOfferingPrice>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_54">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:AnnualReturn2002 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_39">-0.1385</rr:AnnualReturn2002>
  <rr:BarChartLowestQuarterlyReturn contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_53">-0.2359</rr:BarChartLowestQuarterlyReturn>
  <rr:AnnualReturn2004 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_41">0.1702</rr:AnnualReturn2004>
  <rr:AnnualReturn2010 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_47">0.1777</rr:AnnualReturn2010>
  <rr:ExpenseExampleYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_23">1476</rr:ExpenseExampleYear10>
  <rr:RedemptionFeeOverRedemption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_10">-0.02</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_22">670</rr:ExpenseExampleYear05>
  <rr:AnnualReturn2007 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_44">0.0402</rr:AnnualReturn2007>
  <rr:BarChartHighestQuarterlyReturn contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_50">0.2310</rr:BarChartHighestQuarterlyReturn>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_61">-0.0668</rr:AverageAnnualReturnYear01>
  <rr:OtherExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_15">0.0022</rr:OtherExpensesOverAssets>
  <rr:AnnualReturn2008 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_45">-0.3123</rr:AnnualReturn2008>
  <rr:ManagementFeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_13">0.0075</rr:ManagementFeesOverAssets>
  <rr:AnnualReturn2009 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_46">0.3863</rr:AnnualReturn2009>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_62">0.0173</rr:AverageAnnualReturnYear05>
  <rr:AnnualReturn2005 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_42">0.1349</rr:AnnualReturn2005>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_60">Return Before Taxes</rr:AverageAnnualReturnLabel>
  <rr:ExpenseExampleYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_20">124</rr:ExpenseExampleYear01>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_51">2003-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:ExpenseExampleYear03 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_21">387</rr:ExpenseExampleYear03>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_9">0.00</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:AnnualReturn2003 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_40">0.3566</rr:AnnualReturn2003>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_14">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_63">0.0704</rr:AverageAnnualReturnYear10>
  <rr:ExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_16">0.0122</rr:ExpensesOverAssets>
  <rr:AnnualReturn2006 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_43">0.1669</rr:AnnualReturn2006>
  <rr:AnnualReturn2011 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_48">-0.0668</rr:AnnualReturn2011>
  <rr:LowestQuarterlyReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_52">Worst Quarter:</rr:LowestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_49">Best Quarter:</rr:HighestQuarterlyReturnLabel>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="pure" decimals="2" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_7">0.00</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExchangeFee contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408" unitRef="iso4217_USD" decimals="0" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_1002_11">0</rr:ExchangeFee>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429483" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_4002_76">0.0832</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429483" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_4002_77">1996-10-11</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429483" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_4002_73">-0.0406</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429483" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_4002_74">0.0146</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429483" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_4002_72">Return After Taxes on Distributions and Sale of Fund Shares </rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429483" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_4002_75">0.0618</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429511" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_5002_70">0.0889</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429511" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_5002_71">1996-10-11</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429511" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_5002_67">-0.0690</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429511" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_5002_68">0.0136</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429511" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_5002_66">Return After Taxes on Distributions </rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429423x-9996408_429555x429511" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_5002_69">0.0665</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998692" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_2001_88">0.0591</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998692" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_2001_89">1996-10-11</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998692" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_2001_85">0.0211</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998692" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_2001_86">-0.0025</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998692" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_2001_84">S&amp;P 500 Index (reflects no deduction for fees, expenses or taxes)</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998692" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_2001_87">0.0292</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998693" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_3001_82">0.0690</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998693" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_3001_83">1996-10-11</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998693" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_3001_79">-0.0010</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998693" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_3001_80">-0.0258</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998693" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_3001_78">Russell 3000 Value Index (reflects no deduction for fees, expenses or taxes)</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996402_396840x-9986496_429555x-9998693" unitRef="pure" decimals="4" id="id_22307_7C09B2A2-117F-474D-B926-6573D5A4CE85_3001_81">0.0408</rr:AverageAnnualReturnYear10>
  <rr:PerformanceTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_95">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/PerformanceTableData_S000003524Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * column rr_PerformanceMeasureAxis compact * row primary compact *  ~&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:ShareholderFeesTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_92">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/ShareholderFeesData_S000003524Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:ShareholderFeesTableTextBlock>
  <rr:ExpenseExampleHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_17">EXAMPLE.</rr:ExpenseExampleHeading>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_56">After-tax returns are calculated using the highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:ObjectiveHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_2">INVESTMENT GOAL</rr:ObjectiveHeading>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_37">Past performance (before and after taxes) does not guarantee future results.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:RiskLoseMoney contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_31">The principal risk of investing in the Value Plus Fund is that its share price and investment return will fluctuate, and you could lose money.</rr:RiskLoseMoney>
  <rr:RiskHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_29">PRINCIPAL RISKS OF INVESTING IN THE VALUE PLUS FUND</rr:RiskHeading>
  <rr:ShareholderFeesCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_6">SHAREHOLDER FEES (fees paid directly from your investment)</rr:ShareholderFeesCaption>
  <rr:ExpenseExampleByYearCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_19">Although your actual costs may be higher or lower, based on these assumptions your costs would be:</rr:ExpenseExampleByYearCaption>
  <rr:PortfolioTurnoverRate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_26">0.11</rr:PortfolioTurnoverRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_57">Actual after-tax returns depend on an investor&apos;s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:BarChartHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_38">TABLE I VALUE PLUS FUND - INVESTOR CLASS SHARES - YEAR-BY-YEAR TOTAL RETURNS</rr:BarChartHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_32">PAST PERFORMANCE</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceTableClosingTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_90">&lt;tt&gt;After-tax returns are calculated using the highest historical individual federal&lt;br /&gt;marginal income tax rates and do not reflect the impact of state and local&lt;br /&gt;taxes. Actual after-tax returns depend on an investor&apos;s tax situation and may&lt;br /&gt;differ from those shown, and after-tax returns shown are not relevant to&lt;br /&gt;investors who hold their Fund shares through tax-deferred arrangements, such as&lt;br /&gt;401(k) plans or individual retirement accounts. In addition, after-tax returns&lt;br /&gt;are shown only for Investor Class Shares, and after-tax returns for the&lt;br /&gt;Institutional Class Shares will vary.&lt;/tt&gt;</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_34">The following tables show historical performance of the Value Plus Fund and provide some indication of the risks of investing in the Fund.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:BarChartClosingTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_55">&lt;tt&gt;Best Quarter:&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Worst Quarter:&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&lt;br /&gt;2nd Quarter of 2003.... 23.86%&amp;#xA0;&amp;#xA0;3rd Quarter of 2011.... -22.84%&lt;/tt&gt;</rr:BarChartClosingTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_28">&lt;tt&gt;The Value Plus Fund invests primarily in a concentrated number (generally 40 to&lt;br /&gt;70) of small-capitalization equity securities selected on a value basis. A&lt;br /&gt;majority of its assets are generally invested in dividend-paying common stocks.&lt;br /&gt;The Fund primarily invests in companies with market capitalizations between&lt;br /&gt;$250 million and $4 billion at the time of purchase.&lt;br /&gt; &lt;br /&gt;The Fund utilizes Heartland Advisors&apos; disciplined and time-tested 10 Principles&lt;br /&gt;of Value InvestingTM framework to identify securities with the potential for&lt;br /&gt;appreciation and a potential margin of safety to limit downside risk.&lt;br /&gt; &lt;br /&gt;The Value Plus Fund is designed for investors who seek capital appreciation from&lt;br /&gt;small company stocks that may produce modest dividend income. It is designed for&lt;br /&gt;long-term investors who can tolerate the greater investment risk and market&lt;br /&gt;volatility associated with smaller companies, but want to manage these risks by&lt;br /&gt;investing in companies believed to be undervalued relative to their intrinsic&lt;br /&gt;value.&lt;/tt&gt;</rr:StrategyNarrativeTextBlock>
  <rr:RiskReturnHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_1">HEARTLAND VALUE PLUS FUND</rr:RiskReturnHeading>
  <rr:AverageAnnualReturnCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_59">TABLE II VALUE PLUS FUND - AVERAGE ANNUAL TOTAL RETURNS (FOR THE PERIODS ENDED 12/31/11)</rr:AverageAnnualReturnCaption>
  <rr:PortfolioTurnoverHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_24">PORTFOLIO TURNOVER</rr:PortfolioTurnoverHeading>
  <rr:RiskNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_30">&lt;tt&gt;The principal risk of investing in the Value Plus Fund is that its share price&lt;br /&gt;and investment return will fluctuate, and you could lose money. Because the Fund&lt;br /&gt;invests in value stocks, it is subject to the risk that their intrinsic values&lt;br /&gt;may never be recognized by the broad market or that their prices may decline.&lt;br /&gt; &lt;br /&gt;The Fund invests in a limited number of stocks (generally 40 to 70). Therefore,&lt;br /&gt;a change in the value of any single holding may have a more pronounced effect on&lt;br /&gt;the Fund&apos;s net asset value and performance than would be the case if it held&lt;br /&gt;more positions. This generally will increase the volatility of the Fund&apos;s share&lt;br /&gt;price and investment return.&lt;br /&gt; &lt;br /&gt;Investing in the equity securities of smaller companies generally involves a&lt;br /&gt;higher degree of risk than investing in the securities of larger companies. The&lt;br /&gt;prices of securities of smaller companies are generally more volatile than those&lt;br /&gt;of larger companies, and these securities generally will have less market&lt;br /&gt;liquidity and may be more likely to be adversely affected by poor economic or&lt;br /&gt;market conditions. These risks generally increase as the size of the companies&lt;br /&gt;decreases. There is no assurance that the income producing features of the&lt;br /&gt;securities in which the Fund invests will reduce the risks associated with&lt;br /&gt;investing in small companies or the Fund&apos;s volatility.&lt;/tt&gt;</rr:RiskNarrativeTextBlock>
  <rr:ExpenseHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_4">FEES AND EXPENSES OF THE VALUE PLUS FUND</rr:ExpenseHeading>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_58">In addition, after-tax returns are shown only for Investor Class Shares, and after-tax returns for the Institutional Class Shares will vary.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <rr:StrategyHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_27">PRINCIPAL INVESTMENT STRATEGIES OF THE VALUE PLUS FUND</rr:StrategyHeading>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_36">www.heartlandfunds.com</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_33">&lt;tt&gt;The following tables show historical performance of the Value Plus Fund and&lt;br /&gt;provide some indication of the risks of investing in the Fund. Table I shows how&lt;br /&gt;the total returns before taxes for the Fund&apos;s Investor Class Shares have varied&lt;br /&gt;from year to year for the past 10 years. Table II shows how the Fund&apos;s average&lt;br /&gt;annual total returns compare to those of two different securities market&lt;br /&gt;indices. Performance information for the Institutional Class Shares prior to May&lt;br /&gt;1, 2008 is based on the performance of the Investor Class. Past performance&lt;br /&gt;(before and after taxes) does not guarantee future results. Recent performance&lt;br /&gt;information for the Fund is available on the Fund&apos;s website at&lt;br /&gt;www.heartlandfunds.com or by calling 1-800-432-7856.&lt;/tt&gt;</rr:PerformanceNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_5">&lt;tt&gt;This table describes the fees and expenses that you may pay if you buy and hold&lt;br /&gt;Investor or Institutional Class Shares of the Value Plus Fund.&lt;/tt&gt;</rr:ExpenseNarrativeTextBlock>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_94">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/OperatingExpensesData_S000003524Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:PerformanceAvailabilityPhone contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_35">1-800-432-7856</rr:PerformanceAvailabilityPhone>
  <rr:OperatingExpensesCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_12">ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:PortfolioTurnoverTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_25">&lt;tt&gt;The Value Plus Fund pays transaction costs, such as commissions, when it buys&lt;br /&gt;and sells securities (or "turns over" its portfolio). A higher portfolio&lt;br /&gt;turnover rate may indicate higher transaction costs and may result in higher&lt;br /&gt;taxes when Fund shares are held in a taxable account. These costs, which are not&lt;br /&gt;reflected in annual fund operating expenses or in the example, affect the Fund&apos;s&lt;br /&gt;performance. During the most recent fiscal year, the Fund&apos;s portfolio turnover&lt;br /&gt;rate was 11% of the average value of its portfolio.&lt;/tt&gt;</rr:PortfolioTurnoverTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_93">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/ExpenseExample_S000003524Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_91">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/BarChartData_S000003524Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_3">&lt;tt&gt;The Value Plus Fund seeks long-term capital appreciation and modest current&lt;br /&gt;income.&lt;/tt&gt;</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1001_18">&lt;tt&gt;This Example is intended to help you compare the cost of investing in&lt;br /&gt;the Value Plus Fund with the cost of investing in other mutual funds. The&lt;br /&gt;Example assumes that you invest $10,000 in the Fund for the time periods&lt;br /&gt;indicated and then redeem all of your shares at the end of those periods. The&lt;br /&gt;Example also assumes that your investment has a 5% return each year and that the&lt;br /&gt;Fund&apos;s operating expenses remain the same.&lt;/tt&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <dei:TradingSymbol contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_0">HNVIX</dei:TradingSymbol>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_64">0.1079</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_65">1993-10-26</rr:AverageAnnualReturnInceptionDate>
  <rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_8">0.00</rr:MaximumDeferredSalesChargeOverOfferingPrice>
  <rr:ExpenseExampleYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_23">1072</rr:ExpenseExampleYear10>
  <rr:RedemptionFeeOverRedemption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_10">-0.02</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_22">482</rr:ExpenseExampleYear05>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_61">-0.0507</rr:AverageAnnualReturnYear01>
  <rr:OtherExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_15">0.0017</rr:OtherExpensesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_13">0.0070</rr:ManagementFeesOverAssets>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_62">0.0596</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_60">Return Before Taxes</rr:AverageAnnualReturnLabel>
  <rr:ExpenseExampleYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_20">89</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_21">277</rr:ExpenseExampleYear03>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_9">0.00</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_14">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_63">0.1027</rr:AverageAnnualReturnYear10>
  <rr:ExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_16">0.0087</rr:ExpensesOverAssets>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_7">0.00</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExchangeFee contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996406" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1003_11">0</rr:ExchangeFee>
  <dei:TradingSymbol contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_0">HRVIX</dei:TradingSymbol>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_64">0.1072</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_65">1993-10-26</rr:AverageAnnualReturnInceptionDate>
  <rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_8">0.00</rr:MaximumDeferredSalesChargeOverOfferingPrice>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_54">2011-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:AnnualReturn2002 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_39">-0.0379</rr:AnnualReturn2002>
  <rr:BarChartLowestQuarterlyReturn contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_53">-0.2284</rr:BarChartLowestQuarterlyReturn>
  <rr:AnnualReturn2004 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_41">0.1698</rr:AnnualReturn2004>
  <rr:AnnualReturn2010 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="3" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_47">0.285</rr:AnnualReturn2010>
  <rr:ExpenseExampleYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_23">1408</rr:ExpenseExampleYear10>
  <rr:RedemptionFeeOverRedemption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_10">-0.02</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_22">638</rr:ExpenseExampleYear05>
  <rr:AnnualReturn2007 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_44">0.0473</rr:AnnualReturn2007>
  <rr:BarChartHighestQuarterlyReturn contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_50">0.2386</rr:BarChartHighestQuarterlyReturn>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_61">-0.0537</rr:AverageAnnualReturnYear01>
  <rr:OtherExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_15">0.0021</rr:OtherExpensesOverAssets>
  <rr:AnnualReturn2008 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_45">-0.1788</rr:AnnualReturn2008>
  <rr:ManagementFeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_13">0.0070</rr:ManagementFeesOverAssets>
  <rr:AnnualReturn2009 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_46">0.2637</rr:AnnualReturn2009>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_62">0.0574</rr:AverageAnnualReturnYear05>
  <rr:AnnualReturn2005 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_42">0.0134</rr:AnnualReturn2005>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_60">Return Before Taxes</rr:AverageAnnualReturnLabel>
  <rr:ExpenseExampleYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_20">118</rr:ExpenseExampleYear01>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_51">2003-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:ExpenseExampleYear03 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_21">368</rr:ExpenseExampleYear03>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_9">0.00</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:AnnualReturn2003 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_40">0.5356</rr:AnnualReturn2003>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_14">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_63">0.1015</rr:AverageAnnualReturnYear10>
  <rr:ExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_16">0.0116</rr:ExpensesOverAssets>
  <rr:AnnualReturn2006 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_43">0.1363</rr:AnnualReturn2006>
  <rr:AnnualReturn2011 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_48">-0.0537</rr:AnnualReturn2011>
  <rr:LowestQuarterlyReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_52">Worst Quarter:</rr:LowestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_49">Best Quarter:</rr:HighestQuarterlyReturnLabel>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="pure" decimals="2" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_7">0.00</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExchangeFee contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409" unitRef="iso4217_USD" decimals="0" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_1002_11">0</rr:ExchangeFee>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429483" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_4002_76">0.0896</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429483" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_4002_77">1993-10-26</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429483" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_4002_73">-0.0315</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429483" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_4002_74">0.0480</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429483" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_4002_72">Return After Taxes on Distributions and Sale of Fund Shares </rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429483" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_4002_75">0.0889</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429511" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_5002_70">0.0939</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429511" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_5002_71">1993-10-26</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429511" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_5002_67">-0.0562</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429511" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_5002_68">0.0495</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429511" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_5002_66">Return After Taxes on Distributions </rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429423x-9996409_429555x429511" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_5002_69">0.0943</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998694" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_2001_88">0.0750</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998694" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_2001_89">1993-10-26</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998694" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_2001_85">-0.0418</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998694" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_2001_86">0.0015</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998694" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_2001_84">Russell 2000 Index (reflects no deduction for fees, expenses or taxes)</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998694" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_2001_87">0.0562</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998778" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_3001_82">0.0907</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998778" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_3001_83">1993-10-26</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998778" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_3001_79">-0.0550</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998778" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_3001_80">-0.0187</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998778" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_3001_78">Russell 2000 Value Index (reflects no deduction for fees, expenses or taxes)</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996403_396840x-9986497_429555x-9998778" unitRef="pure" decimals="4" id="id_22307_431B98A6-CF65-4566-B730-1A00FABC5063_3001_81">0.0640</rr:AverageAnnualReturnYear10>
  <rr:PerformanceTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_95">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/PerformanceTableData_S000003523Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * column rr_PerformanceMeasureAxis compact * row primary compact *  ~&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:ShareholderFeesTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_92">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/ShareholderFeesData_S000003523Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:ShareholderFeesTableTextBlock>
  <rr:ExpenseExampleHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_17">EXAMPLE.</rr:ExpenseExampleHeading>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_56">After-tax returns are calculated using the highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:ObjectiveHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_2">INVESTMENT GOAL</rr:ObjectiveHeading>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_37">Past performance (before and after taxes) does not guarantee future results.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:RiskLoseMoney contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_31">The principal risk of investing in the Value Fund is that its share price and investment return will fluctuate, and you could lose money.</rr:RiskLoseMoney>
  <rr:RiskHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_29">PRINCIPAL RISKS OF INVESTING IN THE VALUE FUND</rr:RiskHeading>
  <rr:ShareholderFeesCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_6">SHAREHOLDER FEES (fees paid directly from your investment)</rr:ShareholderFeesCaption>
  <rr:ExpenseExampleByYearCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_19">Although your actual costs may be higher or lower, based on these assumptions your costs would be:</rr:ExpenseExampleByYearCaption>
  <rr:PortfolioTurnoverRate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_26">0.25</rr:PortfolioTurnoverRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_57">Actual after-tax returns depend on an investor&apos;s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:BarChartHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_38">TABLE I VALUE FUND - INVESTOR CLASS SHARES - YEAR-BY-YEAR TOTAL RETURNS</rr:BarChartHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_32">PAST PERFORMANCE</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceTableClosingTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_90">&lt;tt&gt;After-tax returns are calculated using the highest historical individual federal&lt;br /&gt;marginal income tax rates and do not reflect the impact of state and local&lt;br /&gt;taxes. Actual after-tax returns depend on an investor&apos;s tax situation and may&lt;br /&gt;differ from those shown, and after-tax returns shown are not relevant to&lt;br /&gt;investors who hold their Fund shares through tax-deferred arrangements, such as&lt;br /&gt;401(k) plans or individual retirement accounts. In addition, after-tax returns&lt;br /&gt;are shown only for Investor Class Shares and after-tax returns for the&lt;br /&gt;Institutional Class Shares will vary.&lt;/tt&gt;</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_34">The following tables show historical performance of the Value Fund and provide some indication of the risks of investing in the Fund.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:BarChartClosingTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_55">&lt;tt&gt;Best Quarter:&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Worst Quarter:&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;&lt;br /&gt;2nd Quarter of 2003....35.42% 4th Quarter of 2008....-26.76%&lt;/tt&gt;</rr:BarChartClosingTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_28">&lt;tt&gt;The Value Fund invests primarily in common stocks of small companies with market&lt;br /&gt;capitalizations of less than $1.5 billion selected on a value basis, and may&lt;br /&gt;invest a significant portion of its assets in micro-capitalization securities,&lt;br /&gt;i.e., those with market capitalizations of less than $300 million at the time of&lt;br /&gt;purchase.&lt;br /&gt;&lt;br /&gt;The Fund utilizes Heartland Advisors&apos; disciplined and time-tested 10 Principles&lt;br /&gt;of Value InvestingTM framework to identify securities with the potential for&lt;br /&gt;appreciation and a potential margin of safety to limit downside risk.&lt;br /&gt;&lt;br /&gt;The Value Fund is designed for investors who seek long-term capital appreciation&lt;br /&gt;from small company stocks. It is designed for investors who can tolerate the&lt;br /&gt;greater investment risk and market volatility associated with smaller companies,&lt;br /&gt;but want to manage these risks by investing in companies believed to be&lt;br /&gt;undervalued relative to their intrinsic value.&lt;/tt&gt;</rr:StrategyNarrativeTextBlock>
  <rr:RiskReturnHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_1">HEARTLAND VALUE FUND</rr:RiskReturnHeading>
  <rr:AverageAnnualReturnCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_59">TABLE II VALUE FUND - AVERAGE ANNUAL TOTAL RETURNS (FOR THE PERIODS ENDED 12/31/11)</rr:AverageAnnualReturnCaption>
  <rr:PortfolioTurnoverHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_24">PORTFOLIO TURNOVER</rr:PortfolioTurnoverHeading>
  <rr:RiskNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_30">&lt;tt&gt;The principal risk of investing in the Value Fund is that its share price and&lt;br /&gt;investment return will fluctuate, and you could lose money. Because the Fund&lt;br /&gt;invests in value stocks, it is subject to the risk that their intrinsic values&lt;br /&gt;may never be recognized by the broad market or that their prices may decline.&lt;br /&gt; &lt;br /&gt;Investing in the equity securities of smaller companies generally involves a&lt;br /&gt;higher degree of risk than investing in the securities of larger companies. The&lt;br /&gt;prices of securities of smaller companies are generally more volatile than those&lt;br /&gt;of larger companies, and these securities generally will have less market&lt;br /&gt;liquidity and may be more likely to be adversely affected by poor economic or&lt;br /&gt;market conditions. These risks generally increase as the size of the companies&lt;br /&gt;decrease.&lt;/tt&gt;</rr:RiskNarrativeTextBlock>
  <rr:ExpenseHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_4">FEES AND EXPENSES OF THE VALUE FUND</rr:ExpenseHeading>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_58">In addition, after-tax returns are shown only for Investor Class Shares and after-tax returns for the Institutional Class Shares will vary.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <rr:StrategyHeading contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_27">PRINCIPAL INVESTMENT STRATEGIES OF THE VALUE FUND</rr:StrategyHeading>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_36">www.heartlandfunds.com</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_33">&lt;tt&gt;The following tables show historical performance of the Value Fund and provide&lt;br /&gt;some indication of the risks of investing in the Fund. Table I shows how the&lt;br /&gt;total returns before taxes for the Fund&apos;s Investor Class Shares have varied from&lt;br /&gt;year to year for the past 10 years. Table II shows how the Fund&apos;s average annual&lt;br /&gt;total returns compare to those of two different securities market indices.&lt;br /&gt;Performance information for the Institutional Class Shares prior to May 1, 2008&lt;br /&gt;is based on the performance of the Investor Class. Past performance (before and&lt;br /&gt;after taxes) does not guarantee future results. Recent performance information&lt;br /&gt;for the Fund is available on the Fund&apos;s website at www.heartlandfunds.com or by&lt;br /&gt;calling 1-800-432-7856.&lt;/tt&gt;</rr:PerformanceNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_5">&lt;tt&gt;This table describes the fees and expenses that you may pay if you buy and hold&lt;br /&gt;Investor or Institutional Class Shares of the Value Fund.&lt;/tt&gt;</rr:ExpenseNarrativeTextBlock>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_94">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/OperatingExpensesData_S000003523Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:PerformanceAvailabilityPhone contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_35">1-800-432-7856</rr:PerformanceAvailabilityPhone>
  <rr:OperatingExpensesCaption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_12">ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:PortfolioTurnoverTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_25">&lt;tt&gt;The Value Fund pays transaction costs, such as commissions, when it buys and&lt;br /&gt;sells securities (or "turns over" its portfolio). A higher portfolio turnover&lt;br /&gt;rate may indicate higher transaction costs and may result in higher taxes when&lt;br /&gt;Fund shares are held in a taxable account. These costs, which are not reflected&lt;br /&gt;in annual fund operating expenses or in the example, affect the Fund&apos;s&lt;br /&gt;performance. During the most recent fiscal year, the Fund&apos;s portfolio turnover&lt;br /&gt;rate was 25% of the average value of its portfolio.&lt;/tt&gt;</rr:PortfolioTurnoverTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_93">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/ExpenseExample_S000003523Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_91">&lt;div style="display:none"&gt;~ http://www.heartlandfunds.com/role/BarChartData_S000003523Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact *  ~&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_3">&lt;tt&gt;The Value Fund seeks long-term capital appreciation through investing in small&lt;br /&gt;companies.&lt;/tt&gt;</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1001_18">&lt;tt&gt;This Example is intended to help you compare the cost of investing in&lt;br /&gt;the Value Fund with the cost of investing in other mutual funds. The Example&lt;br /&gt;assumes that you invest $10,000 in the Fund for the time periods indicated and&lt;br /&gt;then redeem all of your shares at the end of those periods. The Example also&lt;br /&gt;assumes that your investment has a 5% return each year and that the Fund&apos;s&lt;br /&gt;operating expenses remain the same.&lt;/tt&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <dei:TradingSymbol contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_0">HNTVX</dei:TradingSymbol>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_64">0.1241</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_65">1984-12-28</rr:AverageAnnualReturnInceptionDate>
  <rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_8">0.00</rr:MaximumDeferredSalesChargeOverOfferingPrice>
  <rr:ExpenseExampleYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_23">1119</rr:ExpenseExampleYear10>
  <rr:RedemptionFeeOverRedemption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_10">-0.02</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_22">504</rr:ExpenseExampleYear05>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_61">-0.0673</rr:AverageAnnualReturnYear01>
  <rr:OtherExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_15">0.0016</rr:OtherExpensesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_13">0.0075</rr:ManagementFeesOverAssets>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_62">-0.0123</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_60">Return Before Taxes</rr:AverageAnnualReturnLabel>
  <rr:ExpenseExampleYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_20">93</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_21">290</rr:ExpenseExampleYear03>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_9">0.00</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_14">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_63">0.0727</rr:AverageAnnualReturnYear10>
  <rr:ExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_16">0.0091</rr:ExpensesOverAssets>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_7">0.00</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExchangeFee contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996407" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1003_11">0</rr:ExchangeFee>
  <dei:TradingSymbol contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_0">HRTVX</dei:TradingSymbol>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_64">0.1237</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_65">1984-12-28</rr:AverageAnnualReturnInceptionDate>
  <rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_8">0.00</rr:MaximumDeferredSalesChargeOverOfferingPrice>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_54">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:AnnualReturn2002 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_39">-0.1149</rr:AnnualReturn2002>
  <rr:BarChartLowestQuarterlyReturn contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_53">-0.2676</rr:BarChartLowestQuarterlyReturn>
  <rr:AnnualReturn2004 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_41">0.0911</rr:AnnualReturn2004>
  <rr:AnnualReturn2010 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_47">0.2128</rr:AnnualReturn2010>
  <rr:ExpenseExampleYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_23">1339</rr:ExpenseExampleYear10>
  <rr:RedemptionFeeOverRedemption contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_10">-0.02</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_22">606</rr:ExpenseExampleYear05>
  <rr:AnnualReturn2007 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_44">-0.0553</rr:AnnualReturn2007>
  <rr:BarChartHighestQuarterlyReturn contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_50">0.3542</rr:BarChartHighestQuarterlyReturn>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_61">-0.0692</rr:AverageAnnualReturnYear01>
  <rr:OtherExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_15">0.0010</rr:OtherExpensesOverAssets>
  <rr:AnnualReturn2008 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_45">-0.3953</rr:AnnualReturn2008>
  <rr:ManagementFeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_13">0.0075</rr:ManagementFeesOverAssets>
  <rr:AnnualReturn2009 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_46">0.4449</rr:AnnualReturn2009>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_62">-0.0140</rr:AverageAnnualReturnYear05>
  <rr:AnnualReturn2005 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_42">0.0199</rr:AnnualReturn2005>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_60">Return Before Taxes </rr:AverageAnnualReturnLabel>
  <rr:ExpenseExampleYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_20">112</rr:ExpenseExampleYear01>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_51">2003-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:ExpenseExampleYear03 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_21">350</rr:ExpenseExampleYear03>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_9">0.00</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:AnnualReturn2003 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_40">0.7016</rr:AnnualReturn2003>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_14">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_63">0.0717</rr:AverageAnnualReturnYear10>
  <rr:ExpensesOverAssets contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_16">0.0110</rr:ExpensesOverAssets>
  <rr:AnnualReturn2006 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_43">0.2802</rr:AnnualReturn2006>
  <rr:AnnualReturn2011 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_48">-0.0692</rr:AnnualReturn2011>
  <rr:LowestQuarterlyReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_52"> Worst Quarter:</rr:LowestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_49">Best Quarter:</rr:HighestQuarterlyReturnLabel>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="pure" decimals="2" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_7">0.00</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExchangeFee contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410" unitRef="iso4217_USD" decimals="0" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_1002_11">0</rr:ExchangeFee>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429483" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_4002_76">0.1042</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429483" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_4002_77">1984-12-28</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnYear01 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429483" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_4002_73">-0.0346</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429483" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_4002_74">-0.0122</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnLabel contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429483" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_4002_72">Return After Taxes on Distributions and Sale of Fund Shares </rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnYear10 contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429483" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_4002_75">0.0605</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception contextRef="eol_0001144204-12-024687_STD_1_20120501_0_396770x-9996404_396840x-9986498_429423x-9996410_429555x429511" unitRef="pure" decimals="4" id="id_22307_12D1898E-D8CD-4CAA-9A32-DC7663D25BFD_5002_70">0.1056</rr:AverageAnnualReturnSinceInception>
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