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    </context>
    <context id="AsOf2025-06-30_custom_C000013026Member_custom_CommunicationServicesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001162127</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">bluechip:C000013026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">bluechip:CommunicationServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-06-30</instant>
        </period>
    </context>
    <context id="AsOf2025-06-30_custom_C000013026Member_custom_ConsumerStaplesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001162127</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">bluechip:C000013026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">bluechip:ConsumerStaplesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-06-30</instant>
        </period>
    </context>
    <context id="AsOf2025-06-30_custom_C000013026Member_custom_EnergyMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001162127</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">bluechip:C000013026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">bluechip:EnergyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-06-30</instant>
        </period>
    </context>
    <context id="AsOf2025-06-30_custom_C000013026Member_custom_NetAssetsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001162127</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">bluechip:C000013026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">bluechip:NetAssetsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-06-30</instant>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <unit id="USDPShares">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <unit id="Ratio">
        <measure>pure</measure>
    </unit>
    <dei:AmendmentFlag contextRef="From2025-01-01to2025-06-30" id="Fact000003">false</dei:AmendmentFlag>
    <dei:DocumentType contextRef="From2025-01-01to2025-06-30" id="Fact000004">N-CSRS</dei:DocumentType>
    <dei:EntityInvCompanyType contextRef="From2025-01-01to2025-06-30" id="Fact000005">N-1A</dei:EntityInvCompanyType>
    <dei:EntityRegistrantName contextRef="From2025-01-01to2025-06-30" id="Fact000006">BLUE CHIP INVESTOR FUNDS</dei:EntityRegistrantName>
    <dei:EntityCentralIndexKey contextRef="From2025-01-01to2025-06-30" id="Fact000007">0001162127</dei:EntityCentralIndexKey>
    <oef:FundName
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000013">Blue Chip Investor Fund</oef:FundName>
    <oef:ClassName
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000014">Blue Chip Investor Fund</oef:ClassName>
    <dei:TradingSymbol
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000015">BCIFX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000016">This &lt;span id="xdx_90E_eoef--ShareholderReportAnnualOrSemiAnnual_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zlsvsmoNetN8"&gt;semi-annual shareholder report&lt;/span&gt; contains important information about the Blue Chip Investor Fund ("Fund") for the period of January 1, 2025 to &lt;span id="xdx_907_edei--DocumentPeriodEndDate_c20250101__20250630_zjvA6UQCZBF4"&gt;June 30, 2025&lt;/span&gt;.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000017">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <dei:DocumentPeriodEndDate contextRef="From2025-01-01to2025-06-30" id="Fact000018">2025-06-30</dei:DocumentPeriodEndDate>
    <oef:AddlInfoTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000019">You can find additional information about the Fund at &lt;span id="xdx_905_eoef--AddlInfoWebsite_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zafOjefLJYoS"&gt;&lt;span class="NoBreak"&gt; https://www.bcifx.com/literature&lt;/span&gt;&lt;/span&gt;. You can also request this information by contacting us at &lt;span id="xdx_90B_eoef--AddlInfoPhoneNumber_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zptkNYwYTeRN"&gt;&lt;span class="NoBreak"&gt;1-877-673-3119&lt;/span&gt;&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000020">https://www.bcifx.com/literature</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000021">1-877-673-3119</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000022">
      &lt;div class="section-header" style="font-weight: bold"&gt;What were the Fund costs for the last six months?&lt;/div&gt;
      &lt;div class="section-subheader" style="margin-bottom: 8px; font-style: normal; font-weight: bold"&gt;&lt;em&gt;(based on a hypothetical $10,000 investment)&lt;/em&gt;&lt;/div&gt;
      &lt;div class="section-body" style="margin-bottom: 8px"&gt;&lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid"&gt;
                    &lt;tr class="header-row" style="background-color: Gainsboro"&gt;
                    &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px; text-align: left"&gt;Fund&lt;/th&gt;
                    &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;
                        Costs of a $10,000 Investment
                    &lt;/th&gt;
                    &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;
                        Costs Paid as a Percentage of a $10,000 Investment
                    &lt;/th&gt;
                    &lt;/tr&gt;
					&lt;tr&gt;
                        &lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;Blue Chip Investor Fund&lt;/td&gt;
                        &lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_905_eoef--ExpensesPaidAmt_pp2d_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zXSGacolY32b"&gt;$50&lt;sup&gt;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
                        &lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_909_eoef--ExpenseRatioPct_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zBjfUUA5jPVX"&gt;1.00%&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
                    &lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;
    </oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      decimals="2"
      id="Fact000023"
      unitRef="USD">50</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      decimals="INF"
      id="Fact000024"
      unitRef="Ratio">0.0100</oef:ExpenseRatioPct>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000025">The Fund's past performance is not a good predictor of the Fund's future performance.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:NoDeductionOfTaxesTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000026">&lt;em&gt;&lt;i&gt;The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.&lt;/i&gt;&lt;/em&gt;</oef:NoDeductionOfTaxesTextBlock>
    <oef:LineGraphAndTableMeasureName
      contextRef="From2016-07-012025-06-30_custom_C000013026Member"
      id="Fact000027">Blue Chip Investor Fund</oef:LineGraphAndTableMeasureName>
    <oef:LineGraphAndTableMeasureName
      contextRef="From2016-07-012025-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      id="Fact000028">S&amp;P 500</oef:LineGraphAndTableMeasureName>
    <oef:AccmVal
      contextRef="From2016-06-302016-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000029"
      unitRef="USD">10665</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-06-302016-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000030"
      unitRef="USD">10399</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012017-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000031"
      unitRef="USD">12299</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012017-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000032"
      unitRef="USD">12260</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012018-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000033"
      unitRef="USD">13465</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012018-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000034"
      unitRef="USD">14023</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012019-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000035"
      unitRef="USD">13153</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012019-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000036"
      unitRef="USD">15483</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012020-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000037"
      unitRef="USD">11313</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012020-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000038"
      unitRef="USD">16645</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012021-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000039"
      unitRef="USD">17664</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012021-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000040"
      unitRef="USD">23436</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012022-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000041"
      unitRef="USD">14996</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012022-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000042"
      unitRef="USD">20948</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012023-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000043"
      unitRef="USD">17258</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012023-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000044"
      unitRef="USD">25053</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012024-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000045"
      unitRef="USD">20168</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012024-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000046"
      unitRef="USD">31204</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012025-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000047"
      unitRef="USD">22112</oef:AccmVal>
    <oef:AccmVal
      contextRef="From2016-07-012025-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="0"
      id="Fact000048"
      unitRef="USD">35936</oef:AccmVal>
    <oef:LineGraphTableTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000049">&lt;img alt="Ad2 Performance Graph" src="fp0094693-3_sa51.jpg" style="width: 348px; height: 300px"/&gt;</oef:LineGraphTableTextBlock>
    <oef:AvgAnnlRtrTableTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000050">
      &lt;div class="section-header" style="font-weight: bold"&gt;Average Annual Total Returns&lt;/div&gt;
      &lt;div class="section-subheader" style="font-style: italic; margin-bottom: 8px"&gt;&lt;/div&gt;
      &lt;div class="section-body" style="margin-bottom: 8px"&gt;&lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid"&gt;
                            &lt;tr class="header-row" style="background-color: Gainsboro"&gt;&lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px; text-align: left"&gt;&lt;/th&gt;&lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;One Year&lt;/th&gt;&lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;Five Years&lt;/th&gt;&lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;Ten Years&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;
                            &lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;
                    Blue Chip Investor Fund&lt;/td&gt;&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;
                                &lt;span id="xdx_90B_eoef--AvgAnnlRtrPct_c20240701__20250630__oef--ClassAxis__custom--C000013026Member_zwImw4ooKAKJ"&gt;9.64%&lt;/span&gt;&lt;sup&gt;&lt;/sup&gt;
                               &lt;/td&gt;
                            &lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;
                                &lt;span id="xdx_90B_eoef--AvgAnnlRtrPct_c20200701__20250630__oef--ClassAxis__custom--C000013026Member_zqsxb5e2zD4L"&gt;14.34%&lt;/span&gt;&lt;sup&gt;&lt;/sup&gt;
                               &lt;/td&gt;
                            &lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;
                                &lt;span id="xdx_90B_eoef--AvgAnnlRtrPct_c20150701__20250630__oef--ClassAxis__custom--C000013026Member_zCnnat8ZOuyq"&gt;8.26%&lt;/span&gt;&lt;sup&gt;&lt;/sup&gt;
                               &lt;/td&gt;
                            &lt;/tr&gt;&lt;tr style="background-color: Gainsboro"&gt;
                            &lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;
                    S&amp;amp;P 500&lt;/td&gt;&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;
                                &lt;span id="xdx_90D_eoef--AvgAnnlRtrPct_c20240701__20250630__oef--BroadBasedIndexAxis__custom--BlueChipInvestorFundBlueChipInvestorFundSampP500Member_zKSsZeRVYsH7"&gt;15.16%&lt;/span&gt;&lt;sup&gt;&lt;/sup&gt;
                               &lt;/td&gt;
                            &lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;
                                &lt;span id="xdx_90E_eoef--AvgAnnlRtrPct_c20200701__20250630__oef--BroadBasedIndexAxis__custom--BlueChipInvestorFundBlueChipInvestorFundSampP500Member_zHdILh0iG0WG"&gt;16.64%&lt;/span&gt;&lt;sup&gt;&lt;/sup&gt;
                               &lt;/td&gt;
                            &lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;
                                &lt;span id="xdx_904_eoef--AvgAnnlRtrPct_c20150701__20250630__oef--BroadBasedIndexAxis__custom--BlueChipInvestorFundBlueChipInvestorFundSampP500Member_zYK4fSPgto9b"&gt;13.65%&lt;/span&gt;&lt;sup&gt;&lt;/sup&gt;
                               &lt;/td&gt;
                            &lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;
    </oef:AvgAnnlRtrTableTextBlock>
    <oef:AvgAnnlRtrPct
      contextRef="From2024-07-012025-06-30_custom_C000013026Member"
      decimals="INF"
      id="Fact000051"
      unitRef="Ratio">0.0964</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="From2020-07-012025-06-30_custom_C000013026Member"
      decimals="INF"
      id="Fact000052"
      unitRef="Ratio">0.1434</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="From2015-07-012025-06-30_custom_C000013026Member"
      decimals="INF"
      id="Fact000053"
      unitRef="Ratio">0.0826</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="From2024-07-012025-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="INF"
      id="Fact000054"
      unitRef="Ratio">0.1516</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="From2020-07-012025-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="INF"
      id="Fact000055"
      unitRef="Ratio">0.1664</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="From2015-07-012025-06-30_custom_BlueChipInvestorFundBlueChipInvestorFundSampP500Member"
      decimals="INF"
      id="Fact000056"
      unitRef="Ratio">0.1365</oef:AvgAnnlRtrPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000057">
      &lt;div class="section-header" style="font-weight: bold"&gt;Fund Statistics&lt;/div&gt;
      &lt;div class="section-subheader" style="font-style: italic; margin-bottom: 8px"&gt;&lt;/div&gt;
      &lt;div class="section-body" style="margin-bottom: 8px"&gt;
        &lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid"&gt;
          &lt;tr style="background-color: Gainsboro"&gt;
                            &lt;td class="table-label" style="text-align: left"&gt;Net Assets ($)&lt;/td&gt;
                            &lt;td class="table-value" style="text-align: center; width: 15%"&gt;&lt;span id="xdx_903_eus-gaap--AssetsNet_iI_uUSD_c20250630__oef--ClassAxis__custom--C000013026Member_zX1SVD0OekDi"&gt;$42,143,722&lt;/span&gt;&lt;/td&gt;
                        &lt;/tr&gt;
                        &lt;tr&gt;
                            &lt;td class="table-label" style="text-align: left"&gt;Number of Portfolio Holdings&lt;/td&gt;
                            &lt;td class="table-value" style="text-align: center; width: 15%"&gt;&lt;span id="xdx_908_eoef--HoldingsCount_iI_uShares_c20250630__oef--ClassAxis__custom--C000013026Member_zVDueLKt52ZL"&gt;16&lt;/span&gt;&lt;/td&gt;
                        &lt;/tr&gt;
                        &lt;tr style="background-color: Gainsboro"&gt;
                            &lt;td class="table-label" style="text-align: left"&gt;Portfolio Turnover Rate (%)&lt;/td&gt;
                            &lt;td class="table-value" style="text-align: center; width: 15%"&gt;&lt;span id="xdx_90B_eus-gaap--InvestmentCompanyPortfolioTurnover_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_z1ZCMvbFdeXK"&gt;0%&lt;/span&gt;&lt;/td&gt;
                        &lt;/tr&gt;
                        &lt;tr&gt;
                            &lt;td class="table-label" style="text-align: left"&gt;Total Advisory Fees Paid ($)&lt;/td&gt;
                            &lt;td class="table-value" style="text-align: center; width: 15%"&gt;&lt;span id="xdx_90D_eoef--AdvisoryFeesPaidAmt_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zO3k66btciaS"&gt;$126,189&lt;/span&gt;&lt;/td&gt;
                        &lt;/tr&gt; &lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-label" style="text-align: left"&gt;

                Total Advisory Fees Before Waiver ($)
						&lt;/td&gt;
						&lt;td class="table-value" style="text-align: center; width: 15%"&gt;

                $204,412
						&lt;/td&gt;
					&lt;/tr&gt;

        &lt;/table&gt;
      &lt;/div&gt;
    </oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="AsOf2025-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000058"
      unitRef="USD">42143722</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="AsOf2025-06-30_custom_C000013026Member"
      decimals="INF"
      id="Fact000059"
      unitRef="Shares">16</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      decimals="INF"
      id="Fact000060"
      unitRef="Ratio">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:AdvisoryFeesPaidAmt
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      decimals="0"
      id="Fact000061"
      unitRef="USD">126189</oef:AdvisoryFeesPaidAmt>
    <oef:HoldingsTableTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000062">
    &lt;div class="section" style="break-inside: avoid; margin-bottom: 8px"&gt;
      &lt;div class="section-header" style="font-weight: bold"&gt;What did the Fund invest in?&lt;/div&gt;
      &lt;div class="section-subheader" style="font-style: italic; margin-bottom: 8px"&gt;&lt;/div&gt;
      &lt;div class="section" style="break-inside: avoid; margin-bottom: 8px"&gt;
        &lt;div id="xdx_989_eoef--LargestHoldingsTableTextBlock_c20250101__20250630__oef--ClassAxis__custom--C000013026Member_zE1AWns9wAFR"&gt;
          &lt;div class="section-header centered" style="font-weight: bold; display: flex; align-items: center; justify-content: center; text-align: center"&gt;Top Ten Holdings (% of Net Assets)&lt;/div&gt;
          &lt;div class="section-subheader centered" style="font-style: italic; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; text-align: center"&gt;&lt;/div&gt;
          &lt;div class="section-body graph" style="margin-bottom: 8px"&gt;&lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid"&gt;
                        &lt;tr class="header-row" style="background-color: Gainsboro"&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px; text-align: left"&gt;
                 &lt;/th&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;&lt;/th&gt;
                        &lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Berkshire Hathaway Inc. - Class A
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_900_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--BerkshireHathawayIncClassAMember_zcLUDH1cP9Mm"&gt;25.94%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    AerCap Holdings N.V.
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_901_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--AerCapHoldingsNVMember_zotl6vOjjSij"&gt;10.22%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Alphabet Inc. - Class C
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_908_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--AlphabetIncClassCMember_z94lwBBBUjVr"&gt;9.26%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Markel Group, Inc.
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_906_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--MarkelGroupIncMember_zmInPz8UFYmE"&gt;8.29%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Brookfield Corporation - Class A
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90F_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--BrookfieldCorporationClassAMember_zNP0wotdFv1a"&gt;7.94%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    LKQ Corporation
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90C_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--LKQCorporationMember_z6m33Rey02r5"&gt;5.44%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    The Walt Disney Company
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90C_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--TheWaltDisneyCompanyMember_zQLo2jZN2N8f"&gt;5.00%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    First Citizens BancShares, Inc. - Class A
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90E_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--FirstCitizensBancSharesIncClassAMember_zd4gooItRHVs"&gt;4.64%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Goldman Sachs Financial Square Government Fund Institutional Class
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_907_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--GoldmanSachsFinancialSquareGovernmentFundInstitutionalClassMember_zrRDwOhqEQd8"&gt;4.10%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    CarMax, Inc.
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_906_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--CarMaxIncMember_zHrkBKOB06io"&gt;3.83%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;
                    &lt;/table&gt;&lt;/div&gt;
          &lt;div class="section-body" style="margin-bottom: 8px"&gt;&lt;/div&gt;
        &lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;
    &lt;div class="section" style="break-inside: avoid; margin-bottom: 8px"&gt;
      &lt;div class="section-header centered" style="font-weight: bold; display: flex; align-items: center; justify-content: center; text-align: center"&gt;&lt;/div&gt;
      &lt;div class="section-subheader centered" style="font-style: italic; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; text-align: center"&gt;&lt;/div&gt;
      &lt;div class="section-body graph" style="margin-bottom: 8px"&gt;&lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid; display: none"&gt;
                        &lt;tr class="header-row" style="background-color: Gainsboro"&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px; text-align: left"&gt;
                &lt;/th&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;&lt;/th&gt;
                        &lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;


						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;/td&gt;
					&lt;/tr&gt;
                    &lt;/table&gt;&lt;/div&gt;
      &lt;div class="section-body" style="margin-bottom: 8px"&gt;&lt;/div&gt;
    &lt;/div&gt;
    &lt;div class="section" style="break-inside: avoid; margin-bottom: 8px"&gt;
      &lt;div class="section-header centered" style="font-weight: bold; display: flex; align-items: center; justify-content: center; text-align: center"&gt;Sectors (% of Net Assets)&lt;/div&gt;
      &lt;div class="section-subheader centered" style="font-style: italic; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; text-align: center"&gt;&lt;/div&gt;
      &lt;div class="section-body graph" style="margin-bottom: 8px; text-align: center"&gt;&lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid; display: none"&gt;
                        &lt;tr class="header-row" style="background-color: Gainsboro"&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px; text-align: left"&gt;
                Sector&lt;/th&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;% of Net Assets&lt;/th&gt;
                        &lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Diversified Companies
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_904_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--DiversifiedCompaniesMember_zgdCv0wzix56"&gt;25.94%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Financials
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_907_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--FinancialsMember_zaQ1mfDwMoGR"&gt;20.87%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Industrials
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_901_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--IndustrialsMember_zlplYWjr36Ll"&gt;12.70%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Information Technology
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90D_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--InformationTechnologyMember_zP34BCZkwSwA"&gt;11.46%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Consumer Discretionary
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90E_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--ConsumerDiscretionaryMember_zOaNDIoMzBAl"&gt;10.34%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Communication Services
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_901_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--CommunicationServicesMember_zOTVIXVhfOLx"&gt;8.27%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Consumer Staples
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90F_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--ConsumerStaplesMember_zV9JvVcCCSeU"&gt;3.23%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Energy
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90D_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--EnergyMember_zYRIsRT7A23r"&gt;3.11%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Net Assets*
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_908_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__oef--IndustrySectorAxis__custom--NetAssetsMember_z5vZrQJnRLVG"&gt;4.08%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;
                    &lt;/table&gt;&lt;img alt="Af Image" src="fp0094693-3_sa52.jpg" style="width: 348px; height: 350px"/&gt;&lt;/div&gt;
      &lt;div class="section-body" style="margin-bottom: 8px"&gt;&lt;table class="k-table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid"&gt;&lt;tr&gt;&lt;td style="width: 25px"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td&gt;&lt;p&gt;*&lt;/p&gt;&lt;/td&gt;&lt;td&gt;&lt;p style="text-align: left"&gt;Net Assets represent cash equivalents and liabilities in excess of other assets.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;
      &lt;p style="margin: 0"&gt;&#160;&lt;/p&gt;
    &lt;/div&gt;
  </oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="From2025-01-012025-06-30_custom_C000013026Member"
      id="Fact000063">
          &lt;div class="section-header centered" style="font-weight: bold; display: flex; align-items: center; justify-content: center; text-align: center"&gt;Top Ten Holdings (% of Net Assets)&lt;/div&gt;
          &lt;div class="section-subheader centered" style="font-style: italic; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; text-align: center"&gt;&lt;/div&gt;
          &lt;div class="section-body graph" style="margin-bottom: 8px"&gt;&lt;table class="table" style="border: #000000 0px none; width: 100%; border-collapse: collapse; margin-bottom: 0px; margin-top: 0px; font-size: 8pt; break-inside: avoid"&gt;
                        &lt;tr class="header-row" style="background-color: Gainsboro"&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px; text-align: left"&gt;
                 &lt;/th&gt;
                            &lt;th class="table-column-header" style="border-bottom: black 1px solid; padding: 4px; font-weight: bold; margin-bottom: 8px"&gt;&lt;/th&gt;
                        &lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Berkshire Hathaway Inc. - Class A
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_900_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--BerkshireHathawayIncClassAMember_zcLUDH1cP9Mm"&gt;25.94%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    AerCap Holdings N.V.
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_901_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--AerCapHoldingsNVMember_zotl6vOjjSij"&gt;10.22%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Alphabet Inc. - Class C
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_908_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--AlphabetIncClassCMember_z94lwBBBUjVr"&gt;9.26%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Markel Group, Inc.
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_906_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--MarkelGroupIncMember_zmInPz8UFYmE"&gt;8.29%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Brookfield Corporation - Class A
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90F_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--BrookfieldCorporationClassAMember_zNP0wotdFv1a"&gt;7.94%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    LKQ Corporation
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90C_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--LKQCorporationMember_z6m33Rey02r5"&gt;5.44%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    The Walt Disney Company
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90C_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--TheWaltDisneyCompanyMember_zQLo2jZN2N8f"&gt;5.00%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    First Citizens BancShares, Inc. - Class A
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_90E_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--FirstCitizensBancSharesIncClassAMember_zd4gooItRHVs"&gt;4.64%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    Goldman Sachs Financial Square Government Fund Institutional Class
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_907_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--GoldmanSachsFinancialSquareGovernmentFundInstitutionalClassMember_zrRDwOhqEQd8"&gt;4.10%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;

					&lt;tr style="background-color: Gainsboro"&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: left"&gt;

                    CarMax, Inc.
						&lt;/td&gt;
						&lt;td class="table-column-value" style="padding: 4px; text-align: center; width: 15%"&gt;&lt;span id="xdx_906_eoef--PctOfNav_iI_c20250630__oef--ClassAxis__custom--C000013026Member__us-gaap--InvestmentTypeAxis__custom--CarMaxIncMember_zHrkBKOB06io"&gt;3.83%&lt;/span&gt;&lt;/td&gt;
					&lt;/tr&gt;
                    &lt;/table&gt;&lt;/div&gt;
          &lt;div class="section-body" style="margin-bottom: 8px"&gt;&lt;/div&gt;
        </oef:LargestHoldingsTableTextBlock>
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      decimals="INF"
      id="Fact000064"
      unitRef="Ratio">0.2594</oef:PctOfNav>
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      decimals="INF"
      id="Fact000065"
      unitRef="Ratio">0.1022</oef:PctOfNav>
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      contextRef="AsOf2025-06-30_custom_C000013026Member_custom_AlphabetIncClassCMember"
      decimals="INF"
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      decimals="INF"
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      unitRef="Ratio">0.0829</oef:PctOfNav>
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      decimals="INF"
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      decimals="INF"
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      decimals="INF"
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      decimals="INF"
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