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| IRS990/ActivityOrMissionDesc | 0 | Promote Higher Education |
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| IRS990/CYContributionsGrantsAmt | 0 | 14241112 |
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| IRS990/Desc | 0 | The Foundation annually supports educational grants that fund values based leadership training programs for members of sigma chi fraternity. In addition, the foundation directly funds academic scholarships and makes grants to support educational facilities at chapter houses in the United States. The foundation also maintains a museum of historical objects and matters. |
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| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 3347 |
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| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 158947 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 99343 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 37.50 |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | X |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Mark V Anderson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Mark Quiner |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Andrew Nunemaker |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Randall Coppersmith |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Joe W Martin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Jim Luce |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Jeffrey T Gill |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | John C Pasquantino |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Jeffery Green |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | James W Kuykendall |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Robert Georges |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Michael Greenberg |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Jeffrey Burnside |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Kevin Miller |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | John Andrew Price |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | Andrew Nepp |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 147051 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 112001 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 175000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 180718 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 104010 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Board Member |
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| IRS990/GamingActivitiesInd | 0 | 0 |
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| IRS990/GrantToRelatedPersonInd | 0 | 0 |
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| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 30294 |
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| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 146687 |
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| IRS990/MembersOrStockholdersInd | 0 | 0 |
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| IRS990/MissionDesc | 0 | The Sigma Chi Foundation Solicits financial resources, provides faithful stewardship, and engages in exemplary ethical practices in support of Sigma Chi and leadership development. |
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| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 16664 |
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| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 83758 |
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| IRS990/OtherExpensesGrp/TotalAmt | 2 | 11999 |
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| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 327981 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 546636 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 15825 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 26375 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 63299 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 105499 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 8708 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 14513 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 34832 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 58053 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 23791831 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 15417616 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 17052 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 20778 |
| IRS990/PrincipalOfficerNm | 0 | Micheal Greenberg |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | -13005074 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Program Service Fees |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 374609 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 374609 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 13412315 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 4566196 |
| IRS990/PYInvestmentIncomeAmt | 0 | 775102 |
| IRS990/PYOtherExpensesAmt | 0 | 1346744 |
| IRS990/PYOtherRevenueAmt | 0 | 218538 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 6662361 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1830654 |
| IRS990/PYTotalExpensesAmt | 0 | 7743594 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 14405955 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 3319945 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 128732 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 376158 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 14241112 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 13412315 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 11304888 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 9606537 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 12042910 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 60607762 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 225829 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 775102 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 404980 |