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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 330744 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 902 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 734 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | ECMC Foundation is a grantmaking foundation focused on improving the educational outcomes of underserved youth through evidence-based innovation. |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Martin A Scanlon |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6512210566 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 111 Washington Ave So Ste 1400 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Minneapolis |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MN |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 55401 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | true |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 14617115 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 15254583 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 661813 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 661813 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 27807 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1898 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 29705 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 163259 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1000 Thomas Jefferson St NW |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Washington |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 20007 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | American Institutes for Research |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Professional Services |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 23674677 |
| IRS990/CYInvestmentIncomeAmt | 0 | 29504341 |
| IRS990/CYOtherExpensesAmt | 0 | 1737136 |
| IRS990/CYOtherRevenueAmt | 0 | 881843 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 3007550 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1966821 |
| IRS990/CYTotalExpensesAmt | 0 | 27378634 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 30386184 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 13427 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 60422 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 73849 |
| IRS990/Desc | 0 | Career Readiness. Established to invest in opportunities in the career and technical education and training arena, focusing on those students who are not planning to attend traditional four-year or two-year colleges. The program is designed to help students who desire the training and skill development that leads to better job prospects by obtaining Postsecondary certificates with economic and education value. While ECMC Foundation is primarily focusing on the schools that make up Zenith Education Group, it is also committed to funding projects that improve the sector overall. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 13 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 9840827 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 31427 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 31427 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 50 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 50 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 427625 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 427625 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 520275 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 520275 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | true |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 19.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 13.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 13.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 9.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 0 | Peter J Taylor |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 1 | John F DePodesta |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 2 | ROBERTA COOPER RAMO |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 3 | Julia Gouw |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 4 | I King Jordan |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 5 | James V McKeon |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 6 | Jack O'Connell |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 7 | Maurice M Salter |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 8 | K Paul Singh |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 9 | Jeremy J Wheaton |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 10 | Daniel S Fisher |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 11 | Gregory A Van Guilder |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 12 | Martin A Scanlon |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 13 | Alissa Binner |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 14 | Kyle A Miller |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 15 | Jennifer E Zeisler |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 16 | Sarah Belnick |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 17 | March H Kessler |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 18 | Richard J Boyle |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 19 | Robert A Stein |
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| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 2 | X |
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| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 68090 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 81152 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 68161 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 22406 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 242488 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 128603 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 138000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 123000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 110000 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 117500 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 363102 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 387888 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 606861 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 400852 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President & CEO ECMC Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Board Chair not paid by Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR NOT PAID BY FOUNDATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director not paid by Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR NOT PAID BY FOUNDATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR NOT PAID BY FOUNDATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR NOT PAID BY FOUNDATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR NOT PAID BY FOUNDATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director not paid by Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | President & CEO ECMC Group, Inc. Not Paid by Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | General Counsel/Corp Secretary Not Paid by Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | CFO (Until 11-08-17) not paid by Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | SVP Finance & CFO (effective 11-09-17) Not Paid By Foundation |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Office Manager & Executive Assistant |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Sr Program Director-Teacher Dev & Eval |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Program Director-Career Readiness |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | Dir Program Management |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | Former Executive Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | Former DIRECTOR/CEO/PRESIDENT NOT PAID BY FOUNDATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | Former Director not paid by Foundation |
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| IRS990/FormationYr | 0 | 2000 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | true |
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| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 29504341 |
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| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
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| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 23674677 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 29504341 |
| IRS990/GrossReceiptsAmt | 0 | 30386184 |
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| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 1206 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 1206 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 10021 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 10021 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 637358216 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 733787031 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 6 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 208406 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 156277 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 273689 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
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| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
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| IRS990/MiscellaneousRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/MissionDesc | 0 | To inspire and to facilitate improvements that affect educational outcomes, especially among underserved populations, through evidence-based innovation. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 638826408 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 738262773 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 29504341 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 29504341 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 96428815 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 34414 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 154864 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 189278 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 62952 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 15368 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 78320 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 136681 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 4120301 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 67960 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 68011 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 135971 |
| IRS990/OtherExpensesGrp/Desc | 0 | Miscellaneous Expense |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 5985 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 3989 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 9974 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 109007 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 364976 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 813211 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 813211 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | Grants awarded and accrued in 2016; cancelled in 2017 |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | Proceeds from 2015 and 2016 refundable cancelled/overfunded grants |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 486800 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 1 | 395043 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 486800 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 395043 |
| IRS990/OtherRevenueTotalAmt | 0 | 881843 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 490009 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 490381 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 980390 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 35518 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 35546 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 71064 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 58769 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 58814 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 117583 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 14103 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 6347 |
| IRS990/PrincipalOfcrBusinessName/BusinessNameLine1Txt | 0 | Peter J Taylor |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | College Success. Designed to increase the number of students from traditionally underserved backgrounds, including low-income and first-generation, who are prepared for, admitted to, and graduate from an institution of higher education. The program funds the development of techniques and tools that are adopted and used by professionals in the field to improve the college-going rate of underserved students. ECMC Foundation also supports initiatives to improve six-year college graduation rates at four-year colleges and universities, and three-year transfer/completion rates at community colleges and schools for students from these underserved populations. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 5896557 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 5896557 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | Teacher and Leader Development. Created to invest in teacher and leader development focused on complex intellectual student work, often referred to as deeper learning. The program also focuses on initiatives that build the diversity pipelines into the teaching and school leader professions. Through these investments, ECMC Foundation intends to improve teaching and student academic outcomes as measured by the next generation of standards and assessments. In December 2017, ECMC Foundation made the decision to close out the Teacher and Leader Development program. Starting in 2018, ECMC Foundation will direct funding into the College Success and the Career Readiness programs. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 5625000 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 5625000 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | Other programs. Miscellaneous programs and activities for the furtherance of educational opportunities through grants, awards and research on the management of educational debt. |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 1 | GO! Program. ECMC Foundation awards grants to the Generating Outcomes (GO!) Program, a corporate initiative to fund education innovation by funding ideas and partnerships that can be examined for effectiveness in the local communities of the ECMC Group, Inc. employees. To qualify for payment of a GO! Program grant, the awarded recipient must be a third-party nonprofit entity and expend the grant award for the purpose designated in the recipient's grant proposal. Recipients are eligible to receive awards ranging from $10,000 to $100,000. In 2017, ECMC Foundation awarded 72 grants under the GO! Program. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 1751586 |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 1 | 1450000 |
| IRS990/ProgSrvcAccomActyOtherGrp/GrantAmt | 0 | 866282 |
| IRS990/ProgSrvcAccomActyOtherGrp/GrantAmt | 1 | 1450000 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 1 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 274374500 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 27973197 |
| IRS990/PYInvestmentIncomeAmt | 0 | 1306067 |
| IRS990/PYOtherExpensesAmt | 0 | 1648771 |
| IRS990/PYOtherRevenueAmt | 0 | 1114092 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 245617733 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1554958 |
| IRS990/PYTotalExpensesAmt | 0 | 31176926 |
| IRS990/PYTotalRevenueAmt | 0 | 276794659 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |