| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 8732119 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 16083919 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | MDRC IS DEDICATED TO IMPROVING THE WELL-BEING OF LOW-INCOME PEOPLE. (SEE SCHEDULE O) THROUGH OUR RESEARCH, WE SEEK TO ENHANCE THE EFFECTIVENESS OF SOCIAL POLICIES & PROGRAMS THAT AFFECT THE POOR. |
| IRS990/AllOtherContributionsAmt | 0 | 38755626 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 448 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | -130769 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 1714873 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 1584552 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | JESUS AMADEO SR VP & CFO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2125323200 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 200 VESEY STREET 23RD FLOOR |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NEW YORK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 102812103 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 7487466 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 3974293 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 33 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 3142 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 1603752 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 844597 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 2451491 |
| IRS990/CompDisqualPersonsGrp/ProgramServicesAmt | 0 | 272465 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 272465 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 140708 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 111925 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 252633 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 2369857 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 2334709 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 2021453 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 1243545 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 972477 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | CANAL CENTER PLAZA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 10 FAWCETT STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 600 ALEXANDER PARK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO BOX 900002 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 4511 DALTON ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | ALEXANDRIA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | CAMBRIDGE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | PRINCETON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | RALEIGH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | CHEVY CHASE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | NJ |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | NC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 22314 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 02138 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 08543 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 27675 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 20815 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | MEF ASSOCIATES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | ABT ASSOCIATES INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | MATHEMATICA POLICY RESEARCH INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | RTI INTERNATIONAL |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | THE COLERIDGE INITIATIVE INC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | RESEARCH SUBCONTRACT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | RESEARCH SUBCONTRACT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | RESEARCH SUBCONTRACT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | RESEARCH SUBCONTRACT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | RESEARCH SUBCONTRACT |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 89213706 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 2958012 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2487809 |
| IRS990/CYOtherExpensesAmt | 0 | 34654322 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 1435053 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 18044291 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 37479943 |
| IRS990/CYTotalExpensesAmt | 0 | 75092277 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 7941 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 93136568 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 73 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 179509 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 535086 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 714668 |
| IRS990/Desc | 0 | FAMILY WELL-BEING AND CHILD DEVELOPMENTFOR MORE THAN TWO DECADES, MDRC HAS BEEN A LEADER IN AN EXPANDING FIELD OF RESEARCH THAT EXAMINES HOW CHILDREN ARE AFFECTED BY WELFARE REFORM AND OTHER SOCIAL POLICIES THAT ARE PRIMARILY DESIGNED TO AFFECT THE EMPLOYMENT AND INCOME STATUS OF THEIR PARENTS. MDRC IS STUDYING SEVERAL INITIATIVES THAT SEEK TO BENEFIT CHILDREN BY BUILDING HEALTHIER FAMILY RELATIONSHIPS, INCLUDING FEDERAL RESPONSIBLE FATHERHOOD PROGRAMS. MDRC IS THE LEAD EVALUATOR OF THE FEDERAL GOVERNMENT'S $1.5 BILLION INVESTMENT IN HOME VISITING PROGRAMS, WHICH PROVIDE PREVENTIVE SERVICES TO FAMILIES WITH YOUNG CHILDREN TO PREVENT CHILD MALTREATMENT, IMPROVE MATERNAL AND CHILD HEALTH OUTCOMES, AND INCREASE SCHOOL READINESS. (SEE SCHEDULE O)OUR CHILD CARE AND EARLY EDUCATION STUDIES AIM TO DEEPEN POLICYMAKERS' UNDERSTANDING OF THE EFFECTS OF EARLY CARE ENVIRONMENTS, INCLUDING HEAD START. WE HAVE BEEN A LEADER IN DEVELOPING AND TESTING PROGRAMS THAT BOLSTER THE EMOTIONAL AND BEHAVIORAL DEVELOPMENT OF PRESCHOOLERS AND THE MATH SKILLS OF PRESCHOOL CHILDREN AND KINDERGARTNERS. WE'RE LEADING THE EXPANDING CHILDREN'S EARLY LEARNING (EXCEL) NETWORK, A COLLABORATION OF LOCAL OFFICIALS, PRESCHOOL PROVIDERS, AND RESEARCHERS AS ACTIVE PARTICIPANTS IN INNOVATION AND EVIDENCE-BUILDING. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 25293737 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 26475966 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 334 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 16783264 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 203168 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 203168 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 146644 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 146644 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 516438 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 516438 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 20 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 21 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 22 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 23 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 24 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 25 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 26 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 27 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | 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/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | 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/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 46306 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 37358 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 9993 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 23817 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 15911 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 17276 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 19181 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 20736 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 17172 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 18130 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 18792 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 16902 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARY JO BANE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | REBECCA BLANK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ROBERT DENHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | AOIFINN DEVITT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | RONALD HASKINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | HILARY HOYNES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JAMES H JOHNSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | LAWRENCE KATZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JOHN B KING JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | MILTON J LITTLE JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | BRIDGET TERRY LONG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JOSH B MCGEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | RICHARD J MURNANE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | ELOY ORTIZ OAKLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | MICHAEL ROSTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | ROBERT SOLOW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | VIRGINIA W KNOX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JESUS M AMADEO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | SHARON ROWSER THRU 072021 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | DAN J BLOOM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | ROSE KOB |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | JOHN MARTINEZ AS OF 122021 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | JAMES A RICCIO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | CHARLES MICHALOPOULOS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | PATRICIA WEISS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | JOHN HUTCHINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | CAROLYN HILL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | BARBARA GOLDMAN |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 558565 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 458462 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 446787 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 326847 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 270365 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 239804 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 278398 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 271099 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 268514 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 266008 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 258035 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 255562 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR (THRU 08/2021) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR (THRU 04/2021) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | CHAIRMAN EMERITUS (VOTING) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | SR. VICE PRESIDENT & CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | VICE PRESIDENT & DEP. DIR PRED |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | SR. VICE PRESIDENT & DIR. PRED |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | VICE PRESIDENT & GENERAL CNSEL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | VICE PRESIDENT & DIR. PROG. DEV. |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | PRINCIPAL RESEARCH FELLOW |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | CHIEF ECONOMIST |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | HR DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | COMMUNICATIONS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | SENIOR FELLOW |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | VP, DIR DEPLOYMENT & ACCOUNTABILITY |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1974 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 1 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 960995 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 14 |
| IRS990/GovernmentGrantsAmt | 0 | 50458080 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 11410374 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 12811241 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 2958012 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 2958012 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 21220837 |
| IRS990/GrossReceiptsAmt | 0 | 113396410 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 14 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 101 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 2623 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 308024 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 3837251 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 4147898 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 28 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 68438 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 204003 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 272469 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1526814 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1526814 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 13311213 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 18756707 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 42243716 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 46215685 |
| IRS990/IRPDocumentCnt | 0 | 95 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 5459724 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 8278667 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 7565518 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 13025242 |