| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 73191 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 27285 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 144144 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 100626 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO SERVE AS A CATALYST FOR THE MOVEMENT TO BUILD LIVABLE COMMUNITIES WITH TRANSIT |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 972 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 82713 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 83685 |
| IRS990/AllOtherContributionsAmt | 0 | 479626 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 170 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 460 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 630 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | KATHLEEN HORNE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5128093584 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2550 UNIVERSITY AVE W |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ST PAUL |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MN |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 55114 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 461572 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 664503 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 9323 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 59140 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 205393 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 273856 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 479963 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 479963 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 826835 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 14663 |
| IRS990/CYOtherExpensesAmt | 0 | 817643 |
| IRS990/CYOtherRevenueAmt | 0 | 7050 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 909927 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 189519 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 751313 |
| IRS990/CYTotalExpensesAmt | 0 | 1568956 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 11382 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1758475 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 96 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 949 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 5703 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 6748 |
| IRS990/Desc | 0 | CONFERENCE:FROM TRANSIT-ORIENTED DEVELOPMENT (TOD) TO TRANSIT-ORIENTED COMMUNITIES (TOC), THE ANNUAL MPACT TRANSIT + COMMUNITY CONFERENCE FOCUSES ON THE WHOLE COMMUNITY BUILT AROUND TRANSIT AND MULTIMODAL INVESTMENTS, FROM THE MODES THEMSELVES TO ARCHITECTURE, ENGINEERING AND URBAN DESIGN, FROM HOUSING TO BUSINESS AND ECONOMIC GROWTH, AS WELL AS THE IMPLICATIONS FOR HEALTH, SAFETY, SUSTAINABILITY, ACCESS TO OPPORTUNITY AND OVERALL QUALITY OF LIFE FOR ALL PARTS OF THE COMMUNITY |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | MPACT |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 953942 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 47348 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 47348 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 276 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 19759 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 30035 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 50070 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| 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 | 40.00 |
| 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/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/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 | 16153 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DIANA MENDES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | TIFFANY GUNTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ADELEE LE GRAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | EARL BLUMENAUER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JOSEPH HORIYE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KELLY BETTERIDGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | NADINE LEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | PAUL SKOUTELAS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | CAROLYN FLOWERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | DORVAL CARTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CAROLYN GANOT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | BETH HOLBROOK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | JENNIFER PYNE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | KATHLEEN KAMMY HORNE |
| 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 | 257703 |
| 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/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | CEO |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2001 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 14 |
| IRS990/GovernmentGrantsAmt | 0 | 347209 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 1758475 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 13 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 3688 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 2917 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 6605 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 43 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 422 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 2536 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 3001 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 14663 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 14663 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 11 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 25725 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 19392 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 16590 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 42315 |
| IRS990/LegalDomicileStateCd | 0 | MN |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO SERVE AS A CATALYST FOR THE MOVEMENT TO BUILD LIVABLE COMMUNITIES WITH TRANSIT BY INSPIRING PEOPLE IN COMMUNITIES AND REGIONS TO MAKE BETTER TRANSIT AND LAND USE DECISIONS. WE DO THIS BY PARTNERING, EQUIPPING AND CONNECTING PEOPLE AND INSTITUTIONS AT ALL LEVELS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 862865 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1052384 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 862865 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1052384 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 337 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 3342 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 21163 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 24842 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 5900 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 4641 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 10541 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 588 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 8266 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 35322 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 44176 |
| IRS990/OtherExpensesGrp/Desc | 0 | MERCHANT SERVICES |
| IRS990/OtherExpensesGrp/Desc | 1 | BAD DEBT |
| IRS990/OtherExpensesGrp/Desc | 2 | MEMBERSHIP DUES |
| IRS990/OtherExpensesGrp/Desc | 3 | MISCELLANEOUS EXPENSE |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 102 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 15000 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 1490 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 1675 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 18846 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 1345 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 170 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 18948 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 15000 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 2835 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 1845 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISC REVENUE |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 7050 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 7050 |
| IRS990/OtherRevenueTotalAmt | 0 | 7050 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 32125 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 334716 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 366841 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 719 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 9997 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 38744 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 49460 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 2800 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 14180 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 16980 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 22120 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 26849 |
| IRS990/PrincipalOfficerNm | 0 | KATHLEEN HORNE |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | CONFERENCE REGISTRATIO |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | TRAINING FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | PARTNER REVENUE |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | SPONSORSHIPS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 613762 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 174000 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 116350 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 5815 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 613762 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 174000 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 116350 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 5815 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | MPACT:LAB IS A PLACE-BASED LEADERSHIP DEVELOPMENT AND CAPACITY BUILDING PROGRAM THAT SUPPORTS THE CREATION OF LOCAL, CROSS-SECTOR STAKEHOLDER COALITIONS WORKING TO INTEGRATE TRANSIT, LAND USE AND COMMUNITY DEVELOPMENT. SINCE 2021, WE HAVE BEEN HOSTING REGIONAL LEARNING COHORTS OF A DOZEN PEOPLE, TOGETHER WITH EXPERTS, NOW KNOWN AS MOVE ROUNDTABLES. THE MOVE PROGRAM STARTED AS A FEE-FOR-SERVICE PROGRAM AND SINCE THEN, WE HAVE CONTINUED TO OFFER THIS OPTION TO INDIVIDUAL REGIONS/CITIES, BUT WE ALSO ENTERED INTO FUNDING PARTNERSHIPS WITH TWO DIFFERENT NATIONAL ORGANIZATIONS, EACH OF WHICH UNDERWRITE THE COSTS OF CAPACITY-BUILDING PROGRAMS THAT FOSTER STAKEHOLDER ENGAGEMENT AND COLLABORATION FOR MOBILITY-RELATED EFFORTS LOCALLY. IN ADDITION TO THESE PROGRAMS, WE OFFER THE OPTION FOR LOCAL COHORTS TO ATTEND THE CONFERENCE TOGETHER AS A "DELEGATION." THESE DELEGATIONS RECEIVE ADDITIONAL SUPPORT (MEETING SPACE, FACILITATION, EXTRA MEETINGS) FROM US DURING THE CONFERENCE |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 185750 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 174000 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | MPACT:OUTREACHMPACT'S OUTREACH PROGRAM INCLUDES ACTIVITY ENGAGED IN BY STAFF WITH THE GOALS OF 1) BUILDING RELATIONSHIPS WITH ORGANIZATIONS THAT SUPPORT OUR WORK, OR THAT CAN BENEFIT FROM OUR WORK; 2) PROVIDING EDUCATION IN THE SPACE OF BUILDING TRANSIT-ORIENTED COMMUNITIES, AND IMPROVING QUALITY OF LIFE FOR PEOPLE WHO LIVE THERE; AND3) INCREASING GENERAL AWARENESS AND VISIBILITY OF MPACT AMONG TRANSIT AND COMMUNITY DEVELOPMENT FOCUSED COMMUNITIES OF PRACTICE. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 85148 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | MPACT:VOICESMPACT:VOICES HOSTS YEAR-ROUND LEARNING OPPORTUNITIES VIA PODCASTS, WEBINARS, BLOG POSTS, VIDEOS AND OTHER FORMS OF MEDIA ON OUR WEBSITE. OUR MOST REGULAR FORMAT IS THE PODCAST, WHICH WE HOST MONTHLY PURSUANT TO A CONTRACT WITH AN OUTSIDE HOST WHO HOSTS AND EDITS THE PODCASTS FOR US (THOUGH WE DETERMINE THE CONTENT, SPEAKERS, AND THEMES). THE PODCASTS ARE MADE AVAILABLE BOTH TO OUR AUDIENCE AND TO OUR PODCAST HOST'S AUDIENCE. IN ADDITION, WE REGULARLY WRITE AND SHARE BLOG POSTS ON TOPICS RELATED TO OUR PROGRAMS, AND WE OCCASIONALLY HOST WEBINARS. WE ALSO PRODUCE AND SHARE VIDEOS, LARGELY FROM OUR ANNUAL CONFERENCE. THESE PRODUCTS PODCASTS, BLOGS, WEBINARS AND VIDEOS IN TURN ARE SHARED ON OUR SOCIAL MEDIA CHANNELS AND VIA OUR E-NEWS. WE ALSO CREATE ORIGINAL SHORT VIDEOS (OFTEN REELS) FOR OUR SOCIAL MEDIA AND FEATURE PROFILES OF PEOPLE IN OUR NETWORK, INCLUDING MEMBERS OF OUR NATIONAL STEERING COMMITTEE AND BOARD. THE INTENT OF ALL THESE EFFORTS IS TO SHOWCASE ASPECTS OF BUILDING LIVABLE COMMUNITIES AROUND TRANSIT, KEEP OUR WIDER NETWORK INFORMED AND BUILD OUR AUDIENCE.MPACT: INNOVATORSTHE MPACT INNOVATORS PROGRAM PROVIDES AND FACILITATES A NATIONAL NETWORKING GROUP WELCOMING THE NEXT GENERATION OF INDUSTRY LEADERS AND THINKERS. THE PROGRAM PROVIDES NETWORKING AND LEARNING OPPORTUNITIES, CULTIVATES INNOVATIVE NEW APPROACHES AND HELPS DEVELOP NEW LEADERS IN THE INDUSTRY. PARTICIPANTS PROVIDE INPUT TO MPACT REGARDING WAYS TO FURTHER SUPPORT EMERGING PROFESSIONALS AT AND BEYOND THE CONFERENCE. AT THE MPACT TRANSIT + COMMUNITY CONFERENCE, THE INNOVATORS ORGANIZE ACTIVITIES THAT ARE WELCOMING AND ACCESSIBLE FOR ATTENDEES NEW TO THE INDUSTRY, WHILE ALSO OPEN TO ALL CONFERENCE ATTENDEES. CONFERENCE ACTIVITIES INCLUDE IDEA EXCHANGES, WELLNESS ACTIVITIES, WALKING TOURS AND THE MPACT PK SLAM (POWERED BY PECHAKUCHA). INNOVATORS SUPPORT THE MPACT NATIONAL STEERING COMMITTEE BY PROVIDING INPUT ON THE NEEDS, CONCERNS, AND WORK OF NEW PROFESSIONALS, TAKING ON HOT TOPICS, AND TESTING OUT NEW SESSION AND CONFERENCE FORMATS. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 117029 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 946045 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 6286 |
| IRS990/PYOtherExpensesAmt | 0 | 842378 |
| IRS990/PYOtherRevenueAmt | 0 | 5042 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 715433 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 112508 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 717920 |
| IRS990/PYTotalExpensesAmt | 0 | 1560298 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 1672806 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 189519 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 735927 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 288828 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 271101 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | OTHER INCOME - 2021 AMOUNT: $ 3,550. 2022 AMOUNT: $ 8,115. 2023 AMOUNT: $ 16,169. 2024 AMOUNT: $ 5,042. 2025 AMOUNT: $ 7,050. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME: |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 826835 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 946045 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 831243 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 730870 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 710600 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 4045593 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 14663 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 6286 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 6725 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1748 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 866 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 30288 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 2938802 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 7050 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 5042 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 16169 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 8115 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3550 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 39926 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.89920 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.91640 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 3700788 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 344805 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 826835 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 946045 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 831243 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 730870 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 710600 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 4045593 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 4115807 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/DonatedServicesAndUseFcltsAmt | 0 | 23500 |
| IRS990ScheduleD/DonatedServicesUseFcltsAmt | 0 | 23500 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 6452 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 10125 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 16577 |