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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 8002 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 99084 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 692806 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | ACTION ST. LOUIS IS A GRASSROOTS ORGANIZATION WORKING ON DEMOCRACY, HOUSING AND CRIMINAL JUSTICE. |
| IRS990/AddressChangeInd | 0 | X |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 1625 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 7911 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 52577 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 62113 |
| IRS990/AllOtherContributionsAmt | 0 | 2920024 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | KAYLA REED |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3146834353 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2857 SIDNEY STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ST LOUIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 63104 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 687791 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1485159 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
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| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 0 |
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| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
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| IRS990/CYContributionsGrantsAmt | 0 | 3357366 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 2200000 |
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| IRS990/CYOtherRevenueAmt | 0 | 6459 |
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| IRS990/CYRevenuesLessExpensesAmt | 0 | -1000497 |
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| IRS990/CYTotalExpensesAmt | 0 | 4386135 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 186593 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 3385638 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1860 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1860 |
| IRS990/Desc | 0 | ADVOCACY - ACTION ST. LOUIS WORKS TO ELEVATE THE VOICES OF COMMUNITY MEMBERS WHO HAVE BEEN IMPACTED BY ISSUES OF CRIMINAL JUSTICE AND HOUSING. THROUGH CAMPAIGNS, WE WORK WITH RESIDENTS OF ST. LOUIS TO SHARE THEIR EXPERIENCES AND BUILD A COLLECTIVE ANALYSIS ON HOW TO IMPROVE OUR COMMUNITIES. THIS WORK INCLUDES HOSTING EVENTS, COMMUNITY OUTREACH AND DIGITAL ENGAGEMENT TO THE BROADER PUBLIC. |
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| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2178569 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 35 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 2744283 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
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| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 5600 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 56510 |
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| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 503 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 5077 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 4285 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 120238 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 174002 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 298525 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| 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 | 30.00 |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | 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/PersonNm | 0 | MICHELLE HIGGINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | KATHRYN REDMOND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ALEIDRA ALLEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BUKKY BGADEGESIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | BLAKE STRODE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KAYLA REED |
| 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 | 128276 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2020 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
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| IRS990/FSAuditedInd | 0 | 1 |
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| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
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| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 2200000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 3385638 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 93835 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 3550 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 97385 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 21813 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 21813 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 500000 |
| IRS990/IRPDocumentCnt | 0 | 30 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 9766 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 7906 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 13021 |
| IRS990/LegalDomicileStateCd | 0 | MO |
| 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 | ACTION ST. LOUIS IS A GRASSROOTS ORGANIZATION THAT BUILDS CAMPAIGNSTHAT LEVERAGE ORGANIZING, ADVOCACY AND COMMUNICATIONS TO TRANSFORM THEST. LOUIS REGION. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2178569 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
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| IRS990/OccupancyGrp/TotalAmt | 0 | 73874 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 2783 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 16753 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 4053 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 23589 |
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| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 700 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 13229 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 12571 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 116697 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 142497 |
| IRS990/OtherExpensesGrp/Desc | 0 | CLIENT ASSISTANCE |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 3226 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 11815 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 15041 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANOUS |
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| IRS990/OtherRevenueTotalAmt | 0 | 6459 |
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| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 45595 |
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| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 1253697 |
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| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 12935 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 3461 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 90052 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 106448 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | KAYLA M REED |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | -34570 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | DEMOCRACY AND VOTER EDUCATION ACTION ST. LOUIS ROUTINELY ENGAGES THE GENERAL PUBLIC THROUGH FIELD AND DIGITAL MEDIUMS TO EDUCATE THEM ON UPCOMING ELECTIONS. ACTION ALSO WORKS TO ENSURE TOOLS OF DEMOCRACY ARE ACCESSIBLE TO ALL COMMUNITIES BY CONFRONTING BARRIERS. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 982377 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | TRAINING AND LEADERSHIP DEVELOPMENT ACTION ST. LOUIS RECRUITS AND TRAINS COMMUNITY MEMBERS ON ORGANIZING FUNDAMENTALS, CIVIC INFRASTRUCTURE AND HISTORY TO DEVELOP THEIR CAPACITY TO CHAMPION ISSUES THAT DIRECTLY AFFECT THEIR FAMILIES AND COMMUNITIES. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 103860 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
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| IRS990/PYContributionsGrantsAmt | 0 | 1944595 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 54500 |
| IRS990/PYInvestmentIncomeAmt | 0 | 67506 |
| IRS990/PYOtherExpensesAmt | 0 | 405689 |
| IRS990/PYOtherRevenueAmt | 0 | 17158 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 247145 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1310150 |
| IRS990/PYTotalExpensesAmt | 0 | 1782114 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 11775 |
| IRS990/PYTotalRevenueAmt | 0 | 2029259 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -1000497 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RelatedOrganizationsAmt | 0 | 437342 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 1919519 |
| IRS990ScheduleA/First5Years170Ind | 0 | X |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 3357366 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 1944595 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4648013 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 665608 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 10615582 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 21813 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 42530 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 15600 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 79943 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 9088 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 10615582 |
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| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 1944595 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4648013 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 665608 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 10615582 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 10713147 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearAmt | 0 | 6459 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus1YearAmt | 0 | 10822 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 341 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 17622 |
| 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/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 4386135 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 7906 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 5115 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 13021 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 3385638 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION IS EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (THE "CODE"), EXCEPT ON NET INCOME DERIVED FROM UNRELATED BUSINESS ACTIVITIES AS DEFINED IN THE CODE. ACCORDINGLY, THE ORGANIZATION FILES AS A TAX EXEMPT ORGANIZATION. THE ORGANIZATION FOLLOWS GUIDANCE ISSUED BY THE FASB ON ACCOUNTING FOR INCOME TAXES AND HAS EVALUATED ITS TAX POSITIONS, EXPIRING STATUTES OF LIMITATIONS, AUDITS, PROPOSED SETTLEMENTS, CHANGES IN TAX LAW AND NEW AUTHORITATIVE RULINGS, AND BELIEVES THAT NO PROVISION FOR INCOME TAXES IS NECESSARY TO COVER ANY UNCERTAIN TAX POSITIONS. THE ORGANIZATION'S RETURNS FOR TAX YEARS 2021 AND LATER REMAIN SUBJECT TO EXAMINATION BY TAXING AUTHORITIES. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 7906 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 4386135 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 3385638 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 3385638 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 4386135 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 0 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 2200000 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501C3 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 0 |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | HUB COLLABORATION PROJECT |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | FRIENDS OF NORTHSIDE |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 333912876 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 5939 GOODFELLOW BLVD |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | ST LOUIS |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 63147 |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 1 |
| IRS990ScheduleI/TotalOtherOrgCnt | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | FORM 990 IS PREPARED BY THE OUTSIDE PREPARER AND PROVIDED IN DRAFT FORM TO THE EXECUTIVE DIRECTOR FOR REVIEW. CHANGES, IF ANY, ARE COMMUNICATED AND INCORPORATED INTO THE RETURN. THE FILING COPY OF THE FORM 990 IS THEN MADE AVAILABLE TO THE EXECUTIVE BOARD FOR APPROVAL PRIOR TO FILING WITH IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS AVAILABLE TO THE PUBLIC BY PRIOR APPOINTMENT AT THE ORGANIZATION'S OFFICE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | NO CHANGES FROM THE PRIOR YEAR. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART XII, LINE 2C: |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MO |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 3216160 |
| IRS990/TotalAssetsEOYAmt | 0 | 2186571 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 3216160 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2186571 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 3357366 |
| IRS990/TotalEmployeeCnt | 0 | 35 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 186593 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 369022 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 3830520 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 4386135 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 2524 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 8002 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 2524 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 8002 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 3213636 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 2178569 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 3830520 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 128276 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 21813 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 6459 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 3385638 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 5 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 3216160 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2186571 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TravelGrp/ManagementAndGeneralAmt | 0 | 8088 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 41431 |
| IRS990/TravelGrp/TotalAmt | 0 | 49519 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 5939 GOODFELLOW BLVD |
| IRS990/USAddress/CityNm | 0 | ST LOUIS |
| IRS990/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990/USAddress/ZIPCd | 0 | 63147 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 5 |
| IRS990/WebsiteAddressTxt | 0 | WWW.ACTIONSTL.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | KAYLA M REED |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | EXECUTIVE DIRECTOR |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3146834353 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-04-10 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | ACTION ST LOUIS |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | ACTI |
| ReturnHeader/Filer/EIN | 0 | 320634890 |
| ReturnHeader/Filer/PhoneNum | 0 | 3146834353 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 5939 GOODFELLOW BLVD |
| ReturnHeader/Filer/USAddress/CityNm | 0 | ST LOUIS |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MO |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 63147 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 430831507 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | ANDERS MINKLER HUBER & HELM LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 800 MARKET STREET SUITE 500 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | ST LOUIS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MO |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 631012501 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3146555500 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | JEANNE DEE |
| ReturnHeader/ReturnTs | 0 | 2026-04-13T16:05:50-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |