| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 61571 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 152775 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 136700 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 158603 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | SANDY HOOK PROMISE FOUNDATION IS A NATIONAL NON-PROFIT ORGANIZATION FOUNDED AND LED BY SEVERAL FAMILY MEMBERS WHO LOST LOVED ONES AT SANDY HOOK ELEMENTARY SCHOOL ON DECEMBER 14, 2012. OUR MISSION IS TO PREVENT GUN VIOLENCE BEFORE IT HAPPENS BY TEACHING YOUTH AND ADULTS HOW TO "KNOW THE SIGNS" OF INDIVIDUALS WHO MAY BE AT-RISK OF HURTING THEMSELVES OR OTHERS AND INTERVENE TO GET THEM HELP. DURING THE YEAR ENDED JUNE 30, 2017, DYLAN'S WINGS OF CHANGE BECAME A FISCALLY-SPONSORED PROJECT OF SANDY HOOK PROMISE. TOTAL ASSETS RELATED TO DYLAN'S WINGS OF CHANGE OF APPROXIMATELY $213,000 WERE CONTRIBUTED INTO THE FOUNDATION TO BE USED SOLELY FOR THE THIS SPONSORED PROJECT. DYLAN'S WINGS IS RUN AS A STANDALONE PROJECT, PAYS SANDY HOOK PROMISE A MONTHLY ADMINISTRATIVE FEE, AND IS GOVERNED BY ITS OWN BOARD OF DIRECTORS. DYLAN'S WINGS OF CHANGE RAISES ITS OWN FUNDING, PAYS ITS OWN EXPENSES, AND DISTRIBUTES ITS OWN GRANTS. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 50000 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 800049 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 850049 |
| IRS990/AllOtherContributionsAmt | 0 | 5460534 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | DAVID CONRAD |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2033049780 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 13 CHURCH HILL ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NEWTOWN |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CT |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 06470 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1013565 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1874276 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 111089 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 84872 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 442239 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 638200 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 604922 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 193901 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 189149 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 100448 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1140 19TH ST NW SUITE 300 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1650 WEST END BLVD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | PO BOX 101425 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 220 I STREET NE 250 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | MINNEAPOLIS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | ATLANTA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | GA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 20036 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 55416 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 30392 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 20002 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | ANNE LEWIS STRATEGIES LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | BAKER |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | BBDO USA LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | FLANAGAN FULKERSON & COMPANY |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | MARKETING & ADVERTISING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | MARKETING CONSULTING FIRM |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | ADVERTISING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | FUNDRAISING |
| IRS990/ContriRptFundraisingEventAmt | 0 | 94752 |
| IRS990/CostOfGoodsSoldAmt | 0 | 11508 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 5555286 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 26850 |
| IRS990/CYInvestmentIncomeAmt | 0 | 7078 |
| IRS990/CYOtherExpensesAmt | 0 | 2698909 |
| IRS990/CYOtherRevenueAmt | 0 | 272598 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1285062 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1723693 |
| IRS990/CYTotalExpensesAmt | 0 | 4549900 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 776994 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 100448 |
| IRS990/CYTotalRevenueAmt | 0 | 5834962 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 0 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 10631 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 2902 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 651 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 8939 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 12492 |
| IRS990/Desc | 0 | "KNOW THE SIGNS" PREVENTION PROGRAMS - THIS INITIATIVE DELIVERS, AT NO COST, OUR FOUR EVIDENCED-BASED AND INFORMED "KNOW THE SIGNS" PROGRAMS TO YOUTH AND ADULTS NATIONWIDE IN ORDER TO HELP THEM IDENTIFY, INTERVENE AND GET HELP FOR INDIVIDUALS WHO MAY BE AT-RISK OF HURTING THEMSELVES OR OTHERS. THIS INITIATIVE ALSO INCLUDES ON-GOING PROGRAM DEVELOPMENT AND IMPACT MEASUREMENT THROUGH QUANTITATIVE AND QUALITATIVE RESEARCH. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 25 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 2161448 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 26751 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 269 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 9993 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 37013 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 10629 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 107 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 3970 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 14706 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 2391 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 1828 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 9517 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 13736 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 100448 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 100448 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| 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 | 25.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | 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/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 | 11633 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 2354 |
| 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 | 24214 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 7856 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 4404 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 7223 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 5347 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | NICOLE HOCKLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MARK BARDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BILL SHERLACH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | JOE CASSIDY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JACKIE BARDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | MATT BENNETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | IAN HOCKLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | BRADLEY MILES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | PETER WILLNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LORI BERTMAN THROUGH 122016 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | TIM MAKRIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JOSEPH TYRIAN THROUGH 11316 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | JAMES BELDEN THROUGH 3117 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | DAVID CONRAD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | PAULA FYNBOH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | LAUREN ALFRED |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 121318 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 89914 |
| 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 | 179711 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 54076 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 64884 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 25797 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 102500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 107826 |
| 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/TitleTxt | 0 | MANAGING DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | BOARD DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | INTERIM CFO AND BOARD TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | OPERATIONS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | FIELD AND PROGRAM DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | POLICY DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2012 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 94752 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 334698 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 596483 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 2064 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantAmt | 0 | 26850 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 2600 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 2600 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 24250 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 24250 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 11737 |
| IRS990/GrossReceiptsAmt | 0 | 6190841 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 21909 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 10990 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 376 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 36333 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 47699 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 4316 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 3173 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 5014 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 5014 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2844 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 11807 |
| IRS990/IRPDocumentCnt | 0 | 73 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 21824 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 466701 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 792106 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 813930 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 9673 |
| IRS990/LoanOutstandingInd | 0 | 1 |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 80000 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 40000 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| 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 | SANDY HOOK PROMISE FOUNDATION IS A NATIONAL NON-PROFIT ORGANIZATION FOUNDED AND LED BY SEVERAL FAMILY MEMBERS WHO LOST LOVED ONES AT SANDY HOOK ELEMENTARY SCHOOL ON DECEMBER 14, 2012. OUR MISSION IS TO PREVENT GUN VIOLENCE BEFORE IT HAPPENS BY TEACHING YOUTH AND ADULTS HOW TO "KNOW THE SIGNS" OF INDIVIDUALS WHO MAY BE AT-RISK OF HURTING THEMSELVES OR OTHERS AND INTERVENE TO GET THEM HELP. DURING THE YEAR ENDED JUNE 30, 2017, DYLAN'S WINGS OF CHANGE BECAME A FISCALLY-SPONSORED PROJECT OF SANDY HOOK PROMISE. TOTAL ASSETS RELATED TO DYLAN'S WINGS OF CHANGE OF APPROXIMATELY $213,000 WERE CONTRIBUTED INTO THE FOUNDATION TO BE USED SOLELY FOR THE THIS SPONSORED PROJECT. DYLAN'S WINGS IS RUN AS A STANDALONE PROJECT, PAYS SANDY HOOK PROMISE A MONTHLY ADMINISTRATIVE FEE, AND IS GOVERNED BY ITS OWN BOARD OF DIRECTORS. DYLAN'S WINGS OF CHANGE RAISES ITS OWN FUNDING, PAYS ITS OWN EXPENSES, AND DISTRIBUTES ITS OWN GRANTS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 331200 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 326525 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1179787 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2465965 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 2064 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 2064 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 261785 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 261785 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 10401 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 10401 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 1116 |
| IRS990/NoncashContributionsAmt | 0 | 3910 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 45817 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 10276 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 141140 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 197233 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 35131 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1202 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 116137 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 152470 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 12791 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 17111 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 13073 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 68119 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 98303 |
| IRS990/OtherExpensesGrp/Desc | 0 | PROGRAM DEVELOPMENT |
| IRS990/OtherExpensesGrp/Desc | 1 | CONTRACTUAL SERVICES |
| IRS990/OtherExpensesGrp/Desc | 2 | CREDIT CARD REGISTRATIO |
| IRS990/OtherExpensesGrp/Desc | 3 | MISCELLANEOUS EXPENSES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 149934 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 5085 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 67 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1510 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 384 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 900762 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 56009 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 5291 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 900762 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 207453 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 10760 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 67 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 412 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 412 |
| IRS990/OtherRevenueTotalAmt | 0 | 412 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 152044 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 116162 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 605279 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 873485 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 19792 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 15121 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 78792 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 113705 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 28432 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 143140 |
| IRS990/PrincipalOfficerNm | 0 | TIMOTHY MAKRIS |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | BUILD AND ENGAGE AMERICANS - THIS INITIATIVE ATTRACTS, BUILDS AND ENGAGES A COMMITTED INFLUENTIAL MAJORITY OF AMERICANS TO JOIN SANDY HOOK PROMISE IN THE PREVENTION OF GUN VIOLENCE. WE ACHIEVE THIS THROUGH TARGETED MESSAGING AND EDUCATION THROUGH ADVERTISING, PUBLIC RELATIONS, PROMOTION, SOCIAL MEDIA, EVENTS, DOCUMENTARIES AND SPEAKING ENGAGEMENTS. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 1156709 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | ORGANIZE AND MOBILIZE AMERICANS - THIS INITIATIVE BUILDS AND MAINTAINS A NATIONAL GRASSROOTS NETWORK OF VOLUNTEER "PROMISE LEADERS" WHO HAVE BEEN TRAINED AND EMPOWERED WITH THE SKILLS, TOOLS AND MATERIALS TO RAISE AWARENESS, EDUCATE AND HELP IMPLEMENT OUR "KNOW THE SIGNS" PREVENTION PROGRAMS IN THEIR COMMUNITY. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 156086 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | GRANTS AND AWARDS - THIS INITIATIVE PROVIDES FINANCIAL, IN-KIND OR OTHER ASSISTANCE TO IMPACTED GUN VIOLENCE INDIVIDUAL VICTIMS AND/OR FORMED ORGANIZATIONS. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 34906 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 3458116 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 3651 |
| IRS990/PYInvestmentIncomeAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 2024637 |