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| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | ELIZABETH SULLIVAN |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 6177799200 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 358 WASHINGTON STREET |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | BRIGHTON |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02135 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 111732 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 135936 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 7134 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -8856 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 2370 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 159884 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 156028 |
| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 26932 |
| IRS990EZ/GrossReceiptsAmt | 0 | 110358 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingAccrualInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 159884 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 151028 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 159884 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 151028 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 7193 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 40.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 52000 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | ELIZABETH SULLIVAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | RICHARD MULLIGAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | CHRISTOPHER PARISI |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | JENNIFER CHRISTIE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | COLLEEN SALMON |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | JOHN BLIGH |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | KRISTEN FISCHER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | JEANNE LEVESQUE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | DANITA JO TALBOT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | CHARLIE VASILIADES |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | EXECUTIVE DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | VICE PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | SECRETARY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | DIRECTOR |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 48152 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 20092 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 46341 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | REVITALIZE BRIGHTON MA BUSINESS DISTRICT |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 1056 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 76292 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | SUPPORT AND PROMOTE THE LONG TERM REVITALIZATION OF THE BRIGHTON MASSACHUSETTS BUSINESS DISTRICT |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 100534 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 52000 |
| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 10254 |
| IRS990EZ/SpecialEventsNetIncomeLossAmt | 0 | 16678 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 5000 |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 108960 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 100534 |
| IRS990EZ/TotalRevenueAmt | 0 | 100104 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | BRIGHTONMAINSTREETS.ORG |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 100104 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 196172 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 170881 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 158266 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 59062 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 684485 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 11 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 151 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 251 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 413 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.87900 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.90820 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 602056 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 82429 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 100104 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 196172 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 170881 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 158266 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 59062 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 684485 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 684898 |
| IRS990ScheduleG/AgrmtProfFundraisingActyInd | 0 | false |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | ANNUAL GALA |
| IRS990ScheduleG/InPersonSolicitationsInd | 0 | X |
| IRS990ScheduleG/LicensedStatesCd | 0 | MA |
| IRS990ScheduleG/SolicitationOfNonGovtGrantsInd | 0 | X |
| IRS990ScheduleG/SpecialFundraisingEventsInd | 0 | X |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | DESCRIPTION AMOUNTPROGRAM EXPENSE 17,188INSURANCE 2,062TRAVEL AND MEETINGS 1,186OFFICE EXPENSE AND MISCELLANEOUS 1,960PAYROLL PROCESSING 536PAYROLL TAXES AND OTHER COSTS 4,496SUPPLIES 1,530COMPUTER AND INTERNET 4,263DONATIONS AND SPONSORSHIPS 1,120DESIGN FEES - KIOSK PROJECT 12,000 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | CATEGORY BEGINNING OF YEAR END OF YEARACCOUNTS RECEIVABLE 48,152 20,092 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | CATEGORY BEGINNING OF YEAR END OF YEARDEFERRED REVENUE 0 5,000 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Description of other expenses Part I line 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Description of other assets Part II line 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Description of total liabilities Part II line 26 |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | RICHARD MULLIGAN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6177799200 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2018-10-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | BRIGHTON MAIN STREETS INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | BRIG |
| ReturnHeader/Filer/EIN | 0 | 043407004 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 358 WASHINGTON STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | BRIGHTON |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 02135 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionCreationDeviceId | 0 | BC153711BE3F33612665D76F62A8058DD8B2604F |
| ReturnHeader/FilingSecurityInformation/AtSubmissionFilingDeviceId | 0 | BC153711BE3F33612665D76F62A8058DD8B2604F |
| ReturnHeader/FilingSecurityInformation/FederalOriginalSubmissionId | 0 | 0408512019050x0dnkhl |
| ReturnHeader/FilingSecurityInformation/FederalOriginalSubmissionIdDt | 0 | 2019-02-19 |
| ReturnHeader/FilingSecurityInformation/FilingLicenseTypeCd | 0 | P |
| ReturnHeader/FilingSecurityInformation/IPAddress/IPv4AddressTxt | 0 | 71.184.72.64 |
| ReturnHeader/FilingSecurityInformation/IPDt | 0 | 2019-02-19 |
| ReturnHeader/FilingSecurityInformation/IPTm | 0 | 13:04:04 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 462169656 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | RICK BORNSTEIN CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 22 CUSTER STREET UNIT1 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | JAMAICA PLAIN |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 02130 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6179907397 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2019-02-19 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | RICK BORNSTEIN CPA |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2019-02-19T12:44:23-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2017-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2018-06-30 |
| ReturnHeader/TaxYr | 0 | 2017 |