| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1685 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1710 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | EAST CAMBRIDGE OPEN SPACE TRUST FUND (THE TRUST) IS A MASSACHUSETTS TRUST CREATED FOR THE ACQUISITION, DEVELOPMENT AND/OR THE IMPROVEMENT OF PUBLIC OPEN SPACE AND RECREATION LAND IN EAST CAMBRIDGE MASSACHUSETTS FOR THE BENEFIT OF ALL RESIDENTS. |
| IRS990/AllOtherContributionsAmt | 0 | 12550 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | CARLOE BELLEW |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6178764444 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 105 SPRING STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02141 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 91257 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 82494 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 12550 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 109 |
| IRS990/CYOtherExpensesAmt | 0 | 8833 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 3826 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 8833 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 12659 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | THE TRUST HAS EXPENDED MONIES ON AN OPEN SPACE PROJECT FOR THE BENEFIT OF ALL RESIDENTS OF CAMBRIDGE MASSACHUSETTS. THE COSTS INCLUDED HEREIN ARE DESIGN AND CONTRACTING COSTS SPENT IN ACCORDANCE WITH THIS EFFORT. |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 6310 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1675 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 1675 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/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 | 0.00 |
| 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/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 |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MICHAEL DELIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | WADE PORROVECHIO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | RHONDA MASSIE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | CARLOE BELLEW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ABIGAIL LEWIS-BROWN |
| 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 |
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| 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 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2004 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 12659 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 813 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 813 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1626 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 109 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 109 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | EAST CAMBRIDGE OPEN SPACE TRUST FUND (THE TRUST) IS A MASSACHUSETTS TRUST CREATED FOR THE ACQUISITION, DEVELOPMENT AND/OR THE IMPROVEMENT OF PUBLIC OPEN SPACE AND RECREATION LAND IN EAST CAMBRIDGE MASSACHUSETTS FOR THE BENEFIT OF ALL RESIDENTS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 327027 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 330853 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | LICENSES AND FEES |
| IRS990/OtherExpensesGrp/Desc | 1 | BANK FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | PROJECT COSTS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 17 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 18 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 18 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 18 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 5461 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 35 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 36 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 5461 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 539 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 544 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 50 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 1333 |
| IRS990/PYOtherExpensesAmt | 0 | 341126 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -339743 |
| IRS990/PYTotalExpensesAmt | 0 | 341126 |
| IRS990/PYTotalRevenueAmt | 0 | 1383 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 3826 |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 12500 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 236916 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 249525 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | A DRAFT OF THE 990 IS CIRCULATED AMONG THE BOARD OF TRUSTEES VIA EMAIL WITH OPPORTUNITY FOR EACH TRUSTEE TO COMMENT. AFTER REVIEW, A TRUSTEE SIGNS THE ELECTRONIC FILING AUTHORIZATION AND IT IS FILED IN ACCORDANCE WITH THE RULES AND REGULATIONS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ORGANIZATION HAS NO EMPLOYEES AND CURRENTLY PAYS NO COMPENSATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION HAS NO EMPLOYEES AND CURRENTLY PAYS NO COMPENSATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE TRUST MAKES GOVERNING AND ORGANIZATIONAL DOCUMENTS AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE TRUST MAKES GOVERNING AND ORGANIZATIONAL DOCUMENTS MAKE AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990 governing body review Part VI line 11 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | CEO executive director top management comp Part VI line 15a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Other officer or key employee compensation Part VI line 15b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990 availability to public Part VI line 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Governing documents etc available to public Part VI line 19 |
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| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TempOrPermanentEndowmentsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 328712 |
| IRS990/TotalAssetsEOYAmt | 0 | 332563 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 328712 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 332563 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 12550 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 2523 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 6310 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 8833 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 1685 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 1710 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 1685 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 1710 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 327027 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 330853 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 6310 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 109 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 12659 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 328712 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 332563 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TransactionWithControlEntInd | 0 | false |
| IRS990/TypeOfOrganizationTrustInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UnrestrictedNetAssetsGrp/BOYAmt | 0 | 327027 |
| IRS990/UnrestrictedNetAssetsGrp/EOYAmt | 0 | 330853 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 5 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | CAROLE BELLEW |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TRUSTEE |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6178764444 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2019-05-01 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | EAST CAMBRIDGE OPEN SPACE TRUST FUND |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | EAST |
| ReturnHeader/Filer/EIN | 0 | 900182018 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 105 SPRING STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | CAMBRIDGE |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 02141 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionCreationDeviceId | 0 | 98B8B40370DD95EDD0B061F06060F2CDD182DDB9 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionFilingDeviceId | 0 | 98B8B40370DD95EDD0B061F06060F2CDD182DDB9 |
| ReturnHeader/FilingSecurityInformation/FederalOriginalSubmissionId | 0 | 0425752019122qda3vt4 |
| ReturnHeader/FilingSecurityInformation/FederalOriginalSubmissionIdDt | 0 | 2019-05-02 |
| ReturnHeader/FilingSecurityInformation/FilingLicenseTypeCd | 0 | P |
| ReturnHeader/FilingSecurityInformation/IPAddress/IPv4AddressTxt | 0 | 75.69.146.162 |
| ReturnHeader/FilingSecurityInformation/IPDt | 0 | 2019-05-02 |
| ReturnHeader/FilingSecurityInformation/IPTm | 0 | 19:27:41 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 251905607 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Ellis PC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 505 Congress Street |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Boston |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 02210 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6178419200 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2019-04-28 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Todd Ellis |
| ReturnHeader/ReturnTs | 0 | 2019-04-28T17:46:22-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2018-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2018-12-31 |
| ReturnHeader/TaxYr | 0 | 2018 |