Liabilities / Assets
29th percentile
Tied with the lowest-debt nonprofits in its peer group.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
29th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
29th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
38th percentile
Higher net margin than 38% of similar nonprofits.
Top Officer Pay
55th percentile
Higher top officer pay than 55% of similar nonprofits.
Top officer pay equals 35.3% of source-year revenue.
Asset Growth
54th percentile
Faster asset growth than 54% of similar nonprofits.
Revenue Growth
18th percentile
Faster revenue growth than 18% of similar nonprofits.
Assets
Up$1,681,265
Up $54,433 (+3.3%) from 2018
Net Assets
Up$1,681,265
Up $54,433 (+3.3%) from 2018
Liabilities
Flat$0
Flat from 2018
Revenue
Down$113,342
Down $26,366 (-19%) from 2018
Expenses
Down$114,744
Down $13,996 (-11%) from 2018
Net Income
Down-$1,402
Down $12,370 (-113%) from 2018
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| FRANK B MAZER | Trustee | PT | $40,000 | - | $40,000 |
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990PF/AnalysisIncomeProducingActyGrp/DivAndIntFromSecPartVIIGrp/RelatedOrExemptFunctionIncmAmt | 0 | 396 |
| IRS990PF/AnalysisIncomeProducingActyGrp/GainSalesAstOthThanInvntryGrp/RelatedOrExemptFunctionIncmAmt | 0 | 138719 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherInvestmentIncmPartVIIGrp/RelatedOrExemptFunctionIncmAmt | 0 | 25773 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/RelatedOrExemptFunctionIncmAmt | 0 | 113342 |
| IRS990PF/AnalysisIncomeProducingActyGrp/TotalIncomeProducingActyAmt | 0 | 113342 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CapGainNetIncmNetInvstIncmAmt | 0 | 138719 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CompOfcrDirTrstRevAndExpnssAmt | 0 | 40000 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidDsbrsChrtblAmt | 0 | 58850 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidRevAndExpnssAmt | 0 | 58850 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsAdjNetIncmAmt | 0 | 396 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsNetInvstIncmAmt | 0 | 396 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsRevAndExpnssAmt | 0 | 396 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ExcessRevenueOverExpensesAmt | 0 | -1402 |
| IRS990PF/AnalysisOfRevenueAndExpenses/GrossSalesPriceAmt | 0 | 138719 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesRevAndExpnssAmt | 0 | 540 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetGainSaleAstRevAndExpnssAmt | 0 | 138719 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetInvestmentIncomeAmt | 0 | 111631 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesAdjNetIncmAmt | 0 | 1711 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesNetInvstIncmAmt | 0 | 1711 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesRevAndExpnssAmt | 0 | 6058 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeAdjNetIncmAmt | 0 | -25773 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeNetInvstIncmAmt | 0 | -25773 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeRevAndExpnssAmt | 0 | -25773 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesRevAndExpnssAmt | 0 | 9296 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ScheduleBNotRequiredInd | 0 | X |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalAdjNetIncmAmt | 0 | -25377 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesAdjNetIncmAmt | 0 | 1711 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesDsbrsChrtblAmt | 0 | 58850 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesNetInvstIncmAmt | 0 | 1711 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesRevAndExpnssAmt | 0 | 114744 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalNetInvstIncmAmt | 0 | 113342 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalRevAndExpnssAmt | 0 | 113342 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesAdjNetIncmAmt | 0 | 1711 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesDsbrsChrtblAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesNetInvstIncmAmt | 0 | 1711 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesRevAndExpnssAmt | 0 | 55894 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/AcquiredDt | 0 | 2013-01-01 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/AcquiredDt | 1 | 2014-01-01 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/AcquiredDt | 2 | 2015-01-01 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/AcquiredDt | 3 | 2017-01-01 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 0 | 58920 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 1 | 40422 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 2 | 39185 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 3 | 192 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 0 | 58920 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 1 | 40422 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 2 | 39185 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 3 | 192 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GrossSalesPriceAmt | 0 | 58920 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GrossSalesPriceAmt | 1 | 40422 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GrossSalesPriceAmt | 2 | 39185 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GrossSalesPriceAmt | 3 | 192 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/HowAcquiredCd | 0 | P |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/HowAcquiredCd | 1 | P |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/HowAcquiredCd | 2 | P |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/HowAcquiredCd | 3 | P |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 0 | Eastham Capital Fund II 27-1331150 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 1 | Eastham Capital Fund III 80-0785654 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 2 | Eastham Capital Fund IV 61-1734102 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 3 | LaunchCapital LLC 26-2099179 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/SoldDt | 0 | 2019-03-31 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/SoldDt | 1 | 2019-09-30 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/SoldDt | 2 | 2018-09-30 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/SoldDt | 3 | 2018-03-01 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapitalGainNetIncomeAmt | 0 | 138719 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/ExcessRevenueOverExpensesAmt | 0 | -1402 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/OtherDecreasesAmt | 0 | 2000 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/OtherIncreasesAmt | 0 | 57835 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/SubtotalAmt | 0 | 1683265 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 1626832 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 1681265 |
| IRS990PF/DistributableAmountGrp/Sect4942j3j5FndtnAndFrgnOrgInd | 0 | X |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/AppliedToESTaxAmt | 0 | 766 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EsPenaltyAmt | 0 | 83 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EstimatedPlusOvpmtIncmTxAmt | 0 | 82 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExtsnRequestIncomeTaxPaidAmt | 0 | 3000 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/Form2220AttachedInd | 0 | X |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/InvestmentIncomeExciseTaxAmt | 0 | 2233 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/OverpaymentAmt | 0 | 766 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/SubtotalAmt | 0 | 2233 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 2233 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TotalPaymentsAndCreditsAmt | 0 | 3082 |
| IRS990PF/FMVAssetsEOYAmt | 0 | 1384418 |
| IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockBOYAmt | 0 | 1553319 |
| IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockEOYAmt | 0 | 1609154 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockBOYAmt | 0 | 150000 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYAmt | 0 | 150000 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYFMVAmt | 0 | 150000 |
| IRS990PF/Form990PFBalanceSheetsGrp/OrgDoesNotFollowSFAS117Ind | 0 | X |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsBOYAmt | 0 | 1350810 |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsEOYAmt | 0 | 1429480 |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsEOYFMVAmt | 0 | 1132540 |
| IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningBOYAmt | 0 | 73513 |
| IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningEOYAmt | 0 | 72111 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstBOYAmt | 0 | 126022 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYAmt | 0 | 101785 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYFMVAmt | 0 | 101878 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsBOYAmt | 0 | 1626832 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYAmt | 0 | 1681265 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYFMVAmt | 0 | 1384418 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstBOYAmt | 0 | 1626832 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstEOYAmt | 0 | 1681265 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 1626832 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 1681265 |
| IRS990PF/MethodOfAccountingCashInd | 0 | X |
| IRS990PF/MinimumInvestmentReturnGrp/AdjustedTotalFMVOfUnusedAstAmt | 0 | 1376888 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt | 0 | 135133 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt | 0 | 1241755 |
| IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt | 0 | 20653 |
| IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt | 0 | 67812 |
| IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt | 0 | 1356235 |
| IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/TotalFMVOfUnusedAssetsAmt | 0 | 1376888 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt | 0 | NONE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdEmplOrNONETxt | 0 | NONE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 8.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 0 | 40000 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 0 | FRANK B MAZER |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 0 | Trustee |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 0 | 10 SAVILLE STREET |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 0 | 021381310 |
| IRS990PF/Organization501c3ExemptPFInd | 0 | X |
| IRS990PF/PrivateOperatingFoundationsGrp/LessorAdjNetIncmMinInvstRetGrp/CurrentYearAmt | 0 | 0 |
| IRS990PF/PrivateOperatingFoundationsGrp/LessorAdjNetIncmMinInvstRetGrp/TotalAmt | 0 | 0 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistributionsGrp/CurrentYearAmt | 0 | 58850 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistributionsGrp/TotalAmt | 0 | 330400 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistributionsGrp/Year1Amt | 0 | 70950 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistributionsGrp/Year2Amt | 0 | 117100 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistributionsGrp/Year3Amt | 0 | 83500 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistriMadeDrtGrp/CurrentYearAmt | 0 | 58850 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistriMadeDrtGrp/TotalAmt | 0 | 330400 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistriMadeDrtGrp/Year1Amt | 0 | 70950 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistriMadeDrtGrp/Year2Amt | 0 | 117100 |
| IRS990PF/PrivateOperatingFoundationsGrp/QualifyingDistriMadeDrtGrp/Year3Amt | 0 | 83500 |
| IRS990PF/PrivateOperatingFoundationsGrp/Section4942j3Ind | 0 | X |
| IRS990PF/PrivateOperatingFoundationsGrp/TwoThirdsMinimumInvstRetGrp/CurrentYearAmt | 0 | 45208 |
| IRS990PF/PrivateOperatingFoundationsGrp/TwoThirdsMinimumInvstRetGrp/TotalAmt | 0 | 207534 |
| IRS990PF/PrivateOperatingFoundationsGrp/TwoThirdsMinimumInvstRetGrp/Year1Amt | 0 | 44521 |
| IRS990PF/PrivateOperatingFoundationsGrp/TwoThirdsMinimumInvstRetGrp/Year2Amt | 0 | 53383 |
| IRS990PF/PrivateOperatingFoundationsGrp/TwoThirdsMinimumInvstRetGrp/Year3Amt | 0 | 64422 |
| IRS990PF/QualifyingDistriPartXIIGrp/AdjustedQualifyingDistriAmt | 0 | 58850 |
| IRS990PF/QualifyingDistriPartXIIGrp/ExpensesAndContributionsAmt | 0 | 58850 |
| IRS990PF/QualifyingDistriPartXIIGrp/QualifyingDistributionsAmt | 0 | 58850 |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/LineNumberTxt | 0 | 4 |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/RelationshipStatementTxt | 0 | THE CORPUS OF THE TRUST IS BEING HELD FOR INVESTMENT PURPOSES.THE ENTIRE AMOUNT OF THE GROSS INVESTMENT WILL BE USED IN THE FURTHERANCE OF THE FOUNDATION'S EXEMPT PURPOSE. AN ADMINISTRATIVE FEE MAY BE PAID FOR ACTIVITIES DIRECTLY ASSOCIATED WITH THE ACTIVE CONDUCT OF THE PURPOSE OF THE ORGANIZATION. THE BALANCE WHICH IS ANTICIPATED TO COMPRISE AT LEAST 85% OF THE GROSS RECEIPTS, WILL BE CONTRIBUTED ANNUALLY TO CHARITABLE ORGANIZATIONS QUALIFYING UNDER SECTION 501 (C)(3) OF THE INTERNAL REVENUE SERVICE. DURING THIS TAXABLE YEAR, $58,850 IN QUALIFYING DISTRIBUTIONS WERE PAID. |
| IRS990PF/StatementsRegardingActy4720Grp/ActsFailToQlfyAsExceptionsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/ExcessBusinessHoldingsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/MaintainedExpenditureRspnsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/ProceedsOrNetIncomeInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/TransactionsFailToQlfyAsExcInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UndistrIncmSect4942a2NotAppInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/Form990TFiledInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt | 0 | 10 SAVILLE STREET |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm | 0 | CAMBRIDGE |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd | 0 | 021381310 |
| IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd | 0 | MA |
| IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt | 0 | FRANK B MAZER |
| IRS990PF/StatementsRegardingActyGrp/PhoneNum | 0 | 6177178439 |
| IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt | 0 | N/A |
| IRS990PF/SummaryOfDirectChrtblActyGrp/Description1Txt | 0 | None |
| IRS990PF/SummaryOfDirectChrtblActyGrp/Expenses1Amt | 0 | 0 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/FormAndInfoAndMaterialsTxt | 0 | NO RESTRICTIONS ON FORMAT |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientPersonNm | 0 | FRANK B MAZER |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientPhoneNum | 0 | 6174923486 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/AddressLine1Txt | 0 | 10 SAVILLE STREET |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/CityNm | 0 | CAMBRIDGE |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/ZIPCd | 0 | 02138 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RestrictionsOnAwardsTxt | 0 | NONE |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/SubmissionDeadlinesTxt | 0 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 0 | 10000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 1 | 34900 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 2 | 100 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 3 | 500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 4 | 1000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 5 | 1250 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 6 | 500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 7 | 10000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 8 | 500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 9 | 100 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 0 | Educational Purposes |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 1 | Treatment for Medical Addiction |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 2 | Educational Purposes |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 3 | Housing Assistance Purposes |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 4 | Educational, Arts, Health, Recreational Purposes |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 5 | Educational/Journalism |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 6 | Rescue/Emergency Services; Parent,Teachers Association |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 7 | Philanthropic Expertise |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 8 | EducationalPurposes |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 9 | Educational Purposes |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 0 | Arts For All Incorporated |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 1 | Right Turn |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 2 | City of Cambridge Scholarship Trust Fund |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 3 | Islesboro Affordable Property |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 4 | Islesboro Community Center |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 5 | Pulitzer Center on Crisis Reporting |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 6 | Islesboro Ambulance Ass Islesboro ME |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 7 | National Philanthropic Trust |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 8 | Second Baptist Church |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 9 | American Indian College Fund |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 0 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 1 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 2 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 3 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 4 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 5 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 6 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 7 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 8 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 9 | 501(c)(3) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 0 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 1 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 2 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 3 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 4 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 5 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 6 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 7 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 8 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 9 | independent |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 0 | 9a Station Street |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 1 | 440 Arsenal Street |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 2 | 795 Massachusetts Avenue |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 3 | PO BOX 206 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 4 | 103 Pendleton Point RD |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 5 | 1779 Massachusetts Ave NW 615 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 6 | PO BOX 277 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 7 | 165 Township Line Road |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 8 | 108 Main Road |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 9 | 8333 Greenwood BLVD |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 0 | Brookline |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 1 | Watertown |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 2 | Cambridge |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 3 | Islesboro |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 4 | Islesboro |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 5 | Washington |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 6 | Islesboro |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 7 | Jenkintown |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 8 | Islesborough |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 9 | Denver |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 1 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 2 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 3 | ME |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 4 | ME |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 5 | DC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 6 | ME |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 7 | PA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 8 | ME |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 9 | CO |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 0 | 02445 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 1 | 02472 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 2 | 02139 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 3 | 04848 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 4 | 04848 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 5 | 20036 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 6 | 04848 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 7 | 19046 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 8 | 04848 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 9 | 80221 |
| IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt | 0 | 58850 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd | 0 | false |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd | 0 | false |
| LegalFeesSchedule/LegalFeesGrp/AdjustedNetIncomeAmt | 0 | 0 |
| LegalFeesSchedule/LegalFeesGrp/CategoryTxt | 0 | Legal |
| LegalFeesSchedule/LegalFeesGrp/DisbursementsCharitablePrpsAmt | 0 | 0 |
| LegalFeesSchedule/LegalFeesGrp/LegalFeesAmt | 0 | 540 |
| LegalFeesSchedule/LegalFeesGrp/NetInvestmentIncomeAmt | 0 | 0 |
| OtherDecreasesSchedule/OtherDecreasesDetail/Amt | 0 | 2000 |
| OtherDecreasesSchedule/OtherDecreasesDetail/Desc | 0 | Federal Excise Tax Payment |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/AdjustedNetIncomeAmt | 0 | 30 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/AdjustedNetIncomeAmt | 1 | 1494 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/AdjustedNetIncomeAmt | 2 | 137 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/AdjustedNetIncomeAmt | 3 | 50 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 0 | Eastham Capital Fund II 37-1836095 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 1 | Eastham Capital Fund III 80-0785654 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 2 | Eastham Capital Fund IV 61-1734102 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 3 | Filing Fees |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 4 | Small Equipment/Tools |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 5 | Memberships/Dues |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 6 | Service Fees/Other |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 7 | Other Promotional/Public Event |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 0 | 30 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 1 | 1494 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 2 | 137 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 3 | 50 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 0 | 30 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 1 | 1494 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 2 | 137 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 3 | 35 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 4 | 1142 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 5 | 175 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 6 | 50 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 7 | 2995 |
| OtherIncomeSchedule2/OtherIncomeDetail/AdjustedNetIncomeAmt | 0 | -25773 |
| OtherIncomeSchedule2/OtherIncomeDetail/Desc | 0 | Other Investment Income |
| OtherIncomeSchedule2/OtherIncomeDetail/NetInvestmentIncomeAmt | 0 | -25773 |
| OtherIncomeSchedule2/OtherIncomeDetail/RevenueAndExpensesPerBooksAmt | 0 | -25773 |
| OtherIncreasesSchedule/OtherIncreasesDetail/Amt | 0 | 57835 |
| OtherIncreasesSchedule/OtherIncreasesDetail/Desc | 0 | Investments K-1s cash distributions in excess of net income |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/AdjustedNetIncomeAmt | 0 | 0 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/AdjustedNetIncomeAmt | 1 | 0 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt | 0 | 3296 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt | 1 | 6000 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt | 0 | Tax and Accounting Services |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt | 1 | Other Consulting |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/DisbursementsCharitablePrpsAmt | 0 | 0 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/DisbursementsCharitablePrpsAmt | 1 | 0 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt | 0 | 0 |
| OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt | 1 | 0 |
| ReturnHeader/BuildTS | 0 | 2022-09-23 18:48:47Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | FRANK B MAZER |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Trustee |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6177178439 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2020-08-06 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | THE FRANK B MAZER FOUNDATION |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | FRAN |
| ReturnHeader/Filer/EIN | 0 | 046875253 |
| ReturnHeader/Filer/PhoneNum | 0 | 6177178439 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 10 SAVILLE STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | CAMBRIDGE |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 02138 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 042918306 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Robert B Abel CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 14 Arrow Street |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Cambridge |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 02138 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6174920900 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Robert B Abel CPA |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2020-08-06T11:31:52-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990PF |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2018-10-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2019-09-30 |
| ReturnHeader/TaxYr | 0 | 2018 |
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Displayed year
2019 • Form 990PFDetailed filing. Detailed filing data is available for this year.