| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 10680 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 26257 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 136 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE FOUNDATION FOR METROWEST CONNECTS PHILANTHROPIC OPPORTUNITY WITH DEMONSTRATED NEED IN METROWEST. WE PROMOTE PHILNTHROPY IN THE REGION, HELP DONORS MAXIMIZE THE IMPACT OF THEIR LOCAL GIVING, SERVE AS A RESOURCE FOR LOCAL NON-PROFIT ORGANIZATIONS, AND ENHANCE THE QUALITY OF LIFE FOR ALL OF OUR CITIZENS. |
| IRS990/AllOtherContributionsAmt | 0 | 3363504 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE ORGANIZATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5086472260 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 3 ELIOT STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NATICK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 01760 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 654227 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 787267 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 55844 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 130303 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 186147 |
| 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/ContriRptFundraisingEventAmt | 0 | 481625 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 3845129 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1366990 |
| IRS990/CYInvestmentIncomeAmt | 0 | 865195 |
| IRS990/CYOtherExpensesAmt | 0 | 492514 |
| IRS990/CYOtherRevenueAmt | 0 | -53955 |
| IRS990/CYProgramServiceRevenueAmt | 0 | -4767 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1796610 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 995488 |
| IRS990/CYTotalExpensesAmt | 0 | 2854992 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 489441 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 4651602 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 4059 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 4059 |
| IRS990/Desc | 0 | TO ATTRACT FUNDS TO DISTRIBUTE GRANTS AND LOANS TO LOCAL AGENCIES BY CREATING AWARENESS AMONG COMMUNITY BUSINESSES AND THE GENERAL PUBLIC FOR CHARITABLE GIVING |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 12 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 1945159 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 27951 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 27951 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 47605 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 8004 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 55609 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ProgramServicesAmt | 0 | 61627 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 61627 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.00 |
| 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/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/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | 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/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 24507 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DAVID SHUMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ANDREA SUSSMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | TOM CROTTY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SUSAN ELLIOTT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | PATTY GANNON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JAMES HANRAHAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JOHN O'NEIL III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | SUSAN KAVOOGIAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARGARET RAMSEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | KYLE SCHAFFER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | KENNETH VONA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LOUIS CROSIER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | ROLAND HOCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | MICHAEL MCAULIFFE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | CHRISTOPHER GULLOTTI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | STEVEN SCHEINKOPF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | DAVID BANNON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | PAUL GRIFFIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | GARRY HOLMES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | TIM KING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | PAMELA LESSER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | ROB VIGODA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | JUDITH SALERNO |
| 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 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 161640 |
| 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/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | MEMBER AT LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | MEMBER AT LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | MEMBER AT LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1995 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 481625 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 68522 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 14567 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 420486 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 16 |
| IRS990/GrantAmt | 0 | 1366990 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 20000 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 23407 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 23407 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 1343583 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 1343583 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 6422901 |
| IRS990/GrossReceiptsAmt | 0 | 10722539 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 16 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 18125 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 35048 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 53173 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 3092 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 3092 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 444709 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 444709 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 18438717 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 18789901 |
| IRS990/IRPDocumentCnt | 0 | 6 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 107295 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 7241 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 10182 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 117477 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 6002415 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE FOUNDATION FOR METROWEST CONNECTS PHILANTHROPIC OPPORTUNITY WITH DEMONSTRATED NEED IN METROWEST. WE PROMOTE PHILANTHROPY IN THE REGION, HELP DONORS MAXIMIZE THE IMPACT OF THEIR LOCAL GIVING, SERVE AS A RESOURCE FOR LOCAL NON-PROFIT ORGANIZATIONS, AND ENHANCE THE QUALITY OF LIFE FOR ALL OF OUR CITIZENS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 22023804 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 21776270 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 420486 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 420486 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -53955 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -53955 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 2000 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -2011023 |
| IRS990/NoncashContributionsAmt | 0 | 376722 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 18048 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 17760 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 24192 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 60000 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 4625 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 21953 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 6200 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 32778 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 242081 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 191173 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -33121 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 13743 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 9051 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 22864 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 45658 |
| IRS990/OtherExpensesGrp/Desc | 0 | DEVELOPMENT EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | PROGRAM SUPPORT |
| IRS990/OtherExpensesGrp/Desc | 2 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 100154 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 4589 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 84037 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 100154 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 84037 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 4589 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 954587 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 877315 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 206489 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 134382 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 345155 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 686026 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 19778 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 19463 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 26512 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 65753 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 3392 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 3125 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 5387 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 11904 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 2907027 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 2611979 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 9378 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 13804 |
| IRS990/PrincipalOfficerNm | 0 | JUDITH SALERNO |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 523000 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | WORKSHOPS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | ADMINISTRATIVE FEE REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 7388 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | -12155 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 7388 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | -12155 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 4899074 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 1240893 |
| IRS990/PYInvestmentIncomeAmt | 0 | 623061 |
| IRS990/PYOtherExpensesAmt | 0 | 577156 |
| IRS990/PYOtherRevenueAmt | 0 | -32559 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 13525 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 2770234 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 914818 |
| IRS990/PYTotalExpensesAmt | 0 | 2732867 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 5503101 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 1 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1796610 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |