| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 23861 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 30294 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 786 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 195 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE CAMBRIDGE COMMUNITY ACTIVITIES PROGRAM ENCOURAGES AND PROMOTES LIFE-LONG WELLNESS BY PROVIDING PROGRAMS AND SERVICES TO THE CAMBRIDGE AREA. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 410 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 5370 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 5780 |
| IRS990/AllOtherContributionsAmt | 0 | 192958 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | LESLI RUMPF |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6084238108 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 403 BLUE JAY WAY |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | WI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 535239547 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 74612 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 92360 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 1 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 457 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 2830 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 49623 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 52910 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CostOfGoodsSoldAmt | 0 | 8967 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 199542 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 405 |
| IRS990/CYOtherExpensesAmt | 0 | 341135 |
| IRS990/CYOtherRevenueAmt | 0 | 12228 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 603049 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 107155 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 366934 |
| IRS990/CYTotalExpensesAmt | 0 | 708069 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 867 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 815224 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 3057 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 7752 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 2816 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 15195 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 18011 |
| IRS990/Desc | 0 | WE MANAGE RIPLEY PARK AND THE CAMBRIDGE COMMUNITY FITNESS CENTER. RIPLEY PARK IS A PRIVATELY-OWNED 18 ACRE BEACH FRONT PARK THAT WE MANAGE ON BEHALF OF THE CAMBRIDGE FOUNDATION. THE FITNESS CENTER IS HOUSED IN THE CAMBRIDGE HIGH SCHOOL AND OFFERS FITNESS OPPORTUNITIES FOR THE CAMBRIDGE COMMUNITY. WE ALSO OFFER ADULT AND YOUTH ENRICHMENT PROGRAMS, FAMILY PROGRAMMING, AND ADULT AND YOUTH ATHLETIC PROGRAMS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 113 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 187137 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FederatedCampaignsAmt | 0 | 3084 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1650 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 1650 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 1588 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 1588 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 14028 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 14028 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| 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 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 5.00 |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 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/PersonNm | 0 | EDDIE PAHUSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JODY WILKE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | KRIS FREY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | PETER VANDENEINDE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JIM WOMBLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | TRACY SMITHBACK-TRAVIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | TIM BOLGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JESSICA STENKLYFT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KATIE JEFFERY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | JOE BRADY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | BERNIE NIKOLAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LESLI RUMPF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | KATHRYN JENKINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | CHAD HOLPFER |
| 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/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/TitleTxt | 0 | CHAIRPERSON |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | FINANCE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR OF AQUATICS OPERA |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | PARK, RECREATION & YOUTH D |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2003 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GamingDirectExpensesAmt | 0 | 3693 |
| IRS990/GamingGrossIncomeAmt | 0 | 6830 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 11 |
| IRS990/GovernmentGrantsAmt | 0 | 3500 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 827884 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 18058 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 11 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 12685 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 2724 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 15409 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 405 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 405 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 71794 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 52387 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 73807 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 145601 |
| IRS990/LegalDomicileStateCd | 0 | WI |
| 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 | IT IS OUR MISSION TO ENCOURAGE AND PROMOTE LIFE-LONG WELLNESS BY PROVIDING A VARIETY OF HIGH-QUALITY RECREATIONAL ACTIVITIES, LEARNING OPPORTUNITIES, AQUATICS PROGRAMS, AND SERVICES TO THE BROAD CAMBRIDGE AREA COMMUNITY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 174511 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 281666 |
| IRS990/NetIncomeFromGamingGrp/ExclusionAmt | 0 | 3137 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 3137 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 9091 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 9091 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NoncashContributionsAmt | 0 | 112140 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 4672 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 16765 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 21437 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 16579 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 29921 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 46500 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 4787 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 4917 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 9704 |
| IRS990/OtherExpensesGrp/Desc | 0 | FOOD PANTRY SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 1 | ATHLETIC SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 2 | AQUATIC SUPPLIES |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 113565 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 33623 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 13241 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 113565 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 33623 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 13241 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 66462 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 261864 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 328326 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 5502 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 20142 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 25644 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 804 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 2456 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 3260 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | EDDIE PAHUSKI |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 713940 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 713990 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 713940 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 713940 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | REGISTRATION FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | PROGRAM SERVICE FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | POOL AND PARK MEMBERSH |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | ADMISSIONS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 343948 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 179840 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 39739 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 39522 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 343948 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 179840 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 39739 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 39522 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | WE MANAGE THE CAMBRIDGE FOOD PANTRY WITH THE ASSISTANCE OF MANY GENEROUS VOLUNTEERS, CHURCHES, AND COMMUNITY ORGANIZATIONS. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 155574 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | WE OPERATE BEFORE AND AFTER SCHOOL PROGRAMS OUT OF THE CAMBRIDGE ELEMENTARY SCHOOL. CHILDREN ENGAGE IN MANY EXCITING LEARNING ADVENTURES. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 127947 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 299237 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | WE MANAGE THE CAMBRIDGE AREA POOL. THE POOL OFFERS YEAR-ROUND MEMBERSHIPS, SWIM LESSONS, WATER AEROBICS, TWO SEASONS OF BLUE FINS SWIM TEAM, AND NUMEROUS SPECIAL EVENTS, THEMED BIRTHDAY PARTIES, AND RENTAL OPPORTUNITES IN THE CAMBRIDGE AREA. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 109022 |
| IRS990/ProgSrvcAccomActyOtherGrp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 0 | 92660 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 188966 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 207 |
| IRS990/PYOtherExpensesAmt | 0 | 323189 |
| IRS990/PYOtherRevenueAmt | 0 | 4213 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 476793 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 8516 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 338474 |
| IRS990/PYTotalExpensesAmt | 0 | 661663 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 670179 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 107155 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 211152 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 73644 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 153350 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 199542 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 188966 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 160079 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 163300 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 207801 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 919688 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus1YearAmt | 0 | 176406 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 232014 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 243362 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 240839 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 892621 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 406 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 207 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 253 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 268 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 530 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 1664 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 2589718 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.99910 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.99920 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1812309 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 199542 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 365372 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 392093 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 406662 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 448640 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1812309 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1813973 |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 24895 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 38583 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 63478 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 48689 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 29709 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 78398 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 223 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 3502 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 3725 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 73807 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990ScheduleM/AnyPropertyThatMustBeHeldInd | 0 | 0 |
| IRS990ScheduleM/FoodInventoryGrp/ContributionCnt | 0 | 64821 |
| IRS990ScheduleM/FoodInventoryGrp/MethodOfDeterminingRevenuesTxt | 0 | AVERAGE PRICE PER POUND |
| IRS990ScheduleM/FoodInventoryGrp/NonCashCheckboxInd | 0 | X |
| IRS990ScheduleM/FoodInventoryGrp/NoncashContributionsRptF990Amt | 0 | 112140 |
| IRS990ScheduleM/Form8283ReceivedCnt | 0 | 0 |
| IRS990ScheduleM/ReviewProcessUnusualNCGiftsInd | 0 | 1 |
| IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION IS REPORTING IN COLUMN B THE TOTAL NUMBER OF POUNDS OF FOOD DONATED. FOOD IS VALUED USING AN AVERAGE PRICE PER POUND OF $1.73. |
| IRS990ScheduleM/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, COLUMN (B): |
| IRS990ScheduleM/ThirdPartiesUsedInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE SCHOOL DISTRICT OF CAMBRIDGE DONATED THE SERVICES OF THE FOLLOWING PEOPLE TO ACT AS OFFICERS OF CAMBRIDGE COMMUNITIES ACTIVITIES PROGRAM, INC.: LESLI RUMPF, EXECUTIVE DIRECTOR; CHAD HOLPFER, PARKS, RECREATION, AND YOUTH DIRECTOR, AND KATHRYN JENKINS, DIRECTOR OF AQUATICS OPERATIONS. DURING 2018, LESLI RUMPF RECEIVED $59,618 OF COMPENSATION AND $4,032 OF BENEFITS, CHAD HOLPFER RECEIVED $42,958 OF COMPENSATION AND $3,237 OF BENEFITS, AND KATHRYN JENKINS RECEIVED $37,952 OF COMPENSATION AND $2,834 OF BENEFITS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | DURING 2018 THE ORGANIZATION AMENDED THEIR PURPOSE STATEMENT OF THEIR BYLAWS TO: TO DEVELOP AND IMPLEMENT A COMMUNITY ACTIVITIES PROGRAM; ONCE CREATED, TO HAVE OVERSIGHT OF YOUTH, ADULT, AND COMMUNITY PROGRAM ACTIVITIES WITH SCHOOL DISTRICT ACTIVITIES AND RAISE FUNDS TO SUPPORT CAMBRIDGE COMMUNITY ACTIVITIES PROGRAM. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE PREPARED FORM 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR AND CHAIRPERSON BEFORE THE RETURN IS FILED WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE ORGANIZATION'S CONFLICT OF INTEREST POLICY COVERS ALL DIRECTORS AND EMPLOYEES. ANY DIRECTOR OR EMPLOYEE IS CONSIDERED AN INTERESTED PERSON. IN CONNECTION WITH ANY ACTUAL OR POSSIBLE CONFLICT OF INTEREST THE INTERESTED PERSON MUST DISCLOSE ALL MATERIAL FACTS TO THE DIRECTORS. IF THE DIRECTORS DETERMINE THAT A CONFLICT OF INTEREST MAY EXIST THE INTERESTED PERSON CANNOT BE PRESENT AT THE MEETING WHILE THE DETERMINATION OF A CONFLICT OF INTEREST IS DISCUSSED AND VOTED UPON. IF A CONFLICT THAT MAY AFFECT THE DAILY OR LONG-TERM OPERATIONS OF THE ORGANIZATION IS IDENTIFIED EITHER THE CONFLICT IS REMOVED OR THE PERSON IS ASKED TO NO LONGER SERVE IN SUCH CAPACITY. TO ENSURE THAT THE ORGANIZATION OPERATES IN A MANNER CONSISTENT WITH CHARITABLE PURPOSES AND DOES NOT ENGAGE IN ACTIVITIES THAT COULD JEOPARDIZE ITS TAX-EXEMPT STATUS, EACH DIRECTOR AND EMPLOYEE MUST ANNUALLY SIGN A STATEMENT THAT AFFIRMS THAT SUCH PERSON HAS RECEIVED A COPY OF THE CONFLICT OF INTEREST POLICY, HAS READ AND UNDERSTANDS THE POLICY, AND HAS AGREED TO COMPLY WITH THE POLICY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | ON AN ANNUAL BASIS THE DIRECTORS RESEARCH COMPENSATION DATA AND CONSULT WITH THE SCHOOL DISTRICT'S BUSINESS MANAGER. THE DIRECTORS ALSO REVIEW THE STATEWIDE SCHOOL SALARY SURVEY AND USE IT TO DELIBERATE AND MAKE FINAL DECISIONS REGARDING COMPENSATION FOR THE EXECUTIVE DIRECTOR AND ALL EMPLOYEES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | THE ORGANIZATION MADE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 4 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART VI, SECTION C, LINE 19 |