| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 55937 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 83399 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | PROVIDE RESOURCES AND SUPPORT TO ARCA A 501(C)(3) ORGANIZATION AND A RELATED PARTY. |
| IRS990/AllOtherContributionsAmt | 0 | 598057 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | ARCA |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine2Txt | 0 | ANGIE JULIAN CFO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5053326700 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 11300 LOMAS BLVD NE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ALBUQUERQUE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NM |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 87112 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 585349 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 569188 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/ContriRptFundraisingEventAmt | 0 | 92476 |
| IRS990/CreditCounselingInd | 0 | true |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 730921 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 759149 |
| IRS990/CYInvestmentIncomeAmt | 0 | 93270 |
| IRS990/CYOtherExpensesAmt | 0 | 238222 |
| IRS990/CYOtherRevenueAmt | 0 | -5087 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 130904 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -47363 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 997371 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 109744 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 950008 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | PROVIDE RESOURCES AND SUPPORT TO ARCA A 501(C)(3) ORGANIZATION AND A RELATED PARTY. ACTIVITIES INCLUDE RAISING CONTRIBUTIONS THROUGH VARIOUS MEANS. ACTIVITIES ALSO INCLUDE MANAGING INVESTMENT AND ENDOWMENT FUNDS WITH ARCA AS THE BENEFICIARY OF THOSE FUNDS. ARCA PROVIDES SERVICES TO APPROXIMATELY 600 INDIVIDUALS WITH DEVELOPMENTAL DISABILITIES. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 1636813 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 1884074 |
| IRS990/ExpenseAmt | 0 | 759149 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FederatedCampaignsAmt | 0 | 40388 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 79741 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 79741 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 159482 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 41781 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 41781 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 34.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 34.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 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/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 | 3879 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 10006 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 8387 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JOEY SANCHEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MAUREEN GANNON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BETTY VALDEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | PHIL MAYO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | NOEL BEHNE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | DEANN EATON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JAMES SAYA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | CHRISTOPHER KELLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JOHN STICHMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | SUSAN HANSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CARLENE PATTERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ROLLEY LONGLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | LORI FERRARO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | ANGIE JULIAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | EDWARD J KAUL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | MICHELE CODY |
| 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/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 | 91590 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 117385 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 85827 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | ASSISTANT TR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | IMMED PAST P |
| 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 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | CEO/PRESIDEN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | EXECUTIVE DI |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1996 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingAmt | 0 | 92476 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 5087 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 59876 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 13 |
| IRS990/GrantAmt | 0 | 759149 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 759149 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 759149 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 809604 |
| IRS990/GrossReceiptsAmt | 0 | 1704823 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 13 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 33394 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 33394 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 3001349 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 3070373 |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1162775 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1169275 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1169275 |
| IRS990/LegalDomicileStateCd | 0 | NM |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 749728 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 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 | PROVIDE RESOURCES AND SUPPORT TO ARCA A 501(C)(3) ORGANIZATION AND A RELATED PARTY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5279039 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 5200000 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 59876 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 59876 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -5087 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -5087 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -31676 |
| IRS990/NoncashContributionsAmt | 0 | 67901 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 2954 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 2954 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1675 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1675 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1636813 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1884074 |
| IRS990/OtherExpensesGrp/Desc | 0 | PUBLIC RELATIONS |
| IRS990/OtherExpensesGrp/Desc | 1 | PERSONS SERVED |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 30003 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1937 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 30003 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 1937 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 859948 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 866278 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 19241 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 24397 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 474 |
| IRS990/PrincipalOfficerNm | 0 | PHIL MAYO |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 525920 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TRUST FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 130904 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 130904 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | ARCA FOUNDATION IS TRUSTEE OF TWO SPECIAL NEEDS TRUSTS, ARCA FOUNDATION DONOR POOLED TRUST AND ARCA FOUNDATION GRANTOR POOLED TRUST. BOTH TRUSTS ARE USED FOR THE BENEFIT OF PEOPLE WITH DEVELOPMENTAL DISABILITIES. DEPOSITS ARE MADE BY THE PERSON WITH A DEVELOPMENTAL DISABILITY (GRANTOR TRUST) OR BY A PARTY FOR THE PERSON WITH A DEVELOPMENTAL DISABILITY (DONOR TRUST). WITHDRAWALS ARE APPROVED BY AN OFFICER OF ARCA FOUNDATION AND ARE FOR SPECIAL NEEDS OF THE TRUST BENEFICIARIES. REMAINDER AMOUNTS ARE DETERMINED BY THE JOINDER AGREEMENT. |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 130904 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 1959349 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 1142849 |
| IRS990/PYInvestmentIncomeAmt | 0 | -65456 |
| IRS990/PYOtherExpensesAmt | 0 | 175018 |
| IRS990/PYOtherRevenueAmt | 0 | -5125 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 146428 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 717329 |
| IRS990/PYTotalExpensesAmt | 0 | 1317867 |
| IRS990/PYTotalRevenueAmt | 0 | 2035196 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -47363 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 565788 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 450166 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | true |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | true |
| IRS990ScheduleA/IRSWrittenDeterminationInd | 0 | X |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 856005755 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 7 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 759149 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | ARCA |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine2Txt | 0 | ARCA |
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| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 69238 |
| IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt | 0 | 32842 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1007435 |
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| IRS990ScheduleD/LandGrp/InvestmentCostOrOtherBasisAmt | 0 | 1169275 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 1884074 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | CASH HELD IN TRUST FOR BENEFICIARIES |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 0.69000 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE FOUNDATION ACTS AS CUSTODIAN FOR CLIENT FUNDS HELD. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | ENDOWMENT FUNDS ARE HELD BY ALBUQUERQUE COMMUNITY FOUNDATION AND NEW MEXICO COMMUNITY FOUNDATION, BOTH UNRELATED ORGANIZATIONS. ENDOWMENT FUNDS ARE DESIGNATED BY DONORS TO BE HELD IN PERPETUITY FOR ARCA OR DESIGNATED BY THE BOARD OF DIRECTORS OF ARCA, A RELATED ORGANIZATION. ON AN ANNUAL BASIS THE BOARD MAY ELECT TO WITHDRAW UP TO 5% OF THE AVERAGE MARKET VALUE, BASED ON THE PREVIOUS 12 QUARTER (3YRS) AVERAGE BALANCE OF THE PERMANENTLY RESTRICTED ENDOWMENT FUND EARNINGS. THE WITHDRAWLS ARE TO ONLY BE USED FOR ARCA AND IF ARCA WERE NOT TO EXIST THE FUNDS WOULD BE PROVIDED TO ORGANIZATIONS THAT PROVDE DIRECT AND SUPPORTING SERVICES TO PEOPLE WITH DEVELOPMENTAL DISABILITIES. THE BOARD MAY CHOOSE TO MAKE FUTURE CONTRIBUTIONS TO THE FUND. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 2 | ARCA AND THE FOUNDATION ARE NON-PROFIT CORPORATIONS AND QUALIFY AS TAX- EXEMPT ORGANIZATIONS UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND ARE CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION. AS SUCH, THEIR NORMAL ACTIVITIES NOT DIRECTLY RELATED TO ARCA'S TAX-EXEMPT PURPOSE IS SUBJECT TO TAXATION AS UNRELATED BUSINESS INCOME. THERE WAS NO TAXABLE UNRELATED BUSINESS INCOME FOR THE YEARS ENDED JUNE 30, 2018 AND 2017. ARCA AND THE FOUNDATION FILE INFORMATION TAX RETURNS AS PRESCRIBED BY THE TAX LAWS OF THE JURISDICTIONS IN WHICH THEY OPERATE. THEIR INCOME TAX FILINGS ARE SUBJECT TO AUDIT BY VARIOUS TAXING AUTHORITIES. AS OF JUNE 30, 2018, THEIR OPEN AUDIT PERIODS ARE FOR 2015 AND THEREAFTER. ARCA AND THE FOUNDATION BELIEVE THAT THEY HAVE APPROPRIATE SUPPORT FOR ANY TAX POSITION TAKEN AND DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 2, PART IV, LINE 2B |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | SCHEDULE D, PAGE 2, PART V, LINE 4 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | SCHEDULE D, PAGE 3, PART X |
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| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | TO PROVIDE SUPPORT |
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| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 856005755 |
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| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | ALBUQUERQUE |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | NM |