| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 67429 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 150286 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 167257 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 146558 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PROVIDE and FINANCE RESIDENTIAL and LIVING ACCOMMODATIONs FOR PEOPLE WITH INTELLECTUAL and OTHER DEVELOPMENTAL DISABILITIES. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | false |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | AMY WEST |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2127802500 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 83 MAIDEN LANE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | new york |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 10038 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 378220 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 645608 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | true |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 4662767 |
| IRS990/CYOtherRevenueAmt | 0 | 175308 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 4718201 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 230742 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 4662767 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 4893509 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 0 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 2414807 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2414807 |
| IRS990/Desc | 0 | AHRC NYC New Projects holds title to real property and manages their financing. Its mission is to acquire, own, lease, sell, and maintain real property or any improvements suitable for the establishment and operation of certified residential facilities and living accommodations for persons with intellectual and other developmental disabilities. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 500178 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 480662 |
| IRS990/ExpenseAmt | 0 | 4556450 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 53389 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 9569 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 62958 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 1.4 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 5.8 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.9 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 1.1 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.4 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.4 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.4 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.2 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Patricia Murphy Esq |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Angelo Aponte |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Stephen Brodsky Esq |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Melvin Gertner MD |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | treasurer/secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Board Member |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/Form990TFiledInd | 0 | true |
| IRS990/FormationYr | 0 | 1990 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/ConsolAndSepBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingDirectExpensesAmt | 0 | 0 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 8672591 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 3954390 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 52678 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 52678 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 1209145 |
| IRS990/InterestGrp/TotalAmt | 0 | 1209145 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 44688525 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 52590010 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 49827277 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 94515802 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 3779082 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO ACQUIRE, OWN, LEASE, SELL, AND MAINTAIN PROPERTY (OR ANY IMPROVEMENTS) THAT PROVIDES CERTIFIED RESIDENTIAL FACILITIES AND LIVING ACCOMMODATIONS FOR PEOPLE WITH INTELLECTUAL AND OTHER DEVELOPMENTAL DISABILITIES SUPPORTED BY NYSARC INC., NYC CHAPTER. THIS ENTITY HOLDS TITLE TO REAL PROPERTY AND MANAGES THEIR FINANCING, FOR THE BENEFIT OF NYSARC INC., NYC CHAPTER. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 17647564 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 16351928 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | -1057951 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -827209 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 175308 |
| IRS990/NetRentalIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | 175308 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 922929 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 922929 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 250 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 250 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 3645976 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 3304171 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 12028354 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 12112083 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 1635379 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 1524625 |
| IRS990/PrincipalOfficerNm | 0 | Patricia Murphy Esq |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 531110 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | RENTAL INCOME |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 4718201 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 4718201 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 0 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 4761309 |
| IRS990/PYOtherRevenueAmt | 0 | 227203 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 4850677 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 316571 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 4761309 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 5077880 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 230742 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 175308 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 4718201 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 0 |
| 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/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | AHRC NYC New Projects' primary exempt mission is to manage real estate on behalf of its parent organization, AHRC NYC. While AHRC NYC New Projects does not directly send monetary support back to AHRC NYC, all expenditures incurred in pursuit of its exempt mission are deemed support for purposes of Schedule A and are so disclosed in Line 11(g)(v). Note that expenditures incurred to undertake non-mission related activity are not included. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Form 990, Schedule A, Part I |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 135596746 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 7 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 4662767 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | NYSARC INC NYC CHAPTER |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 4662767 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/AgentTrusteeEtcInd | 0 | false |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 36515115 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 44330695 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 80845810 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 25663 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 14811 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 40474 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 3779082 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 4662767 |
| IRS990ScheduleD/ExplanationProvidedInd | 0 | X |
| IRS990ScheduleD/FederalIncomeTaxLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InclEscrowCustodialAcctLiabInd | 0 | true |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 13117617 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 13117617 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 2823509 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 1 | 480662 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | DEBT SERVICE RESERVE FUNDS |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 1 | SECURITY DEPOSITS IN ESCROW |
| IRS990ScheduleD/OtherExpensesIncludedAmt | 0 | 3779082 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 168882 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 343019 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 511901 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 12112083 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DUE TO AFFILIATE - AHRC |
| IRS990ScheduleD/OtherRevenueAmt | 0 | 3779082 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 3779082 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 4893509 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | AHRC NYC New Projects, Inc. HOLDS SECURITY DEPOSITS PAID BY RENTORS OF ITS PROPERTIES; THE CASH IS HELD IN SEPARATE SECURITY DEPOSIT ESCROW ACCOUNTS. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | AHRC NYC New Projects, Inc. ("New Projects") is organized under the not-for-profit corporation law of the State of New York. New Projects has been granted exemption from Federal income tax pursuant to section 501(c)(3) of the internal revenue code. New Projects is current with respect to its Federal and State income tax filing requirements. Management is not aware of any issues or circumstances that would unfavorably impact its tax exempt status. Management has determined that New Projects had no uncertain tax positions that would require financial statement recognition. New Projects is no longer subject to audits by the applicable taxing jurisdictions for the periods prior to 2015. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 2 | Rental Expenses reclassified to offset rental $3,779,082 income on part viii of form 990 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 3 | Rental Expenses reclassified to offset rental $3,779,082 income on part viii of form 990 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Schedule D, Part IV, Line 2b |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Schedule D, Part X, Line 2 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Schedule D, Part XI, Line 2d |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Schedule D, Part XII, Line 2d |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 49827277 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 3304171 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 4662767 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 12112083 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 4893509 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 8672591 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 8441849 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990ScheduleK/ProceduresCorrectiveActionGrp/BondReferenceCd | 0 | A |
| IRS990ScheduleK/ProceduresCorrectiveActionGrp/BondReferenceCd | 1 | B |
| IRS990ScheduleK/ProceduresCorrectiveActionGrp/BondReferenceCd | 2 | C |
| IRS990ScheduleK/ProceduresCorrectiveActionGrp/ProceduresCorrectiveActionInd | 0 | true |
| IRS990ScheduleK/ProceduresCorrectiveActionGrp/ProceduresCorrectiveActionInd | 1 | true |
| IRS990ScheduleK/ProceduresCorrectiveActionGrp/ProceduresCorrectiveActionInd | 2 | true |
| IRS990ScheduleK/SupplementalInformationDetail/ExplanationTxt | 0 | Part I, Column e 01/27/2011 $9,868,885 DORMITORY AUTHORITY OF THE STATE OF NEW YORK (DASNY - TAX EXEMPT BONDS) ARE DEBT OF the parent organization, the ARC New York. This debt was a refinance of bank loans. AHRC NYC New Projects Inc. only records on its books the portion of the bond for the building it maintains on behalf of the parent. Part I, Column e 11/21/2012 $7,999,043 DORMITORY AUTHORITY OF THE STATE OF NEW YORK (DASNY - TAX EXEMPT BONDS) ARE DEBT OF the parent organization, The ARC New York. This debt was a refinance of 2001 and 2002 series bonds originally issued on 8/15/2001 and 9/25/2002. AHRC NYC New Projects Inc. only records on its books the portion of the bond for the building it maintains on behalf of the parent. Part I, Column e 9/25/2015 $19,283,966 DORMITORY AUTHORITY OF THE STATE OF NEW YORK (DASNY - TAX EXEMPT BONDS) ARE DEBT OF the parent organization, The Arc New York. This debt was a refinance of bonds originally issued on 6/15/2005. AHRC NYC New Projects Inc. only records on its books the portion of the bond for the building it maintains on behalf of the parent. |
| IRS990ScheduleK/SupplementalInformationDetail/ExplanationTxt | 1 | AHRC NYC NEW PROJECTS INC HAD A REBATE CALCULATION PERFORMED ON ALL THREE OF THE BONDS DISCLOSED IN SCHEDULE K OF THE FORM 990 - SERIES 2010 ISSUED ON 1/27/2011, SERIES 2012 ISSUED ON 11/21/2012 AND SERIES 2015 ISSUED ON 9/25/2015. THE CALCULATIONS WERE CONDUCTED ON DECEMBER 31, 2016, AND CONFIRMED THAT NO REBATE WAS DUE. |
| IRS990ScheduleK/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Schedule K |
| IRS990ScheduleK/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, SCHEDULE K, PART IV, LINE 2C |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/BondReferenceCd | 0 | A |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/BondReferenceCd | 1 | B |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/BondReferenceCd | 2 | C |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/ExceptionToRebateInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/ExceptionToRebateInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/ExceptionToRebateInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/Form8038TFiledInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/Form8038TFiledInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/Form8038TFiledInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GICProviderName/BusinessNameLine1Txt | 0 | 0 |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GICProviderName/BusinessNameLine1Txt | 1 | 0 |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GICProviderName/BusinessNameLine1Txt | 2 | 0 |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GrossProceedsInvestedInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GrossProceedsInvestedInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GrossProceedsInvestedInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GrossProceedsInvestedInGICInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GrossProceedsInvestedInGICInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/GrossProceedsInvestedInGICInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/HedgeIdentifiedInBksAndRecInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/HedgeIdentifiedInBksAndRecInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/HedgeIdentifiedInBksAndRecInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/HedgeProviderName/BusinessNameLine1Txt | 0 | 0 |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/HedgeProviderName/BusinessNameLine1Txt | 1 | 0 |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/HedgeProviderName/BusinessNameLine1Txt | 2 | 0 |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/NoRebateDueInd | 0 | true |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/NoRebateDueInd | 1 | true |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/NoRebateDueInd | 2 | true |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/RebateNotDueYetInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/RebateNotDueYetInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/RebateNotDueYetInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/VariableRateIssueInd | 0 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/VariableRateIssueInd | 1 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/VariableRateIssueInd | 2 | false |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/WrittenProcToMonitorReqsInd | 0 | true |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/WrittenProcToMonitorReqsInd | 1 | true |
| IRS990ScheduleK/TaxExemptBondsArbitrageGrp/WrittenProcToMonitorReqsInd | 2 | true |
| IRS990ScheduleK/TaxExemptBondsIssuesGrp/BondIssuedDt | 0 | 2011-01-27 |
| IRS990ScheduleK/TaxExemptBondsIssuesGrp/BondIssuedDt | 1 | 2012-11-21 |
| IRS990ScheduleK/TaxExemptBondsIssuesGrp/BondIssuedDt | 2 | 2015-09-25 |