| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 613105 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 606590 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 320 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 98 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | Affordable housing and services |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 426 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 426 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 25589 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 25589 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Sarah ORielly |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3014936000 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 11400 Rockville Pike Suite 505 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Rockville |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20852 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 163995 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 194037 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1277 |
| IRS990/CYOtherExpensesAmt | 0 | 458206 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 527508 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -11301 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 81880 |
| IRS990/CYTotalExpensesAmt | 0 | 540086 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 528785 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 4360 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 1772 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 103396 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 103396 |
| IRS990/Desc | 0 | 72 rental apartment units providing affordable housing and related social services to very-low-income independent senior citizens. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 486673 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 10987 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 10987 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 25 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 25 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 42426 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 42426 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 78811 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 78811 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 5.00 |
| 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 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.50 |
| 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/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/OtherCompensationAmt | 0 | 54890 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 43589 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 42407 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 41189 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 40398 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Leila A Finucane |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Michelle M Limeres |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Jeffrey Blackwell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Jacqueline R Smedley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Sarah ORielly |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Donald Tomasso |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Michael Gill |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | James Pope |
| 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/ReportableCompFromRltdOrgAmt | 0 | 411552 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 280402 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 248660 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 245203 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 212802 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President & CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Asst Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board Chair |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2000 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 528785 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 3 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 3968 |
| IRS990/InterestGrp/TotalAmt | 0 | 3968 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1277 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1277 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 35 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 3246503 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 3424226 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 3386498 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 6633001 |
| IRS990/LegalDomicileStateCd | 0 | MD |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | Affordable housing and services |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 281501 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 197739 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 3673609 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 3662308 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3673609 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 3662308 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 10162 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 10162 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 13084 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 13084 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1022563 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 893314 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 20820 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 20820 |
| IRS990/OtherExpensesGrp/Desc | 0 | Repairs and maintenance |
| IRS990/OtherExpensesGrp/Desc | 1 | Utilities |
| IRS990/OtherExpensesGrp/Desc | 2 | Loss on disposal fixed asset |
| IRS990/OtherExpensesGrp/Desc | 3 | Real estate taxes |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 55921 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 40692 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 48027 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 24509 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 55921 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 40692 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 48027 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 24509 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 41537 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 39848 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 54090 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 54090 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 6970 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 6970 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 3008 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 34310 |
| IRS990/PrincipalOfficerNm | 0 | Leila A Finucane |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 531110 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 531110 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 531110 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Fees & Contracts Gov Ag |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | Affordable Housing |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | Miscellaneous Income |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 367602 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 155472 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 4434 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 367602 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 155472 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 4434 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 223 |
| IRS990/PYOtherExpensesAmt | 0 | 854439 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 1010466 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -5127 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 161377 |
| IRS990/PYTotalExpensesAmt | 0 | 1015816 |
| IRS990/PYTotalRevenueAmt | 0 | 1010689 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -11301 |
| 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 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 1277 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 223 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 599 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2322 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 115 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 4536 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 523074 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 1001095 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 956936 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 850063 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 746153 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 4077321 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 1277 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 223 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 599 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2322 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 115 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 4536 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearAmt | 0 | 4434 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 9371 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10979 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 7113 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 8317 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 40214 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.98910 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.98680 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 4077321 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 523074 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1001095 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 956936 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 850063 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 746153 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 4077321 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 528785 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1010689 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 968514 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 859498 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 754585 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 4122071 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 3062225 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 2901701 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 5963926 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 51987 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 43173 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 95160 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 540086 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 237352 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 160164 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 397516 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 9937 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 1 | 250722 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 2 | 32905 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 3 | 599750 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | Other reserves |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 1 | Reserve for replacements |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 2 | Resident security deposits |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 3 | Ground Lease |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 34934 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 141465 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 176399 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 3968 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 31198 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 2 | 4682 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | Accrued interest payable |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | Resident security deposits |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 2 | Misc long-term liabilities |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 528785 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Due to its tax-exempt status, The Organization is not subject to income taxes. The Organization is required to file and does file tax returns with the IRS and other taxing authorities. Accordingly, these financial statements do not reflect a provision for income taxes and The Organization has no other tax positions which must be considered for disclosure. The Organizations Form 990, Return of Organization Exempt from Income Tax, for the previous three years are subject to examination by the IRS, generally for three years after they were filed. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Footnote for uncertain tax position under FIN 48 (Part X) |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 3386498 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 893314 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 540086 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 39848 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 528785 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 528785 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 540086 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | false |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | false |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | false |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | false |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | true |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 91500 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 40000 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 2 | 45900 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 3 | 41100 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 4 | 29600 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 316377 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 204603 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 2 | 234098 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 3 | 206960 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 4 | 182002 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 46958 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 1 | 29686 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 2 | 34115 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 3 | 30796 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 4 | 26264 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 7932 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 1 | 11503 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 2 | 9474 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 3 | 11611 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 4 | 14134 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 3675 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 1 | 600 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 2 | 404 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 3 | 600 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 4 | 1200 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | Leila A Finucane |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 1 | Jacqueline R Smedley |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 2 | Michelle M Limeres |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 3 | Jeffrey Blackwell |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 4 | Sarah ORielly |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | President & CEO |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 1 | Vice President |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 2 | Treasurer |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 3 | Asst Secretary |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 4 | Secretary |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 466442 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 1 | 286392 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 2 | 323991 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 3 | 291067 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 4 | 253200 |
| IRS990ScheduleJ/SeverancePaymentInd | 0 | false |