| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 25505 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 16193 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 507771 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 503176 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | Our mission is to restore, protect, and steward the traditional lands of the Amah Mutsun people. To train current and future Amah Mutsun generations in the stewardship of native plants, medicines, animals, waterways, and lands. [Continued on Schedule O] |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 5546712 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 162 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 17562 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 5382 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 23106 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Angelo Espinosa |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8312153700 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2460 17th Avenue Suite 1019 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Santa Cruz |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 95062 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1846861 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 2090083 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 5590 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 36709 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 103205 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 145504 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 64 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 421 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1183 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1668 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | true |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 5546712 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2978 |
| IRS990/CYOtherExpensesAmt | 0 | 840417 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 157509 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 3931290 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 935492 |
| IRS990/CYTotalExpensesAmt | 0 | 1775909 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 66565 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 5707199 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 2760 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 18122 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 50948 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 71830 |
| IRS990/Desc | 0 | Amah Mutsun Land Trust (AMLT) partners with federal land agencies, the state of California, land trusts, conservation groups, nonprofits, foundations, and private donors to identify, nurture, and maintain traditional Amah Mutsun lands. These partnerships work to restore these lands to the pre-contact conditions achieved by traditional native stewardship practices over many thousands of years. AMLT also identifies traditional and sacred sites, works to determine the best land management practices (including prescribed fire/burn management techniques and traditional/ancestral flora maintenance ways) to restore traditional lands and waterways to a healthy, sustainable condition. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 851005 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1394712 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 33 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 1294554 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 31270 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 31270 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 61648 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 61648 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 16325 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 27113 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 177185 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 220623 |
| 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/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| 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/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/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/PersonNm | 0 | Kate Griffin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Valentin Lopez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Julie Pineida |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Reed Holderman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Kent Lightfoot |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Diane Talbert |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Steve Abbors |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Edward Ketchum |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Catherine Luna-Rodriguez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Victor Torres |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Eleanor Castro |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Annie Gottbehuet |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Bob Flewelling |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 145504 |
| 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/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/TitleTxt | 0 | Exec Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Vice Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Board Member |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2014 |
| 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/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 5707199 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1446 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 9498 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 26702 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 37646 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1135 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7454 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 20955 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 29544 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 2978 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 2978 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 14 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 88829 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 57291 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2448890 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 2537719 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| 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 | See Schedule O. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2395833 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 6329836 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1544828 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 4935124 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 300 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 1970 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 5537 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 7807 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 152 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 997 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 2802 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3951 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 2912 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 19122 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 53759 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 75793 |
| IRS990/OtherExpensesGrp/Desc | 0 | Program Equip/Food/Supplies |
| IRS990/OtherExpensesGrp/Desc | 1 | HR Operations |
| IRS990/OtherExpensesGrp/Desc | 2 | Equipment rental & maintenance |
| IRS990/OtherExpensesGrp/Desc | 3 | Prior period adj |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 2678 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 1517 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 17581 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 9962 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 10014 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 125856 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 49428 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 28008 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 125856 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 69687 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 39487 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 10014 |
| IRS990/OtherInd | 0 | X |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 41899 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 15581 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 25136 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 165050 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 464029 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 654215 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 2305 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 15132 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 42543 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 59980 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 130000 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 13137 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 30120 |
| IRS990/PrincipalOfficerNm | 0 | Valentin Lopez |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 2713 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900004 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Program Service Fees |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 157509 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 157509 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | The Amah Mutsun Land Trust (AMLT) is a native-led non-profit organization, established by the Amah Mutsun Tribal Band in 20104 to achieve the following vision: -Conserve and restore indigenous cultural and natural resources within the traditional territories of indigenous Mutsun and Awaswas peoples.-Steward our lands and waters; combining traditional resource and environmental management with contemporary approaches-ensuring a resilient future for all inhabitants of Popeloutchom and fulfilling our obligation to creator.-Research and teach the ways of nature-returning to the path of traditional ecological knowledge that our ancestors followed for thousands of years. |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | AMLT has 5 major programs which all work toward the vision of restoring the Amah Mutsun people as environmental stewards of our ancestral territory. These programs include:-The native stewardship corps, a work training and cultural relearning program for Amah Mutsun Tribal Band members. The native stewards are the boots on the ground, implementing the research, conservation, education, and indigenous stewardship work to which AMLT is committed.-The coastal and ocean stewardship program, whic collaborates with agencies, institutions, and other California Indian tribes to restore Amah Mutsun stewardship of coastal resources.(Continued on Schedule O) |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 2498442 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 67 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 723673 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 427144 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 1374605 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 827375 |
| IRS990/PYTotalExpensesAmt | 0 | 1551048 |
| IRS990/PYTotalRevenueAmt | 0 | 2925653 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 3931290 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 157509 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 38177 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 1159341 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 5546712 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2498442 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1530656 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 871321 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 545374 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 10992505 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 2978 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 2978 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 613595 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.99970 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 10992505 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 5546712 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2498442 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1530656 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 871321 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 545374 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 10992505 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 10995483 |