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| IRS990/ActivityOrMissionDesc | 0 | PROVIDE THE SCIENTIFIC BASIS FOR EFFECTIVE CONSERVATION ACTION |
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| IRS990/Desc | 0 | CONSERVATION PRODUCTS AND SERVICES: NatureServe's Network of more than 80 biodiversity information centers develop and manage a wide array of products including biodiversity map tools, species distribution modeling, GIS-issued publications, forestry certification and public-use tools. Additionally, NatureServe offers a variety of conservation assessment planning services designed for systematic conservation planning, ecosystem-based management, and climate change adaptation solutions. |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | vice CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | SecRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR, FINANCE CMTE. CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | diRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DiRECTOR, MEMBERSHIP CMTE. CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR, AUDIT CMTE. CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DiRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DiRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR, NOMINATING CMTE. CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | CFO AND COO (UNTIL 8/15/16) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | CIO AND INTERIM CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | VP of Conservation SERVICE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | CHIEF SCIENTIST |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | CHIEF DEVELOPMENT & ENGAGE |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | CONTROLLER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | PRESIDENT & CEO (BEG 11/30/16) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | CHIEF ECOLOGIST |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | SOFTWARE SUPPORT PROGRAM M |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | SOFTWARE ENGINEERING MANAG |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | DIRECTOR OF CONSERVATION P |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | IT MANAGER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | FORMER PRESIDENT & CEO |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1994 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 1 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 22938 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 18 |
| IRS990/GovernmentGrantsAmt | 0 | 3990289 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1019544 |
| IRS990/GrossReceiptsAmt | 0 | 9085583 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 32502 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 18 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 11 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 2119 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 106066 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 437643 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 545828 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 32630 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 32630 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 10344 |
| IRS990/InterestGrp/TotalAmt | 0 | 10344 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 166190 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 166190 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 7366949 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 7036455 |
| IRS990/IRPDocumentCnt | 0 | 22 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1235499 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 604086 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 338587 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1574086 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 996606 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 15756 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 61350 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO WORK IN PARTNERSHIP WITH THE NETWORK OF NATURAL HERITAGE PROGRAMS AND CONSERVATION DATA CENTERS TO MANAGE AND DISTRIBUTE AUTHORITATIVE INFORMATION CRITICAL TO THE CONSERVATION OF THE WORLD'S BIOLOGICAL DIVERSITY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 7237664 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7350139 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 22938 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 22938 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 16746 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 16746 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 460808 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 18777 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 150731 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 443518 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 613026 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 9934 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 22532 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 71924 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 104390 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 48812 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 51508 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 2536 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 41528 |