| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 142956 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 284394 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO ADVANCE US LEADERSHIP IN INTERNATIONAL CONSERVATION THROUGH PUBLIC AND PRIVATE PARTNERSHIPS AND TO DEVELOP THE NEXT GENERATION OF CONSERVATION LEADERS IN THE US CONGRESS. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 10999 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 10999 |
| IRS990/AllOtherContributionsAmt | 0 | 2306281 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | INTERNATIONAL CONSERVATION CAUCUS - ROBERT MIDDLEBROOKS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2024714222 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1200 POTOMAC STREET NW |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20007 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1208683 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 471452 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 22132 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 66396 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 354114 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 442642 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 136212 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 136212 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 2566155 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1096258 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 1739746 |
| IRS990/CYOtherRevenueAmt | 0 | 8588 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1083724 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 736919 |
| IRS990/CYTotalExpensesAmt | 0 | 3658467 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 189850 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 85544 |
| IRS990/CYTotalRevenueAmt | 0 | 2574743 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | CONDUCTED EDUCATIONAL ACTIVITIES AND BRIEFINGS ON IMPORTANT CONSERVATION PRIORITIES; ORGANIZED EVENTS AND BRIEFINGS FOR US CONGRESSIONAL INTERNATIONAL CONSERVATION CAUCUS (ICC) AND OCEANS CAUCUS (OC) MEMBERS, STAFF AND OTHERS IN SUPPORT OF PRIORITY ISSUES; EXPANDED MULTILATERAL AND OTHER PARTNERSHIPS TO SUPPORT ITS WORK WITH OTHER CAUCUSES GLOBALLY; AND COORDINATED THE PROVISION OF EDUCATION MATERIAL AND NONPARTISAN RESEARCH AND ANALYSIS TO CAUCUS MEMBERS AND STAFF ON PRIORITY CONSERVATION ISSUES. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 967106 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 645000 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 3167552 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 39402 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 50817 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 90219 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 63665 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 74076 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 137741 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 296258 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 296258 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 29223 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 18418 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | HONORABLE JOHN TANNER RETIRE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN B GANTT JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | VANCE MARTIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CONNIE MACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ALLE BOYD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ED ROYCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | SUSAN LYLIS |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 215000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 180000 |
| 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/TitleTxt | 0 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | VICE PRESIDENT |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2006 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 6 |
| IRS990/GovernmentGrantsAmt | 0 | 259874 |
| IRS990/GrantAmt | 0 | 1096258 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 25000 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 800000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 800000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 2574743 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 379 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1138 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 6068 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7585 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 333 |
| IRS990/InterestGrp/TotalAmt | 0 | 333 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 39706 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 39706 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO ADVANCE US LEADERSHIP IN INTERNATIONAL CONSERVATION THROUGH PUBLIC AND PRIVATE PARTNERSHIPS AND TO DEVELOP THE NEXT GENERATION OF CONSERVATION LEADERS IN THE US CONGRESS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 1 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1785413 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 701689 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 818307 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 56689 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 5238 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 15712 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 101249 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 122199 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 2350 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 7053 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 37614 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 47017 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 64091 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 48876 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 4604 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 13814 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 73672 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 92090 |
| IRS990/OtherExpensesGrp/Desc | 0 | MAILING CAMPAIGN |
| IRS990/OtherExpensesGrp/Desc | 1 | BAD DEBT EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 2 | PRINTING AND COPYING |
| IRS990/OtherExpensesGrp/Desc | 3 | TELEPHONE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 139065 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 1060 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 635 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 11275 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 34033 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 3180 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 1905 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 601358 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 16959 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 10159 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 751698 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 34033 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 21199 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 12699 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 9415 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | OTHER REVENUE |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 8588 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 8588 |
| IRS990/OtherRevenueTotalAmt | 0 | 8588 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 12016 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 36048 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 192258 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 240322 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 2371 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 7111 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 37927 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 47409 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 816610 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 465119 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 1000 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 25636 |
| IRS990/PrincipalOfficerNm | 0 | JOHN GANTT JR |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 2956438 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 204038 |
| IRS990/PYInvestmentIncomeAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 1094512 |
| IRS990/PYOtherRevenueAmt | 0 | 43591 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 783514 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 855143 |
| IRS990/PYTotalExpensesAmt | 0 | 2216515 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 62822 |
| IRS990/PYTotalRevenueAmt | 0 | 3000029 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -1083724 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 2566155 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2956438 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3810659 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2041595 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2175395 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 13550242 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 72 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1510 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 1582 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 64643 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 8588 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 8588 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.99930 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.99990 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 13550242 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 2566155 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2956438 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3810659 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2041595 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2175395 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 13550242 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 13560412 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleC/DirectContactLegislatorsInd | 0 | 0 |
| IRS990ScheduleC/GrantsOtherOrganizationsInd | 0 | 0 |
| IRS990ScheduleC/MailingsMembersInd | 0 | 0 |
| IRS990ScheduleC/MediaAdvertisementsInd | 0 | 0 |
| IRS990ScheduleC/NotDescribedSection501c3Ind | 0 | 0 |
| IRS990ScheduleC/OtherActivitiesInd | 0 | 0 |
| IRS990ScheduleC/PaidStaffOrManagementInd | 0 | 1 |
| IRS990ScheduleC/PublicationsOrBroadcastInd | 0 | 0 |
| IRS990ScheduleC/RalliesDemonstrationsInd | 0 | 0 |
| IRS990ScheduleC/SupplementalInformationDetail/ExplanationTxt | 0 | LOBBYING ACTIVITIES: MET WITH VARIOUS ORGANIZATIONS TO DISCUSS POTENTIAL CONGRESSIONAL STRATEGIES. |
| IRS990ScheduleC/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART II-B, LINE 1: |
| IRS990ScheduleC/TotalLobbyingExpendituresAmt | 0 | 0 |
| IRS990ScheduleC/VolunteersInd | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 39706 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 39706 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 3658467 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 2574743 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE FOUNDATION BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS. FEDERAL TAX RETURNS ARE SUBJECT TO AUDIT. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 3658467 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 2574743 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 2574743 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 3658467 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 0 | 920254 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 1 | 1135044 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 2 | 931773 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 3 | 367184 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 0 | SOUTH ASIA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 1 | UNITED KINGDOM |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 2 | BAHAMAS |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 3 | AFRICA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 4 | SOUTH AMERICA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 0 | CONSERVATION SUPPORT |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 1 | CONSERVATION SUPPORT |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 2 | CONSERVATION SUPPORT |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 3 | CONSERVATION SUPPORT |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 4 | CONSERVATION SUPPORT |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 0 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 1 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 2 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 3 | PROGRAM SERVICES |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 4 | PROGRAM SERVICES |
| IRS990ScheduleF/BoycottCountriesInd | 0 | 0 |
| IRS990ScheduleF/ContinuationSpentAmt | 0 | 0 |
| IRS990ScheduleF/ContinuationTotalEmployeeCnt | 0 | 0 |
| IRS990ScheduleF/ContinuationTotalOfficeCnt | 0 | 0 |
| IRS990ScheduleF/ForeignCorpOwnershipInd | 0 | 0 |
| IRS990ScheduleF/ForeignPartnershipInd | 0 | 0 |
| IRS990ScheduleF/GrantRecordsMaintainedInd | 0 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 0 | 27000 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 1 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 2 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 3 | 19500 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 4 | 27000 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 5 | 12500 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 6 | 12500 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 7 | 12500 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 8 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 9 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 10 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 11 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 12 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 13 | 11194 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 14 | 25000 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 15 | 18600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 0 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 1 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 2 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 3 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 4 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 5 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 6 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 7 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 8 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 9 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 10 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 11 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 12 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 13 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 14 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt | 15 | 0 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 0 | CONSERVATION |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 1 | CONSERVATION |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 2 | CONSERVATION |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 3 | CONSERVATION |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 4 | CONSERVATION |