| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 312446 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 782815 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 287061 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 174618 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | SEE PART III, LINE 1. |
| IRS990/AddressChangeInd | 0 | X |
| IRS990/AllOtherContributionsAmt | 0 | 2265480 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 1354 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 25748 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 23140 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 50242 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | RICHARD J POWELL |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2029383786 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 518 C ST NE SUITE 300 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20002 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 128472 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 271639 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 1484377 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1884488 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 272314 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 272314 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 250993 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 189433 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 144000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 120000 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 5 COLUMBUS CIRCLE SUITE 1801 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 601240 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 1101 K STREET NW SUITE 800 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 33 SUNSET KEY DR |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | NEW YORK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | CHARLOTTE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | KEY WEST |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | NC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | FL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 10019 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 282601240 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 20005 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 33040 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | RHODIUM GROUP LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | PILLSBURY WINTHROP SHAW PITTMAN |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | CGCN GROUP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | JAMES CONNAUGHTON |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | RESEARCH & POLLING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | LEGAL SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | PUBLIC RELATIONS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | ADVISORY SERVICES |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 7061935 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 153024 |
| IRS990/CYInvestmentIncomeAmt | 0 | 14184 |
| IRS990/CYOtherExpensesAmt | 0 | 2049923 |
| IRS990/CYOtherRevenueAmt | 0 | 1300 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1024966 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 3849506 |
| IRS990/CYTotalExpensesAmt | 0 | 6052453 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 201253 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 7077419 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 196308 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 13951 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 13951 |
| IRS990/Desc | 0 | CLEARPATH'S MISSION IS TO DEVELOP AND ADVANCE POLICIES THAT ACCELERATE BREAKTHROUGH INNOVATIONS THAT REDUCE EMMISSIONS IN THE ENERGY AND INDUSTRIAL SECTORS. TO ADVANCE THAT MISSION, WE DEVELOP CUTTING-EDGE POLICY AND MESSAGING, EDUCATE POLICYMAKERS, AND COLLABORATE WITH PUBLIC AND PRIVATE SECTOR STAKEHOLDERS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 200000 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 209371 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 23 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 5034457 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 111768 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 111768 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 43256 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 43256 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 889799 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 889799 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 16505 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 1315 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 15446 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 117 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 8382 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 18463 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 6466 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 684 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 7366 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 8525 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | RICHARD J POWELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | SLOANE S CARLOUGH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | RICH THAU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SAM MAR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ZAKIR A BAIG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LUCAS J BOLAR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JEREMY B HARRELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | ANDREA E STEINER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JEFFREY A MOREHOUSE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | CHRISTOPHER A TOMASSI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | COLLEEN K MOSS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JUSTIN C ONG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | NICHOLAS R MCMURRAY |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 669557 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 469134 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 265350 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 269901 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 168781 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 324809 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 300482 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 197502 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 167695 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 159095 |
| 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 | DIRECTOR, EXEC. DIR. TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | MANAGING DIRECTOR-GOV'T AFFAIRS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | MANAGING DIRECTOR-EXTERNAL AFFAIRS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MANAGING DIRECTOR-POLICY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | CHIEF OPERATING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | SENIOR GOVERNMENT AFFAIRS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | SENIOR GOVERNMENT AFFAIRS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | GOVERNMENT AFFAIRS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | PRODUCTION DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | SENIOR PROGRAM DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2018 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 10885 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantAmt | 0 | 153024 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 153024 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 153024 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 10885 |
| IRS990/GrossReceiptsAmt | 0 | 7077419 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 700 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 3 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 11 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 22641 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 203770 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 226411 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7886 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7886 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 3299 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 3299 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 17 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 14880 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1460 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 787569 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 802449 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| 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 | CLEARPATH'S MISSION IS TO DEVELOP AND ADVANCE POLICIES THAT ACCELERATE BREAKTHROUGH INNOVATIONS THAT REDUCE EMISSIONS IN THE ENERGY AND INDUSTRIAL SECTORS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1252074 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2277040 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 10885 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 10885 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 700 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 700 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1052074 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2067669 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 2846 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 7965 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 46080 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 56891 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 10834 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 97502 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 108336 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 86317 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 4712 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 15457 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 90697 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 110866 |
| IRS990/OtherExpensesGrp/Desc | 0 | MEMBERSHIPS |
| IRS990/OtherExpensesGrp/Desc | 1 | TRAINING AND EDUCATION |
| IRS990/OtherExpensesGrp/Desc | 2 | PAYROLL ADMIN FEES |
| IRS990/OtherExpensesGrp/Desc | 3 | DUES AND SUBS. |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 2783 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 1973 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 6277 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 7793 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 5523 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 2777 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 56490 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 45090 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 31952 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 24995 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 62767 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 55666 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 39448 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 27772 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 48755 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 569627 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 600 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 600 |
| IRS990/OtherRevenueTotalAmt | 0 | 600 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 47758 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 222882 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 1356197 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 1626837 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 11355 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 32004 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 183956 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 227315 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 14187 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 38561 |
| IRS990/PrincipalOfficerNm | 0 | RICHARD J POWELL |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 6432000 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 3119 |
| IRS990/PYOtherExpensesAmt | 0 | 2272328 |
| IRS990/PYOtherRevenueAmt | 0 | 30744 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 1202490 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 2991045 |
| IRS990/PYTotalExpensesAmt | 0 | 5263373 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 6465863 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1024966 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RelatedOrganizationsAmt | 0 | 4796455 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 700 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 1310567 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 2738725 |
| IRS990ScheduleA/First5Years170Ind | 0 | X |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | THE ORGANIZATION COMMENCED ACTIVITY APRIL 2018 THEREFORE, 2018 IS A SHORT-YEAR. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | PART II, SHORT YEAR EXPLANATION: |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 7061935 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 6432000 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1100000 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 14593935 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 3999 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3919 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 525 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 8443 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 600 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 29944 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 30544 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 3557796 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 11036139 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 7061935 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 6432000 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1100000 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 14593935 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 14632922 |
| 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 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 56370 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 3198 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 59568 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 6052453 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 731199 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 11682 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 742881 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 569627 |