| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 2393002 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2635466 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 269608 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 85094 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | NON-PARTISAN RESEARCH AND EDUCATION DEDICATED TO ADVANCING PROGRESSIVE POLICY IDEAS. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 2546 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2546 |
| IRS990/AllOtherContributionsAmt | 0 | 43638775 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | TOREY CARTER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2027416276 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1333 H STREET NW 10TH FLOOR |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20005 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 8866913 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 6592968 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 7 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 95610 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 427915 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 789189 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1312714 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 2515 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 5311 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1038752 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1046578 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 195000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 192000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 155530 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 140000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 112707 |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/AddressLine1Txt | 0 | 22 FORESTERS WALK STAMFORD BRIDGE |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CityNm | 0 | YORK |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CountryCd | 0 | UK |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/ForeignPostalCd | 0 | Y041 1BB |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 8 PINE AVENUE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1441 HARVARD STREET NW 25 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 815 SLATERS LANE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 5359 32ND STREET NW |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | TAKOMA PARK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | ALEXANDRIA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | VA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 20912 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 20009 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 22314 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 20015 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | VANBROWNECOM LTD |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | THREE LOL STRATEGIES LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | PURPLE STRATEGIES LLC |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | CATHLEEN KELLY |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 1 | JUDITH WARNER |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | POLICY CONSULTANT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | POLICY CONSULTANT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | POLICY CONSULTANT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | PUBLIC OPINION POLL |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | POLICY CONSULTANT |
| IRS990/ContriRptFundraisingEventAmt | 0 | 866193 |
| IRS990/CostOfGoodsSoldAmt | 0 | 2650 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 44515120 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 6946513 |
| IRS990/CYInvestmentIncomeAmt | 0 | 53292 |
| IRS990/CYOtherExpensesAmt | 0 | 13125159 |
| IRS990/CYOtherRevenueAmt | 0 | 499134 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 88544 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 2731064 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 22224840 |
| IRS990/CYTotalExpensesAmt | 0 | 42425026 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1100723 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 128514 |
| IRS990/CYTotalRevenueAmt | 0 | 45156090 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 16694 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 57681 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 443413 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 517788 |
| IRS990/Desc | 0 | POLICY PROGRAMS: PROJECTS WERE CONDUCTED IN AREAS OF ENERGY AND THE ENVIRONMENT, EDUCATION, HEALTH CARE, IMMIGRATION, OPEN GOVERNMENT, POVERTY, LGBT RIGHTS, AND WOMEN'S RIGHTS. IN ADDITION, THE ECONOMIC POLICY TEAM CONDUCTED PROJECTS RELATING TO MIDDLE CLASS ECONOMICS, TAX FAIRNESS, HOUSING, AND POST-SECONDARY EDUCATION. CAP'S NATIONAL SECURITY TEAM WORKED ON PROJECTS RELATING TO CHINESE AND MIDDLE EASTERN RELATIONS WITH THE U.S. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 396 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 17809686 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FederatedCampaignsAmt | 0 | 10152 |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 1202 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 4153 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 37871 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 43226 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 727 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 19694 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 37288 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 57709 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 39928 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 18998 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 4089709 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 4148635 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 128514 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 128514 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 1 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 36.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 37.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 32.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 36.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 32.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 36.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| 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/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/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/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 9122 |
| 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 | 2111 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 38912 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 10572 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 30689 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 17207 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 22720 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 9668 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 20437 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 22900 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 23724 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 19384 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 19152 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | SECRETARY MADELEINE ALBRIGHT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | CAROL BROWNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | SENATOR TOM DASCHLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | GLENN HUTCHINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | RICHARD LEONE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | SUSAN SANDLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | TOM STEYER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOSE VILLARREAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | HANSJORG WYSS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | JOHN PODESTA - UNTIL 012014 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | NEERA TANDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JOSEPH W SMOLSKIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | CARMEL MARTIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | DEBORAH L FINE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | ARKADI GERNEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | DEBORAH HOLSTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | LAWRENCE J KORB |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JOHN NORRIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | WINNIE STACHELBERG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | JOHN PRENDERGAST |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | HEATHER BOUSHEY |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 98398 |
| 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 | 14502 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 301274 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 117486 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 226128 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 156444 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 142222 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 115260 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 205000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 201854 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 198146 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 179925 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 179443 |
| 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/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIR. & DISTINGUISHED SENIOR FELLOW |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIR., CHAIR, AND COUNSEL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TREASURER AND CFO - UNTIL 08/2014 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | EVP & TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | SVP, GENERAL COUNSEL AND SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | SVP |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | ACTING SVP, FINANCE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | SENIOR FELLOW |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | EXEC. DIR., SUSTAIN. SEC. & PEACEBLDG INT. |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | EVP, EXTERNAL AFFAIRS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | FELLOW |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | CHIEF ECONOMIST |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2002 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 866193 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 195481 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 62100 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantAmt | 0 | 548789 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 6946513 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 6946513 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 45354221 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 5334 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 8 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 51 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 19290 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 369907 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 566951 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 956148 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 3589 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 12400 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 95251 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 111240 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 10767 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 7738 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 53292 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 53292 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 250834 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 267365 |
| IRS990/IRPDocumentCnt | 0 | 305 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 6980827 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2647609 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2542374 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 9523201 |
| 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/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 3323 |
| IRS990/MiscellaneousRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 3323 |
| IRS990/MissionDesc | 0 | THE CENTER FOR AMERICAN PROGRESS (CAP) IS AN INDEPENDENT NON-PARTISAN POLICY INSTITUTE THAT IS DEDICATED TO IMPROVING THE LIVES OF ALL AMERICANS, THROUGH BOLD, PROGRESSIVE IDEAS, AS WELL AS STRONG LEADERSHIP AND CONCERTED ACTION. OUR AIM IS NOT JUST TO CHANGE THE CONVERSATION, BUT TO CHANGE THE COUNTRY |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 45305647 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 47919974 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -133381 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -133381 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 2684 |
| IRS990/NetIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | 2684 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | -3660 |
| IRS990/NoncashContributionsAmt | 0 | 445536 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 92604 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 319969 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 2455283 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 2867856 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 38331 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 99476 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 839330 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 977137 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 2440902 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1243482 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -116737 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 39038 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 137053 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 1089039 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1265130 |
| IRS990/OtherExpensesGrp/Desc | 0 | PUBLIC OPINION ANALYSIS |
| IRS990/OtherExpensesGrp/Desc | 1 | COMMISSIONED PAPERS |
| IRS990/OtherExpensesGrp/Desc | 2 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/Desc | 3 | SUBSCRIPTIONS |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 11680 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 5341 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 41600 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 4148 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 408603 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 380626 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 222999 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 112354 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 408603 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 380626 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 276279 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 121843 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 5454533 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 4971479 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 900099 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 2 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | SUBLEASE INCOME |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | OFFICE SHARING INCOME |
| IRS990/OtherRevenueMiscGrp/Desc | 2 | OTHER INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 506803 |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 1 | 62859 |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 2 | 56846 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 506803 |