| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 102915 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 343071 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 5059291 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 12825959 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | PROVIDE HEALTH AND WELFARE BENEFITS TO EMPLOYEES OF PARTICIPATING EMPLOYERS. |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 47705683 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | STEPHANIE MCLAUGHLIN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8167375959 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 6601 WINCHESTER SUITE 250 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | KANSAS CITY |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 64133 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 10977933 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 13778909 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 7 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1118 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 0 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 1437252 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 1114082 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 488449 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 418763 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 200791 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2800 ROCKCREEK PKWY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 2301 MAIN STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 115 W WAUSAU AVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 2156 WEST 2200 SOUTH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 6803 W 64TH STREET SUITE 300 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | KANSAS CITY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | KANSAS CITY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | WAUSAU |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | SALT LAKE CITY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | KANSAS CITY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | KS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | WI |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | UT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | KS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 64117 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 64108 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 54401 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 84119 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 66202 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | MARATHON HEALTH |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | BLUECROSS BLUESHIELD OF KANSAS CITY |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | UMR |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | COMPUSYS INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | BLAKE & UHLIG |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | MANAGEMENT FEE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CLAIMS PROCESSING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | CLAIMS PROCESSING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | ADMINISTRATOR |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | LEGAL |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 47705683 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | -3456849 |
| IRS990/CYOtherExpensesAmt | 0 | 4348082 |
| IRS990/CYOtherRevenueAmt | 0 | 115043 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 64470661 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 9075090 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 52053765 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 61128855 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/Desc | 0 | PROVISION OF HEALTH AND WELFARE BENEFITS FOR QUALIFIED EMPLOYEES OF THE PARTICIPATING EMPLOYERS. THERE ARE APPROXIMATELY 4,561 ELIGIBLE PARTICIPANTS. |
| IRS990/DescribedInSection501c3Ind | 0 | 0 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 86160 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 200791 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 1809614 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 1544309 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 90361 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| 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/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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 25402 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 25402 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | SCOTT RETTIG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | AARON BROWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BERNARD JACQUINOT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BRIDGETTE WILLIAMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | PATRICK O'DONNELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JOSHUA DAVIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | TOM WHITTAKER |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| 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/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 181420 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 146275 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | UNION TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | CO-CHAIR TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | MANAGEMENT TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SEE SCHEDULE O |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | MANAGEMENT TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | UNION TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MANAGEMENT TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1962 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -5166201 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 6 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 56140178 |
| IRS990/GrossReceiptsAmt | 0 | 122435234 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 1 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7615 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1709352 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1709352 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 16850316 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 20338308 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 24809919 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 28786479 |
| IRS990/IRPDocumentCnt | 0 | 4 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MO |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 61306379 |
| IRS990/LoanOutstandingInd | 0 | 1 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | PROVIDE HEALTH AND WELFARE BENEFITS TO EMPLOYEES OF PARTICIPATING EMPLOYERS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 59423634 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 76677782 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -5166201 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -5166201 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 8179058 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 77045 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1781551 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1390771 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | ADMINISTRATION FEE |
| IRS990/OtherExpensesGrp/Desc | 1 | PCORI FEE |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 504321 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 26748 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 312651 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 240163 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 525100 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 115043 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 115043 |
| IRS990/OtherRevenueTotalAmt | 0 | 115043 |
| IRS990/PartialLiquidationInd | 0 | 0 |
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| IRS990/PdInCapSrplsLandBldgEqpFundGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 188764 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 13911 |
| IRS990/PrincipalOfficerNm | 0 | AARON BROWN |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 525100 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 525100 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | CONTRIBUTIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | COLLECTION FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 64452413 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 18248 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 64452413 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 18248 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 48948220 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 1063602 |
| IRS990/PYOtherExpensesAmt | 0 | 5930594 |
| IRS990/PYOtherRevenueAmt | 0 | 636499 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 56683585 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 3504872 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 54878814 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 58383686 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 90665 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 101088 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 9075090 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 1 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 59423634 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 76677782 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 80761 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 25591 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 90361 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 51963404 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InvestmentExpensesNotIncld2Amt | 0 | 90361 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 90361 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 8179058 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 58774 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 181389 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | PREPAID CONTRIBUTIONS |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | RECIPROCITY PAYABLE |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 0 | 17806131 |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 1 | 2532177 |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | COMMON COLLECTIVE TRUSTS |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 1 | LIMITED LIABILITY COMPANY |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 0 | F |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 1 | F |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 8179058 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 90361 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 61038494 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE VOLUNTARY EMPLOYEE BENEFIT ASSOCIATION (VEBA) TRUST FUNDING CERTAIN BENEFITS OF THE PLAN RECEIVED AN EXEMPTION LETTER FROM THE INTERNAL REVENUE SERVICE (IRS) DATED AUGUST 10, 1964, STATING THAT THE TRUST IS TAX-EXEMPT UNDER THE PROVISIONS OF SECTION 501(C)(9) OF THE INTERNAL REVENUE CODE (IRC). HOWEVER, AS A RESULT OF THE PLAN'S FUNDING POLICY, FROM TIME TO TIME THE TRUST MAY BE SUBJECT TO INCOME TAXES. NO FEDERAL OR STATE INCOME TAXES HAVE BEEN RECORDED IN 2023 OR 2022 FOR UNRELATED BUSINESS TAXABLE INCOME. IN ADDITION, THE PLAN AND THE TRUST ARE REQUIRED TO OPERATE IN CONFORMITY WITH THE IRC TO MAINTAIN THE TAX-EXEMPT STATUS OF THE TRUST. THE PLAN ADMINISTRATOR BELIEVES THAT THE PLAN IS BEING OPERATED IN COMPLIANCE WITH THE APPLICABLE REQUIREMENTS OF THE IRC AND, THEREFORE, BELIEVES THAT THE RELATED TRUST IS TAX-EXEMPT. ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE PLAN MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF IT HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE IRS. THE PLAN IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleD/TotalBookValueSecuritiesAmt | 0 | 20338308 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 52053765 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 240163 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 61128855 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 69217552 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 51963404 |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 173914 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 134156 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
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| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 5746 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 1 | 5746 |
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| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 1 | 0 |
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| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 1 | 19656 |
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| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 7506 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 1 | 12119 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | AARON BROWN |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 1 | JOSHUA DAVIS |
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| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 1 | UNION TRUSTEE |
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| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 206822 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 1 | 171677 |
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| IRS990ScheduleJ/SupplementalNonqualRtrPlanInd | 0 | 0 |
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| IRS990ScheduleL/LoansBtwnOrgInterestedPrsnGrp/BalanceDueAmt | 1 | 80711 |
| IRS990ScheduleL/LoansBtwnOrgInterestedPrsnGrp/BoardOrCommitteeApprovalInd | 0 | 1 |
| IRS990ScheduleL/LoansBtwnOrgInterestedPrsnGrp/BoardOrCommitteeApprovalInd | 1 | 1 |
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| IRS990ScheduleL/LoansBtwnOrgInterestedPrsnGrp/LoanPurposeTxt | 1 | DELINQUENT CONTRIBUTIONS |
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| IRS990ScheduleL/LoansBtwnOrgInterestedPrsnGrp/OriginalPrincipalAmt | 1 | 80711 |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION'S DAILY RECORDKEEPING FUNCTIONS ARE HANDLED BY THE MANAGEMENT COMPANY, COMPUSYS, INC. FROM 1/1/2023 THROUGH 9/30/2023 AND EFFECTIVE 10/1/2023, ZENITH AMERICAN SOLUTIONS, INC. ALL EXECUTIVE ORGANIZATION DECISIONS ARE HANDLED BY THE BOARD OF TRUSTEES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ASSOCIATION AND THE UNION APPOINT THE BOARD OF TRUSTEES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION DOES NOT HAVE ANY COMMITTEES THAT HAVE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | NON-AFFILIATED, DULY ACCREDITED AND INDEPENDENT AUDITING FIRM PREPARES THE NUMERICAL DATA, STAFF PERSONNEL PREPARE PART VI AND SCHEDULE O DISCLOSURE, AND THE COMPLETED FORM IS PRESENTED FOR REVIEW AND SIGNATURE BY THE DULY AUTHORIZED TRUSTEE(S) BEFORE SUBMITTAL TO THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | MADE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | TRUSTEES ARE NOT COMPENSATED BY THE FUND. COMPENSATION PAID TO TRUSTEES EMPLOYED BY OTHER RELATED ORGANIZATIONS IS REPORTED ON THE FORM 990 FILED WITH THE INTERNAL REVENUE SERVICE BY THE RELATED TAX-EXEMPT ORGANIZATION. THE FOLLOWING RELATED ORGANIZATIONS REPORTED COMPENSATION FOR A TRUSTEE LISTED ON THE OPERATING ENGINEERS LOCAL 101 HEALTH FUND: BRIDGETTE WILLIAMS, CO-CHAIR HEAVY CONSTRUCTORS ASSOCIATION OF THE GREATER KANSAS CITY AREA EIN: 44-0563901 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION A, LINE 8B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990 PART VII, SECTION A, LINE 1A |
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| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
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| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 0 | 247 FIRE PROTECTION LLC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 1 | 3M CONTRACTING LLC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 2 | 3P UTILITY SERVICES |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 3 | A W OAKES & SON INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 4 | ABAY CONSTRUCTION INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 5 | AGRICYCLE INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 6 | ALBERICI J S CONSTRUCTION CO |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 7 | ALLEN'S MECHANICAL |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 8 | ALLSTATES PAVEMENT RECYCLING |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 9 | ALPHA ENERGY AND ELECTRIC INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 10 | AMERICAN BRIDGE CO |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 11 | AMINO BROTHERS CO INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 12 | APAC-CENTRAL INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 13 | APAC-CENTRAL INC -MASTERS |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 14 | ARROW DRILLING INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 15 | AT ABATEMENT SERVICES INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 16 | ATLAS CRANE SERVICE INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 17 | ATLAS FOUNDATION COMPANY |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 18 | ATS CONTRACTORS LLC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 19 | AUTOMATIC SYSTEMS INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 20 | AZCO INC |