| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 58368 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 45368 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 426 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 15098 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | REPRESENTS MEMBER BITUMINOUS COAL OPERATORS |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 0 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | LINDA W PATRICK ASST SECTREASURER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2027833195 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1776 I STREET NW 245 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 200063703 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 212166 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 113159 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 417007 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 265246 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 104190 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1111 PENNSYLVANIA AVE NW |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 400 NORTH CAPITOL ST NW SUITE 585 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 20004 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 20001 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | MORGAN LEWIS & BOCKIUS |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | FORSCEY PLLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | LEGAL SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | LOBBYISTS |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | -46484 |
| IRS990/CYOtherExpensesAmt | 0 | 1793967 |
| IRS990/CYOtherRevenueAmt | 0 | 17343 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2232026 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -61110 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 470028 |
| IRS990/CYTotalExpensesAmt | 0 | 2263995 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2202885 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 1 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 531982 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 17343 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 52209 |
| IRS990/Desc | 0 | ADMINISTRATIVE SUPPORT & SERVICES:PROVIDE ADMINISTRATIVE SUPPORT AND SERVICES FOR THE MULTI-EMPLOYER COLLECTIVE BARGAINING ASSOCIATION. |
| IRS990/DescribedInSection501c3Ind | 0 | 0 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 3 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 29139 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 139939 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 140505 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 127515 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 35.00 |
| 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 | 40.00 |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 17851 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 85821 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MICHAEL MCKOWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | PAUL B PICCOLINI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ROBERT E MURRAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | RYAN M MURRAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ROBERT D MOORE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LINDA W PATRICK |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 208752 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 104583 |
| 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/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY/TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | PLAN ADMINISTRATOR & TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1970 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -47253 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 3 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 2250138 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 17343 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 2 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InsuranceGrp/TotalAmt | 0 | 17003 |
| IRS990/InterestGrp/TotalAmt | 0 | 763 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 769 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 769 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 14 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 75333 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 290899 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 60690 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 136023 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 47253 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO REPRESENT MEMBER BITUMINOUS COAL OPERATORS ON ISSUES RELEVANT TO THE INDUSTRY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 300001 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -549454 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -47253 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -47253 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 17343 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 17343 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 474263 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 26584 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 75808 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 104028 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -788345 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 4970 |
| IRS990/OtherExpensesGrp/Desc | 0 | SUBLEASE WRITE-OFF |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 752560 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 358477 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 1786354 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 27167 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 20884 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 79502 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 14110 |
| IRS990/PrincipalOfficerNm | 0 | LINDA W PATRICK |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | MEMBERSHIP DUES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MISCELLANEOUS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2223600 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 8426 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 2223600 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 8426 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | HEALTH, SAFETY, & TRAINING:HEALTH, SAFETY AND SAFETY TRAINING ACTIVITIES WERE CONDUCTED THROUGH SEMINARS, WORKSHOPS, LABOR-MANAGEMENT CONFERENCES, ETC., TO IMPROVE HEALTH AND SAFETY CONDITIONS IN THE COAL MINING INDUSTRY. |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | SPECIAL PROJECTS - LEGISLATION:THE ASSOCIATION FUNDED SPECIAL PROJECTS FOR THE PROMOTION OF BENEFITS-RELATED LEGISLATION. SUCH PROJECTS INCLUDED THE ACTIVITY OF THE ASSOCIATION'S LEGISLATIVE COUNSEL. |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 14200 |
| IRS990/PYInvestmentIncomeAmt | 0 | 14237 |
| IRS990/PYOtherExpensesAmt | 0 | 1462604 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 1924034 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -374590 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 836057 |
| IRS990/PYTotalExpensesAmt | 0 | 2312861 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 1938271 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -61110 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 17343 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 590027 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 992526 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleC/AgreeCarryoverPriorYearInd | 0 | 0 |
| IRS990ScheduleC/DuesAssessmentsAmt | 0 | 2223600 |
| IRS990ScheduleC/NonDedLbbyngPltclCyovAmt | 0 | -468040 |
| IRS990ScheduleC/NonDeductibleLbbyngPltclCYAmt | 0 | 104190 |
| IRS990ScheduleC/NonDeductibleLbbyngPltclTotAmt | 0 | -363850 |
| IRS990ScheduleC/OnlyInHouseLobbyingInd | 0 | 0 |
| IRS990ScheduleC/SubstantiallyAllDuesNondedInd | 0 | 0 |
| IRS990ScheduleC/TaxableAmt | 0 | -363850 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 60690 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 75333 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 136023 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 47253 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 2263995 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 104028 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | RENT SECURITY DEPOSIT |
| IRS990ScheduleD/OtherExpensesIncludedAmt | 0 | 47253 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 14781 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 762718 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 2 | 900933 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 3 | 107922 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | CAPITAL LEASE OBLIGATION |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | ACCRUED POSTRETIREMENT BENEFITS |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 2 | SUBLEASE LOSS LIABILITY |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 3 | DEFERRED RENT |
| IRS990ScheduleD/OtherRevenueAmt | 0 | 47253 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 47253 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 2202885 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | LOSS ON SALE OF EQUIPMENT - $47,253 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | LOSS ON SALE OF EQUIPMENT - $47,253 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART XI, LINE 2D - OTHER ADJUSTMENTS: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART XII, LINE 2D - OTHER ADJUSTMENTS: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 60690 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 104028 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 2263995 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 1786354 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 2202885 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 2250138 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 2311248 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 1 |
| IRS990ScheduleJ/BoardOrCommitteeApprovalInd | 0 | X |
| IRS990ScheduleJ/CompensationSurveyInd | 0 | X |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 208752 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 1 | 94583 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 1 | 10000 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 0 | 3239 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 1 | 55770 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 0 | 14612 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 1 | 30051 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | MICHAEL MCKOWN |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 1 | LINDA W PATRICK |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 1 | PLAN ADMINISTRATOR & TRUSTEE |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 226603 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 1 | 190404 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/SeverancePaymentInd | 0 | 0 |
| IRS990ScheduleJ/SupplementalInformationDetail/ExplanationTxt | 0 | THE PRESIDENT'S BONUSES ARE DETERMINED AND APPROVED BY THE BOARD. ALL OTHER BONUSES ARE AT THE DISCRETION OF THE PRESIDENT UPON BOARD APPROVAL OF THE BUDGET. |
| IRS990ScheduleJ/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 7 |
| IRS990ScheduleJ/SupplementalNonqualRtrPlanInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | MEMBERSHIP OF THE BITUMINOUS COAL OPERATORS' ASSOCIATION, INC. (BCOA)IS DIVIDED INTO TWO CLASSES WHICH HAVE VOTING RIGHTS: 1.) BITUMINOUS COAL OPERATORS, WHETHER OR NOT INCORPORATED, WHO SHALL BE REFERRED TO AS OPERATOR MEMBERS. 2.) BITUMINOUS COAL OPERATORS ASSOCIATION, WHETHER OR NOT INCORPORATED, DULY AUTHORIZED BY THEIR CHARTERS OR ARTICLES OF ASSOCIATION TO REPRESENT GROUPS OF BITUMINOUS COAL PRODUCERS WITHIN THEIR RESPECTIVE AREAS OR DISTRICTS IN MATTERS PERTINENT HERETO, WHICH SHALL BE DESIGNATED AS ASSOCIATION MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | 1.) THE BOARD OF DIRECTORS SHALL CONSIST OF ONE DIRECTOR APPOINTED BY EACH OPERATOR MEMBER OR ANY POOL GROUP OF MEMBERS WHICH PRODUCED IN THE PRECEDING CALENDAR YEAR AT LEAST 1,000,000 TONS OF COAL. EACH OPERATOR MEMBER SHALL BE LIMITED TO ONE (1) DIRECTOR. 2.) ALL ASSOCIATION MEMBERS SHALL BE ENTITLED TO APPOINT AT LEASE ONE (1) DIRECTOR AND SUCH ADDITIONAL DIRECTORS AS THE BOARD OF DIRECTORS MAY DETERMINE AT THE ANNUAL MEETING UNLESS THE ASSOCIATION FALLS BELOW ONE (1) MILLION TONS AS THE RESULT OF DIRECT REPRESENTATION BY A MEMBER OR MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE AMENDING OF THE CONSTITUTION AND BY-LAWS REQUIRES AN AFFIRMATIVE VOTE FROM MEMBERS REPRESENTING TWO-THIRDS (66-2/3 PERCENT) OF THE TOTAL TONNAGE OF COAL PRODUCED DURING THE PRECEDING CALENDAR YEAR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | A DRAFT OF THE FORM 990 IS REVIEWED AND APPROVED BY THE PRESIDENT AND THE SECRETARY/TREASURER. A COPY IS ALSO DISTRIBUTED TO THE REMAINDER OF THE GOVERNING BODY. ONCE APPROVED THE RETURN IS FINALIZED AND SIGNED BY THE PRESIDENT AS APPROPRIATE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | BCOA REQUIRES THE EMPLOYEES AND BOARD TO SIGN A CONFLICT OF INTEREST POLICY AND DISCLOSE ANUALLY ANY CONFLICTS AT BCOA'S ANNUAL BOARD MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | AN ANNUAL SALARY REVIEW IS PERFORMED IN WHICH THE PRESIDENT MAKES RECOMMENDATIONS FOR STAFF MEMBERS, WHICH THE CHAIRMAN REVIEWS AND AMENDS AS NECESSARY. THE CHAIRMAN THEN APPROVES THE ANNUAL SALARY. THE PRESIDENT'S SALARY IS DETERMINED BY THE CHAIRMAN AND BASED ON INDUSTRY FIGURES. ADDITIONALLY, THE BOARD OF DIRECTORS APPROVES THE ANNUAL SALARY BUDGET AS PART OF THE BUDGET APPROVAL PROCESS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | PENSION LIABILITY EXPENSE -597,495. POST-RETIREMENT LIABILITY EXPENSE -190,850. NET CHANGE IN ACCRUED NON-QUALIFIED RETIREMENT LIABILITY |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION A, LINE 7B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 11 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART VI, SECTION B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PART XI, LINE 9: |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | BITUMINOUS COAL OPERATORS' ASSOCIATION INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | BITUMINOUS COAL OPERATORS' ASSOCIATION INC RETIREE WELFARE BENEFIT TRUST |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 753101353 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501(C)(9) |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | PROVIDE HEALTH CARE BENEFITS FOR RETIRED EMPLOYEES OF BCOA |
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