| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 6954982 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 7009721 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 7861093 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 6471990 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | PROVIDE ELECTRICITY SERVICE TO RURAL MEMBERS |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 319540 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 2462677 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MARC C ROECKER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4175323164 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX M |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | LEBANON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 655360900 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 1 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 549140 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 555455 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 2727433 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 2671572 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 681527 |
| 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 | 1931623 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 1598224 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 612518 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 551614 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 187826 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1700 SOLUTIONS CENTER |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 631 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | PO BOX 1147 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 131 SOUTH OAK GROVE STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | PO BOX 428 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | CHICAGO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | LEBANON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | MANDAN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | MARSHFIELD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | LEBANON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | ND |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | MO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | MO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 60677 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 65536 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 58554 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 65706 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 65536 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | ASPLUNDH TREE EXPERT COMPANY |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | CONSOLIDATED OIL FIELD SERVICES INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | NATIONAL INFORMATION SOLUTIONS |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | CE MEYER LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | TRUE CONSTRUCTION INC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | RIGHT OF WAY CLEARING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | ELECTRIC LINE WORK AND CONSTRUCTION |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | PROVIDE SOFTWARE SUPPORT,PRINT AND MAILR |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | EXCAVATION AND LINE REPAIR/CONSTRUCTION |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | BUILDING MAINTENANCE AND CONSTRUCTION SE |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 2462677 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 352613 |
| IRS990/CYOtherExpensesAmt | 0 | 61322060 |
| IRS990/CYOtherRevenueAmt | 0 | 1102117 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 63011534 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 0 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 681527 |
| IRS990/CYTotalExpensesAmt | 0 | 64466264 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 64466264 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 6016166 |
| IRS990/Desc | 0 | PROVIDE ELECTRICITY SERVICE TO RURAL MEMBERS |
| IRS990/DescribedInSection501c3Ind | 0 | 0 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 129 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 6.20 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 9.30 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 8.30 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 4.90 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 12.90 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 13.60 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.70 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 3.40 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 56.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 47.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 48.40 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 46.30 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 48.60 |
| 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/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/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| 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 | 53139 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 146673 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 120936 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 73716 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 85714 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 58997 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 37725 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | KENNETH D BISHOP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOEL CRAVENS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JACK W HARRIS JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | W MELVIN HOFFMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | RANDALL LITTLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CARL LOWRANCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | BRENDA NUTTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JEANNIE ROBBINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MICHAEL W JONES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | MARC C ROECKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | DOUGLAS L KROESE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | TERRY D ROSENTHAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | MICHAEL D KIRKLAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | THOMAS J GREER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | KENNETH LD RUBLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | NICHOLAS G MATNEY |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 26272 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 24953 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 29022 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 26272 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 17339 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 35383 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 15400 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 26756 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 9931 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 193795 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 128333 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 155285 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 128799 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 122398 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 121605 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 118656 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 13816 |
| 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/TitleTxt | 0 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | CEO/GENERAL MANAGER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | ASSISTANT MANAGER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | MANAGER OF ENGINEERING |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | MANAGER OF OPERATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | CREW FOREMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | CREW FOREMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | SERVICE LINEMAN |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 1938 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 64466264 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 32 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InterestGrp/TotalAmt | 0 | 4050029 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 2691333 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 2590188 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 352613 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 352613 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 61 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 55256074 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 150898161 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 152879164 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 208135238 |
| IRS990/LegalDomicileStateCd | 0 | MO |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersAndShrGrossIncomeAmt | 0 | 63157845 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | PROVIDE ELECTRICITY SERVICE TO RURAL MEMBERS |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 92699071 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 91928026 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 80079426 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 79760227 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrgDoesNotFollowSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 23865865 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 23439404 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -319199 |
| IRS990/OtherExpensesGrp/Desc | 0 | COST OF PURCHASED POWER |
| IRS990/OtherExpensesGrp/Desc | 1 | DISTRIBUTION OPER/MAINT |
| IRS990/OtherExpensesGrp/Desc | 2 | CONSUMER ACCOUNT AND SA |
| IRS990/OtherExpensesGrp/Desc | 3 | ADMINISTRATIVE AND GENE |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 33543002 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 11587332 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3530986 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 2275005 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 15362592 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 15270974 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 221000 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 221000 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | EARNINGS FROM LACLEDE TECHNOLOGIE |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1010760 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 1 | 91357 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 1010760 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 91357 |
| IRS990/OtherRevenueTotalAmt | 0 | 1102117 |
| IRS990/OtherSourcesGrossIncomeAmt | 0 | 1308419 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PdInCapSrplsLandBldgEqpFundGrp/BOYAmt | 0 | 79530286 |
| IRS990/PdInCapSrplsLandBldgEqpFundGrp/EOYAmt | 0 | 79204772 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 4552541 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 3645419 |
| IRS990/PrincipalOfficerNm | 0 | MARC C ROECKER |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 221000 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 221000 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 221000 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | SALES OF ENERGY SERVICE |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | OTHER CAPITAL CREDITS |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | JOINT POLE & FIBER RENT |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 400434 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 62147085 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 464015 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 62147085 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 464015 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 400434 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 3620656 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 387312 |
| IRS990/PYOtherExpensesAmt | 0 | 61716800 |
| IRS990/PYOtherRevenueAmt | 0 | 1071015 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 64533566 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 0 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 654437 |
| IRS990/PYTotalExpensesAmt | 0 | 65991893 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 65991893 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 0 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 2499645 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 2271211 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 435447 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 1 | 151797 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 2 | 18499135 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 3 | 2224551 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 4 | 2128474 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | NON UTILITY PROPERTY-NET |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 1 | INVESTMENT IN SUBSIDIARY COMPANY |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 2 | INVESTMENT IN ASSOC ORG-PATRONAGE CAPITAL |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 3 | INVESTMENT IN ASSOC ORG-NONGENERAL |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 4 | OTHER INVESTMENTS |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 152879164 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 55256074 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 208135238 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 4072535 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 1804751 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 2 | 9393688 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | CONSUMER DEPOSITS |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | ACC PROV FOR PENSIONS & BENEFITS |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 2 | DEFERRED CREDITS |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 152879164 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 23439404 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 15270974 |
| IRS990ScheduleJ/BoardOrCommitteeApprovalInd | 0 | X |
| IRS990ScheduleJ/CompensationCommitteeInd | 0 | X |
| IRS990ScheduleJ/CompensationSurveyInd | 0 | X |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 193795 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 1 | 128333 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 2 | 155285 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 3 | 128799 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 4 | 122398 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 5 | 121605 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 6 | 118656 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 2 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 3 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 4 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 5 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 6 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 2 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 3 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 4 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 5 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 6 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 2 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 3 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 4 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 5 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 6 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 1 | 0 |