| IRS990/AccountantCompileOrReviewInd | 0 | 1 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 50000 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 50000 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | Paying Montana policy holder claims of insolvent property and casualty insurance companies. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 0 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | David Edwards |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3037595066 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1 | 0 | 1720 South Bellaire Street |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine2 | 0 | Suite 408 |
| IRS990/BooksInCareOfDetail/USAddress/City | 0 | Denver |
| IRS990/BooksInCareOfDetail/USAddress/State | 0 | CO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCode | 0 | 80222 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 560000 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1870000 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 506936 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 170000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 138727 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 127131 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1 | 0 | PO Box 741975 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1 | 1 | PO Box 3226 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1 | 2 | 321 W Galena |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1 | 3 | 319 Broad Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2 | 0 | Suite B |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2 | 1 | PO Box 1950 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/City | 0 | Atlanta |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/City | 1 | Great Falls |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/City | 2 | Butte |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/City | 3 | Gadsden |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/State | 0 | GA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/State | 1 | MT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/State | 2 | MT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/State | 3 | AL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCode | 0 | 303741975 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCode | 1 | 594033226 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCode | 2 | 59701 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCode | 3 | 35902 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1 | 0 | Cypress Care Inc |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1 | 1 | Murphy Law Firm |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1 | 2 | Joyce Johnston & MacDonald PLLP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1 | 3 | Corporate Pharmacy Services Inc |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Medical |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Settlement |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Settlement |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Medical |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 121136 |
| IRS990/CYOtherExpensesAmt | 0 | 3423162 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 3560527 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 258501 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 3423162 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 3681663 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/Desc | 0 | Montana Insurance Guaranty Association reviewed over 225 claim files in 2013 and had 227 claims pending at year end. Over 4,600 checks were issued to claimants and providers during 2013. |
| IRS990/DescribedInSection501c3Ind | 0 | 0 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 3423162 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.0 |
| 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/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/PersonNm | 0 | Terry L Hunt |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Larry Bitterman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Robert L Fields |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Steve Kalgaard |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Carey Bertsch |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Matthew B Thiel Public Rep |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Wanda Grinde Public Rep |
| 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 | 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/TitleTxt | 0 | Board Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1971 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 3681663 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/ExclusionAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InvestmentExpenseAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 121136 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 121136 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 131 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MT |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | Protect citizens of Montana by paying policy holder claims of insolvent property and casualty insurance companies which wrote business in Montana. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 20443409 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 20701910 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Claim Losses |
| IRS990/OtherExpensesGrp/Desc | 1 | Loss Adjusting Expenses |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 2408714 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 1014448 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 2408714 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 1014448 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | David C Edwards |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 0 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 524298 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Claim Recoveries |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 3560527 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 3560527 |
| IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 100638 |
| IRS990/PYOtherExpensesAmt | 0 | 4183405 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 8965927 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 4883160 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 4183405 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 9066565 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 258501 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 3560527 |
| IRS990/RoyaltiesRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 19833409 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 18781910 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleC/AgreeCarryoverPriorYearInd | 0 | 0 |
| IRS990ScheduleC/OnlyInHouseLobbyingInd | 0 | 1 |
| IRS990ScheduleC/SubstantiallyAllDuesNondedInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Montana Insurance Guaranty Association's management duties are conducted by Western Guaranty Fund Services, a 501(c)6 organization created to provide accounting, administration and management for six property and casualty insurance guaranty associations. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Montana Insurance Guaranty Association's members are insurance companies which write insurance covered in the state. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Members of the governing board of directors are elected by Montana Insurance Guaranty Association members (insurance companies). |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | Montana Insurance Guaranty Association's form 990 was prepared by Western Guaranty Fund Services and was emailed to the board of directors prior to filing. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | At the beginning of every board meeting, members of the board are reminded of the potential for conflicts of interest and given the opportunity to discuss any conflicts. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | Montana Insurance Guaranty Association was created by Montana code ann 33-10-100 Et Esq. Governing documentation and financial statements are available to the public upon request. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section A, Line 3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section A, Line 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Section A, Line 7a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Form 990, Part VI, Section B, Line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | Form 990, Part VI, Section C, Line 19 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 1 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TemporarilyRstrNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/TemporarilyRstrNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/TempOrPermanentEndowmentsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 20443409 |
| IRS990/TotalAssetsEOYAmt | 0 | 20701910 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 20443409 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 20701910 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 0 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 3423162 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 3423162 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 20443409 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 20701910 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcGrantAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcRevenueAmt | 0 | 0 |
| IRS990/TotalOthProgramServiceRevGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalOthProgramServiceRevGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalOthProgramServiceRevGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/TotalOthProgramServiceRevGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 3423162 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 3560527 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 3681663 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 3681663 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 20443409 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 20701910 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TypeOfOrganizationAssocInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UnrestrictedNetAssetsGrp/BOYAmt | 0 | 20443409 |
| IRS990/UnrestrictedNetAssetsGrp/EOYAmt | 0 | 20701910 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1 | 0 | 1720 South Bellaire Street |
| IRS990/USAddress/AddressLine2 | 0 | Suite 408 |
| IRS990/USAddress/City | 0 | Denver |
| IRS990/USAddress/State | 0 | CO |
| IRS990/USAddress/ZIPCode | 0 | 80222 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 7 |
| IRS990/VotingMembersIndependentCnt | 0 | 7 |
| IRS990/WebsiteAddressTxt | 0 | www.mtiga.org |
| IRS990/WhistleblowerPolicyInd | 0 | 1 |
| ReasonableCauseExplanation/ExplanationTxt | 0 | Needed more time and timely filed an extension on form 8868. |
| ReturnHeader/BuildTS | 0 | 2015-11-30 17:44:51Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | David C Edwards |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President-WGFS |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3037595066 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2014-06-30 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1 | 0 | MONTANA INSURANCE GUARANTY ASSOCIATION |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | MONT |
| ReturnHeader/Filer/EIN | 0 | 237334849 |
| ReturnHeader/Filer/PhoneNum | 0 | 3037595066 |
| ReturnHeader/Filer/USAddress/AddressLine1 | 0 | 1720 South Bellaire Street |
| ReturnHeader/Filer/USAddress/AddressLine2 | 0 | Suite 408 |
| ReturnHeader/Filer/USAddress/City | 0 | Denver |
| ReturnHeader/Filer/USAddress/State | 0 | CO |
| ReturnHeader/Filer/USAddress/ZIPCode | 0 | 80222 |
| ReturnHeader/ReturnTs | 0 | 2014-06-24T15:04:49-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2013-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2013-12-31 |
| ReturnHeader/TaxYr | 0 | 2013 |