| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 71627 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 89143 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 276487 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 327991 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO PROMOTE AND DEVELOP PROGRAMS, SERVICES, AND ACTIVITIES DESIGNED TO STRENGTHEN AND ENHANCE THE ABILITY OF CONTRACTORS, TRADESMEN, APPRENTICES, AND TRAINERS. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | HAWAII IRON WORKERS STABILIZATION FUND |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8086714344 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 94-497 UKEE STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WAIPAHU |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | HI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 96797 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 929684 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1901213 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 449097 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 6745 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 138615 |
| IRS990/CYOtherExpensesAmt | 0 | 365677 |
| IRS990/CYOtherRevenueAmt | 0 | 41135 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2463808 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1143884 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1133997 |
| IRS990/CYTotalExpensesAmt | 0 | 1499674 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2643558 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 576 |
| IRS990/Desc | 0 | TO MEET WITH GOVERNMENT AGENCIES TO MONITOR ON-GOING LEGISLATION REGARDING CONSTRUCTION (SALARIES $916,623 AND FRINGE BENEFITS $154,262). |
| IRS990/DescribedInSection501c3Ind | 0 | 0 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/ExpenseAmt | 0 | 1070885 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 31414 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 20215 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 16119 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| 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/AverageHoursPerWeekRt | 6 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | 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/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 | 31700 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 51988 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | T GEORGE PARIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOSEPH O'DONNELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOHN WATANABE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | EDSON HOO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | LINCOLN NAIWI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ARNOLD WONG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MELVIN KAHELE |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 449097 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 131731 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 123124 |
| 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 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | UNION TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | EMPLOYER TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | EMPLOYER TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | UNION TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | LOBBYIST |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | LOBBYIST |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1992 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -36803 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 4619133 |
| IRS990/GrossReceiptsAmt | 0 | 7299494 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 3 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/TotalAmt | 0 | 10530 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 175418 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 175418 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 4822777 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 5074694 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 11187 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1134 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 558 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 11745 |
| IRS990/LegalDomicileStateCd | 0 | HI |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 4655936 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO PROMOTE AND DEVELOP PROGRAMS, SERVICES, AND ACTIVITIES DESIGNED TO STRENGTHEN AND ENHANCE THE ABILITY OF CONTRACTORS, TRADESMEN, APPRENTICES, AND TRAINERS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 6282079 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7403370 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | -36803 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -36803 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -22593 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 8822 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 23693 |
| IRS990/OfficerMailingAddressInd | 0 | 1 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 59161 |
| IRS990/OtherExpensesGrp/Desc | 0 | EDUCATION AND INDUSTRY |
| IRS990/OtherExpensesGrp/Desc | 1 | TRANSFERS |
| IRS990/OtherExpensesGrp/Desc | 2 | TAXES-1120-POL |
| IRS990/OtherExpensesGrp/Desc | 3 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 138156 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 80000 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 27965 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 152 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 88450 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherOrganizationDsc | 0 | NOT FOR PROFIT ORGANIZATION |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 41135 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 41135 |
| IRS990/OtherRevenueTotalAmt | 0 | 41135 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 467526 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 63112 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 95101 |
| IRS990/PoliticalCampaignActyInd | 0 | 1 |
| IRS990/PrincipalOfficerNm | 0 | LINCOLN NAIWI JOHN WATA |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | EMPLOYERS' CONTRIBUTION |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2463808 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 2463808 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | TO PROVIDE POTENTIAL EMPLOYERS WITH INFORMATION REGARDING PROGRAMS ON SAFETY, HEALTH, AND JOB TRAINING. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 138156 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 55922 |
| IRS990/PYOtherExpensesAmt | 0 | 259450 |
| IRS990/PYOtherRevenueAmt | 0 | 1185 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 2444017 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 1165841 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1075833 |
| IRS990/PYTotalExpensesAmt | 0 | 1335283 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 2501124 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1143884 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 412074 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 188057 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleC/AgreeCarryoverPriorYearInd | 0 | 0 |
| IRS990ScheduleC/DuesAssessmentsAmt | 0 | 2463808 |
| IRS990ScheduleC/OnlyInHouseLobbyingInd | 0 | 0 |
| IRS990ScheduleC/PoliticalExpendituresAmt | 0 | 80000 |
| IRS990ScheduleC/Section527PoliticalOrgGrp/EIN | 0 | 912166573 |
| IRS990ScheduleC/Section527PoliticalOrgGrp/OrganizationBusinessName/BusinessNameLine1Txt | 0 | HAWAII IRON WORKERS STABILIZATION PAC |
| IRS990ScheduleC/Section527PoliticalOrgGrp/USAddress/AddressLine1Txt | 0 | 94-497 UKEE STREET |
| IRS990ScheduleC/Section527PoliticalOrgGrp/USAddress/CityNm | 0 | WAIPAHU |
| IRS990ScheduleC/Section527PoliticalOrgGrp/USAddress/StateAbbreviationCd | 0 | HI |
| IRS990ScheduleC/Section527PoliticalOrgGrp/USAddress/ZIPCd | 0 | 96797 |
| IRS990ScheduleC/SubstantiallyAllDuesNondedInd | 0 | 0 |
| IRS990ScheduleC/SupplementalInformationDetail/ExplanationTxt | 0 | DONATIONS TO POLITICAL CAMPAIGNS SUPPORTING THE CONSTRUCTION INDUSTRY. |
| IRS990ScheduleC/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I-A, LINE 1: |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 1499674 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 558 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 11187 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 11745 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 2643558 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | EXPLANATION: THE AUDITED FINANCIAL STATEMENTS CONTAIN THE FOLLOWING DISCLOSURE PERTAINING TO FIN 48 (ASC 740) "THE FUND IS A TAX-EXEMPT ORGANIZATION UNDER SECTION 501(C)(5) OF THE INTERNAL REVENUE CODE (IRC), THOUGH IT WOULD BE SUBJECT TO TAX ON INCOME UNRELATED TO ITS EXEMPT PURPOSES (UNLESS THAT INCOME IS OTHERWISE EXCLUDED BY THE IRC). THE TAX YEARS ENDING 2015, 2016, AND 2017 ARE STILL OPEN TO INCOME TAX EXAMINATIONS." |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 558 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 1499674 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 2643558 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 2643558 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 1499674 |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 433590 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 15507 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | T GEORGE PARIS |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | EXECUTIVE DIRECTOR |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 449097 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/SeverancePaymentInd | 0 | 0 |
| IRS990ScheduleJ/SupplementalInformationDetail/ExplanationTxt | 0 | THE COMPENSATION OF THE EXECUTIVE DIRECTOR AND LOBBYISTS ARE DETERMINED AND APPROVED BY THE BOARD OF TRUSTEES. THE BOARD OF TRUSTEES ALSO REVIEW THE COMPENSATION OF THE DIRECTOR AND THE LOBBYISTS ON AN ANNUAL BASIS. |
| IRS990ScheduleJ/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE J, PART 1 LINE 3 |
| IRS990ScheduleJ/SupplementalNonqualRtrPlanInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | JOSEPH O'DONNELL IS EMPLOYED AS THE FINANCIAL SECRETARY AND BUSINESS MANAGER OF THE HAWAII IRON WORKERS UNION LOCAL 625. LINCOLN NAIWI IS THE PRESIDENT OF THE HAWAII IRON WORKERS UNION LOCAL 625. LINCOLN NAIWI IS EMPLOYED BY THE HAWAII IRON WORKERS ADMINISTRATIVE OFFICE. LINCOLN NAIWI AND JOSEPH O'DONNELL ARE TRUSTEES OF THE HAWAII IRON WORKERS ADMINISTRATIVE OFFICE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ALL DOCUMENTS ARE REVIEWED BY APPROPRIATE INDIVIDUALS PRIOR TO FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | POLICY IS REVIEWED BY THE TRUSTEES ANNUALLY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE COMPENSATION OF THE DIRECTOR IS DETERMINED AND APPROVED BY THE BOARD OF TRUSTEES. THE COMPENSATION IS REVIEWED ON AN ANNUAL BASIS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | DOCUMENTS ARE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | JOHN WATANABE - 1042 PUUWAI STREET, HONOLULU, HI 96819. EDSON HOO - 961 AHUA STREET, HONOLULU, HI 96819. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | THE BOARD OF TRUSTEES SELECTS THE INDEPENDENT AUDITOR AND APPOINTS JOHN WATANABE (TRUSTEE) TO REVIEW THE FINANCIAL STATEMENTS. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART VII CONTACT ADDRESSES FOR OFFICERS, DIRECTORS, ETC |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PART XII, LINE 2C |
| IRS990ScheduleR/AssetExchangeInd | 0 | 0 |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingNACd | 0 | N/A |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | HAWAII IRON WORKERS STABILIZATION PAC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 912166573 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501(C)(5) |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | HI |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | POLITICAL EXPENDITURES |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 94-497 UKEE STREET |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | WAIPAHU |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | HI |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 0 | 96797 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | 0 |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | 0 |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/InvolvedAmt | 0 | 80000 |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/MethodOfAmountDeterminationTxt | 0 | TRANSFERS TO PAC CHECKING |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine1Txt | 0 | HAWAII IRON WORKERS STABILIZATION PAC |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/TransactionTypeTxt | 0 | R |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | 1 |
| 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/TempOrPermanentEndowmentsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 6442156 |
| IRS990/TotalAssetsEOYAmt | 0 | 7492513 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 6442156 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 7492513 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 1 |
| IRS990/TotalEmployeeCnt | 0 | 6 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 1499674 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 160077 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 89143 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 160077 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 89143 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 6282079 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 7403370 |
| IRS990/TotalOtherCompensationAmt | 0 | 83688 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 1209041 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 2463808 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 703952 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 175418 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2468140 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 2643558 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 6442156 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 7492513 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TransactionWithControlEntInd | 0 | 0 |
| IRS990/TravelGrp/TotalAmt | 0 | 1290 |
| IRS990/TypeOfOrganizationOtherInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UnrestrictedNetAssetsGrp/BOYAmt | 0 | 6282079 |
| IRS990/UnrestrictedNetAssetsGrp/EOYAmt | 0 | 7403370 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 94-497 UKEE STREET |
| IRS990/USAddress/CityNm | 0 | WAIPAHU |
| IRS990/USAddress/StateAbbreviationCd | 0 | HI |
| IRS990/USAddress/ZIPCd | 0 | 96797 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 4 |
| IRS990/VotingMembersIndependentCnt | 0 | 4 |
| IRS990/WebsiteAddressTxt | 0 | NONE |
| IRS990/WhistleblowerPolicyInd | 0 | 1 |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | LINCOLN NAIWI JOHN WATANABE |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | UNION TRUSTEE / EMPLOYER TRUSTEE |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 8086714344 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2018-12-03 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | HAWAII IRON WORKERS' STABILIZATION FUND |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | HAWA |
| ReturnHeader/Filer/EIN | 0 | 990301705 |
| ReturnHeader/Filer/PhoneNum | 0 | 8086714344 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 94-497 UKEE STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | WAIPAHU |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | HI |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 96797 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionCreationDeviceId | 0 | DA39A3EE5E6B4B0D3255BFEF95601890AFD80709 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionFilingDeviceId | 0 | 49BB2F10723231FD51741FF402E4D9634F77C578 |