| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 109026 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 105877 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 43180 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 37394 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO INSPIRE A PASSION FOR INNOVATION |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 7461 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 555 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 55301 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 63317 |
| IRS990/AllOtherContributionsAmt | 0 | 781401 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | SARA KIETZMANN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6129263878 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 3537 ZENITH AVE S |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | MINNEAPOLIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MN |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 55416 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 304763 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 794956 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 57118 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 57118 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 114236 |
| IRS990/CompDisqualPersonsGrp/FundraisingAmt | 0 | 115950 |
| IRS990/CompDisqualPersonsGrp/ManagementAndGeneralAmt | 0 | 113700 |
| IRS990/CompDisqualPersonsGrp/ProgramServicesAmt | 0 | 898241 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 1127891 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 703 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 3650 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 6419 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 10772 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CostOfGoodsSoldAmt | 0 | 15825 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 852752 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 8402 |
| IRS990/CYInvestmentIncomeAmt | 0 | 25 |
| IRS990/CYOtherExpensesAmt | 0 | 1045373 |
| IRS990/CYOtherRevenueAmt | 0 | 17986 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 592963 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1021398 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1431349 |
| IRS990/CYTotalExpensesAmt | 0 | 2485124 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 265299 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1463726 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 20396 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 24455 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 31372 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 37823 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 267777 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 336972 |
| IRS990/Desc | 0 | EXHIBITS AND COLLECTIONS: THE BAKKEN COLLECTS, PRESERVES, AND ASSISTS SCHOLARS IN USING ITS WORLD-RENOWNED HISTORICAL COLLECTION OF RARE BOOKS AND ARTIFACTS. CHANGING EXHIBITS UTILIZE THE HISTORICAL COLLECTION AND HANDS-ON DISPLAYS TO EDUCATE AND INSPIRE VISITORS.(39,647 SERVED IN 2017) |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 55 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 397190 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 15460 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 15460 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 2727 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 4753 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 240984 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 248464 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 9550 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | BRAD BAKKEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | EARL E BAKKEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | MATTHEW HUNT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | GEORGINE L BUSCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ANN LADD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ANDREW BACHMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | REBECCA BERGMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | LAWRENCE BICK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | DOREEN BORTEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | TIMOTHY DENISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JEFF HILLINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | CAROLINE LEAB |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | KANDACE OLSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | LESA RAMOS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | KATHY SCOGGIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | BARB STINNETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | JANET SWEDAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JOHN URIBE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | HEATHER WALCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | DAVID WHITMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | MICHAEL SANDERS |
| 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/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 104685 |
| 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/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/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | BOARD PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR EMERITUS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1975 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 19 |
| IRS990/GovernmentGrantsAmt | 0 | 71351 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 8402 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 8402 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 1479551 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 20201 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 19 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 6351 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 2214 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 21160 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 29725 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 3238 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 3904 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 27638 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 34780 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 3702 |
| IRS990/InterestGrp/TotalAmt | 0 | 3702 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 15108 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 17740 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 25 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 25 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 12 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 4895830 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2315406 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2059439 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 6955269 |
| IRS990/LegalDomicileStateCd | 0 | MN |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 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 INSPIRE A PASSION FOR INNOVATION BY EXPLORING THE POTENTIAL FOR SCIENCE, TECHNOLOGY, AND THE HUMANITIES TO MAKE THE WORLD A BETTER PLACE. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 83093 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 63948 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 7988639 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7177520 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 4376 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 4376 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoncashContributionsAmt | 0 | 21330 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 12204 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 14992 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 110081 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 137277 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 4254 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 9078 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 56636 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 69968 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 4262595 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 4165157 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 210279 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 4068 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 4438 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 60226 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 68732 |
| IRS990/OtherExpensesGrp/Desc | 0 | TAXES AND FEES |
| IRS990/OtherExpensesGrp/Desc | 1 | STAFF DVLPMNT/RECRTING |
| IRS990/OtherExpensesGrp/Desc | 2 | BAD DEBT EXPENSE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 609 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 1068 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 33197 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 23373 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 2620 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 88 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 7975 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 33894 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 32416 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 2620 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 9093 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 5155 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS REVENUE |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 13610 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 13610 |
| IRS990/OtherRevenueTotalAmt | 0 | 13610 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 12298 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 11611 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 66206 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 90115 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 3929 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 3370 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 23076 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 30375 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 1185365 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 281141 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 3972 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 11245 |
| IRS990/PrincipalOfficerNm | 0 | MICHAEL SANDERS |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 541900 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 541900 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | PROGRAM SERVICE FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | FACILITY USE FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 494345 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 98618 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 494345 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 98618 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | SCHOOL AND YOUTH PROGRAMS: THE BAKKEN PROVIDES SCIENCE TEACHING AND LEARNING OPPORTUNITIES THROUGH FIELD TRIPS, INVENTION CAMPS, WORKSHOPS AND TEACHER PROFESSIONAL DEVELOPMENT.(14,230 SERVED IN 2017) |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 616612 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 8402 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 387610 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | PUBLIC PROGRAMS: THE BAKKEN ENHANCES THE EDUCATIONAL EXPERIENCE FOR CHILDREN, FAMILIES, AND ADULTS VISITING THE MUSEUM. PROGRAMMING INCLUDES EVENINGS AT THE BAKKEN, DISCOVERY DAYS, TOURS, SCIENCE STUDIOS AND PUBLIC LECTURES.(7,922 SERVED IN 2017) |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 589325 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 98618 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | SCIENCE THEATER AND OUTREACH: THROUGH INTERACTIVE SCIENCE THEATER PERFORMANCES AND WORKSHOPS THE BAKKEN BRINGS SCIENCE AND HISTORY TO LIFE AT THE MUSEUM AND IN SCHOOLS AND COMMUNITY SETTINGS. (25,369 SERVED IN 2017). |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 261165 |
| IRS990/ProgSrvcAccomActyOtherGrp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 0 | 106735 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 709501 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 18250 |
| IRS990/PYInvestmentIncomeAmt | 0 | 16 |
| IRS990/PYOtherExpensesAmt | 0 | 1154369 |
| IRS990/PYOtherRevenueAmt | 0 | 30195 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 512761 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -1369111 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1448965 |