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| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 9675 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 604 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The mission of Bright by Three is to provide a bright beginning for all Colorado children by helping families support their children's physical, emotional, and intellectual development during the critical first three years of life. |
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| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 2878 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 27957 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 41113 |
| IRS990/AllAffiliatesIncludedInd | 0 | false |
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| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 412 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 5741 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 7624 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
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| IRS990/BooksInCareOfDetail/PersonNm | 0 | Jean McSpadden |
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| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 3605 Martin Luther Kind Blvd |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Denver |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CO |
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| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
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| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1888 |
| IRS990/Desc | 0 | Bright by Three provides free programs in both English and Spanish for all Colorado parents and caregivers with children under three years old. The Bright by Three program contains accurate, research-based information, tools, and resources to help parents and caregivers give their child the best start in life. Volunteers and staff meet parents and caregivers at home, at work, at the pediatrician's office, in groups or at any community setting of their choice. Often, Bright by Three partners with community agencies to offer our programs in all 64 Colorado counties. Parents and caregivers can also sign up for Bright by Text, which sends 3-5 weekly text messages to parents and caregivers containing bite-sized nudges and activities timed to the developmental stage of their child. |
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| IRS990/ElectionOfBoardMembersInd | 0 | false |
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| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 1004878 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 35777 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 35777 |
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| IRS990/ForeignActivitiesInd | 0 | false |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
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| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Jim Carpenter |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Anna Jo Haynes |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Taylor Kirkpatrick |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Elaine Kelton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Nim Patel |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Jorge Gonzalez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Ryan Welch |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Doug Edwards |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Jennifer Sadler |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Bea Romer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Eric Anderson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Scott Sampson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | David Trautenberg |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Bernie Buescher |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Merriam Spurgeon |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Elizabeth Kincannon MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Jean McSpadden |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Chairman |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Vice Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | President & CEO |
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| IRS990/Form990TFiledInd | 0 | false |
| IRS990/FormationYr | 0 | 1995 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
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| IRS990/FSAuditedInd | 0 | true |
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| IRS990/FundraisingDirectExpensesAmt | 0 | 55359 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 55359 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 18 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 318435 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 318435 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | true |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1471693 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
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| IRS990/IndependentAuditFinclStmtInd | 0 | false |
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| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
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| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1151 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 322 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 3130 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 4603 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 5550 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 3750 |
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| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 88819 |
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| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1658 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
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| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
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| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 19 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 5165 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 42564 |
| IRS990/LegalDomicileStateCd | 0 | CO |
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| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | The mission of Bright by Three is to provide a bright beginning for all Colorado children by helping families support their children's physical, emotional, and intellectual development during the critical first three years of life. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1750437 |
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| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 12841 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 3595 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 34927 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 51363 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 853 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 239 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 2321 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3413 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OrgFiledInLieuOfForm1041Ind | 0 | false |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 5902 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 1652 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 16051 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 23605 |
| IRS990/OtherExpensesGrp/Desc | 0 | Technology |
| IRS990/OtherExpensesGrp/Desc | 1 | Special events costs |
| IRS990/OtherExpensesGrp/Desc | 2 | Telephone |
| IRS990/OtherExpensesGrp/Desc | 3 | Miscellaneous |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 11841 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 1945 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 1461 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 544 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 409 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 201986 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 5289 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 3974 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 201986 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 11841 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 7778 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 5844 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 57549 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 15896 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 200373 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 273818 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 8537 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 2391 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 23221 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 34149 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 546000 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 240000 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 6693 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 5102 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Other services |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 17915 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 17915 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 1207881 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 363103 |
| IRS990/PYInvestmentIncomeAmt | 0 | 1522 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 366749 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 76365 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 403186 |
| IRS990/PYTotalExpensesAmt | 0 | 1133038 |
| IRS990/PYTotalRevenueAmt | 0 | 1209403 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |