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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2044724 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 5386 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 2269229 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | Foothill Family Service builds brighter futures - empowering children and families in our community to overcome challenges and achieve success in relationships, school and work. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 3594 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 4 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 6869 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 10467 |
| IRS990/AllOtherContributionsAmt | 0 | 1385636 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | James F Siegrist |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6269933000 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2500 East Foothill Blvd No 300 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Pasadena |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 91107 |
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| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 118352 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 14032 Dillerdale Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 437 West San Bernardino Room 111 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | La Puente |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Covina |
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| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 91723 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | Kimberly Loan Nguyen |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | Covina Development Center |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Child Care For Early Head Start Program |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Child Care For Early Head Start Program |
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| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 32355 |
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| IRS990/Desc | 0 | Mental Health Services for Children and Teens is funded by our contract with the LA County Department of Mental Health and Services (DMHS). It includes Mental Health, School Based Mental Health and Intensive Mental Health services for children and teens. |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 28 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 29 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 30 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 31 | 37.50 |
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| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
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| 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/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 23 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 24 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 25 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 26 | 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/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | X |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Hunt Salembier |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | David Hinton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Rey Rodriguez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Rosalina Cardenas |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Christina Perez Gonzalez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Mike Beckman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Ryan K Brist |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Silvia Solorio |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Mike Morey |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Fred A Rowley JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Chuck Tapert |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Leslie Allan |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Tom Chang MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Julietta Perez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Charlie Woo |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Coleen Ball |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Pin Tai |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Bernhard Von Thaden |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | William Chu |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | Kunal Vaishnav |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | Laurel Bear |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | Cushon Bell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | Mark A Davis Esq |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | Steve Deschenes |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | Sudhir Potturi |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | Mark Rapstad |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | Steven Allen |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | James Siegrist |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | Tiffany Tsuchiyama |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 30 | Tami Mitsumori-Miller |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | Sheila Thornton |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 151169 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 119349 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | Executive Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | Chief Financial Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | Chief Human Resources Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | Chief Compliance Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | Clinical Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1926 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 144592 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 92116 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 92116 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 27 |
| IRS990/GovernmentGrantsAmt | 0 | 21342920 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 2841100 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 3515239 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 23083517 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 27 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 6 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 3718 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 10047 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 57508 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 71273 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 2760 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 28003 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 147848 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 178611 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 50692 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 50692 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2321171 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2562310 |
| IRS990/IRPDocumentCnt | 0 | 70 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 5112780 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 8792424 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 8417288 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 13530068 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| 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 | Foothill Family Service builds brighter futures - empowering children and families in our community to overcome challenges and achieve success in relationships, school and work. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 3830667 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 3830452 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 7403467 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7294180 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 92056 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 37159 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 135088 |