| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 2837918 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 3217277 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 3869361 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 2813926 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE MISSION OF BAY CHILDREN'S PHYSICIANS IS THREEFOLD: TO ESTABLISH, OPERATE AND MAINTAIN MEDICAL CLINICS FOR THE PROVISION OF HEALTHCARE SERVICES IN CALIFORNIA; TO PROMOTE HEALTH BY PROVIDING, COORDINATING, INTEGRATING AND FACILITATING HEALTH CARE, MEDICAL AND WELLNESS SERVICES FOR CHILDREN; TO CONDUCT, SPONSOR AND SUPPORT MEDICAL RESEARCH, MEDICAL EDUCATION AND HEALTH EDUCATION. |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 12021 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 30015 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 42036 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | LUAL LUALHATI ACCOUNTING MANAGER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4154764977 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 6475 CHRISTIE AVENUE NO 300 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | EMERYVILLE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94608 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 5815937 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 6272043 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 310754 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 310754 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 1452252 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 623082 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 416727 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 248907 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 158235 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | P O BOX 742526 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 201 MAIN ST 7K |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 20 WINOOSKI FALLS WY 7 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO BOX 972651 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 6425 CHRISTIE AVE 110 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | ATLANTA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | HOUSTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | WINOOSKE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | DALLAS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | EMERYVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | GA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | VT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 30374 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 77002 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 05404 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 75397 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 94608 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | PST SERVICES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | E ENGLETT AND ASSOCIATES LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | PHYSICIAN'S COMPUTER CO INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | COMPHEALTH |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | CHILDREN FIRST MEDICAL GROUP |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | BILLING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CONSULTING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | BILLING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | PHYSICIAN SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | CREDENTIALING FEES |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | -110043 |
| IRS990/CYOtherExpensesAmt | 0 | 49222849 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 59500048 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 0 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 10167156 |
| IRS990/CYTotalExpensesAmt | 0 | 59390005 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 59390005 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 21156 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 768094 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 789250 |
| IRS990/Desc | 0 | THE FOUNDATION IS A PEDIATRIC MULTI-SPECIALTY PHYSICIAN FOUNDATION WITH A PRIMARY GOAL OF FOSTERING PHYSICIAN COLLABORATION TO DELIVER ADVANCED PEDIATRIC CARE. THE SPECIFIC AND PRIMARY PURPOSES OF THE FOUNDATION ARE TO PERFORM AND CARRY OUT CHARITABLE HEALTH FUNCTIONS AND PURPOSES BY CONDUCTING THE FOLLOWING ACTIVITIES: (1) ESTABLISHING, OPERATING AND MAINTAINING MEDICAL CLINICS FOR THE PROVISION OF HEALTHCARE SERVICES IN CALIFORNIA, PURSUANT TO THE PROVISION OF SECTION 1206(1) OF THE CALIFORNIA HEALTH AND SAFETY CODE; (2) PROMOTING HEALTH BY PROVIDING, COORDINATING, INTEGRATING, AND FACILITATING HEALTHCARE, MEDICAL AND WELLNESS SERVICES FOR CHILDREN; (3)CONDUCTING, SPONSORING AND SUPPORTING MEDICAL RESEARCH, MEDICAL EDUCATION, AND HEALTH EDUCATION; AND (4) ENGAGING IN ANY OTHER ACTIVITIES PERMITTED FOR A CORPORATION ORGANIZED UNDER THE NONPROFIT PUBLIC BENEFIT CORPORATION LAW. THE FOUNDATION CONTRACTS WITH PEDIATRIC MULTISPECIALTY MEDICAL GROUP ("PMMG") TO PROVIDE PHYSICIAN SERVICES. PMMG EMPLOYS APPROXIMATELY 90 PHYSICIANS WHO PRIMARILY WORK IN BCHO CLINICS AND AT BCHO. BEGINNING IN JANUARY 2015, THE FOUNDATION ESTABLISHED A PROFESSIONAL SERVICE AGREEMENT WITH BAY CHILDREN'S MEDICAL GROUP (BCMG). DURING THE YEAR ENDED JUNE 30, 2018, BCMG EMPLOYED 33 PHYSICIANS WHO SPLIT TIME BETWEEN BCHO CLINICS AND COMMUNITYBASED OFFICES. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | UCSF BENIOFF CHILDREN'S PHYSICIANS |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 103 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 56641944 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 110330 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 110330 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 113661 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 113661 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 190232 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 44636995 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 44827227 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| 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 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | 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/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | 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 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 73104 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 69625 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 18105 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 39700 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 62624 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 43067 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 59923 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 49328 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 48201 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 8463 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 30584 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 38101 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 28329 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 28151 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 45478 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 27533 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 64112 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 51654 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JOSHUA ADLER MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | BARRIE STRICKLAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | SHARON PILMER MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DANNA GOSSETT MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DAVID DURAND MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | TED CHACONAS MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | STEVE WILSON MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MICHAEL ANDERSON MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MITCHELL NEYHART |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LEANNE PASHKOV |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ERWIN SCHRITTWIESER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | CECILIA MINALGA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | MARY FAULKNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | ZAHIR AHMADI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | SUSAN SEABORNE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | JULIE HALLGREN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | DENISE JIMENEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | RICHARD DECARLO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | KENNETH JONES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | ANTHONY RUSSELL MD |
| 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 | 296124 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 204508 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 106813 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 171542 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 161089 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 158061 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 145327 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 138933 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 306122 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 761144 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 868632 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 272239 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 408219 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 510115 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 529378 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 1152949 |
| 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 | 377220 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 447769 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY (THROUGH 12/17) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY (STARTING 01/18) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | CHIEF EXECUTIVE OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | CHIEF OPERATING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | INTERIM CFO (START 05/18) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | PRACTICE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | FINANCE MANAGER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | OPERATIONS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | REVENUE CYCLE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | HUMAN RESOURCES DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | DIRECTOR (THROUGH 04/17) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | DIRECTOR (THROUGH 05/17) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | CHIEF MEDICAL OFFICER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2007 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 1 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -136739 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 59526744 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 1 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 19 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 287 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 439544 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 439831 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 26696 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 26696 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 42 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1386360 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 3651083 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 4043514 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 5429874 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 136739 |
| 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 | THE MISSION OF BAY CHILDREN'S PHYSICIANS IS THREEFOLD: 1) TO ESTABLISH, OPERATE AND MAINTAIN MEDICAL CLINICS FOR THE PROVISION OF HEALTHCARE SERVICES IN CALIFORNIA; 2) TO PROMOTE HEALTH BY PROVIDING, COORDINATING, INTEGRATING AND FACILITATING HEALTH CARE, MEDICAL AND WELLNESS SERVICES FOR CHILDREN; AND 3) TO CONDUCT, SPONSOR AND SUPPORT MEDICAL RESEARCH, MEDICAL EDUCATION AND HEALTH EDUCATION. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -136739 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -136739 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 9110 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 434853 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 1374802 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1809655 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 14767 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 47466 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 62233 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 85281 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 51431 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 389679 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 2352513 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 2742192 |
| IRS990/OtherExpensesGrp/Desc | 0 | PHARMACEUTICALS |
| IRS990/OtherExpensesGrp/Desc | 1 | SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 2 | MISCELLANEOUS EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 3 | RECRUITING |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 54497 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 6775 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 16862 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 468399 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 280459 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 92889 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 74668 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 468399 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 334956 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 99664 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 91530 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 11270796 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 10499791 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 945105 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 5357105 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 6302210 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 444770 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 321963 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 121771 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 690229 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 812000 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 242282 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 214191 |
| IRS990/PrincipalOfficerNm | 0 | MITCHELL NEYHART |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 541900 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 541900 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | PHYSICIAN SERVICE REV |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | NET PATIENT REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 38592091 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 20907957 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 38592091 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 20907957 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 33553 |
| IRS990/PYOtherExpensesAmt | 0 | 49123191 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 57964863 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 0 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 8875225 |
| IRS990/PYTotalExpensesAmt | 0 | 57998416 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 57998416 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 0 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |