| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1643017 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1535681 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1321199 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1350508 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | CALVERT HEALTH SYSTEM, INC. WAS ORGANIZED AND AT ALL TIMES OPERATES EXCLUSIVELY FOR THE BENEFIT OF CALVERTHEALTH MEDICAL CENTER. CALVERT HEALTH SYSTEM, INC. MANAGES ITS SUBSIDIARIES IN ORDER TO PROMOTE AND SUPPORT PUBLIC HEALTH PROGRAMS AND SERVICES FOR THE COMMUNITY. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 48728 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 48728 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | CAROLYN HEITHAUS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4105358241 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 100 HOSPITAL ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | PRINCE FREDERICK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20678 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 6667283 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 6490635 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 313227 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 313227 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 399 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 43391 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 43790 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 247231 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 140400 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO BOX 972633 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 201 DEFENSE HIGHWAY SUITE 150 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | DALLAS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | ANNAPOLIS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 75397 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 21401 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | WEATHERBY LOCUMS INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | ANNE ARUNDEL HEALTHCARE ENTERPRISES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | LOCUM TENENS PHYSICIAN |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CLINICAL PHYSICIAN SERVICES |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 3822181 |
| IRS990/CYOtherExpensesAmt | 0 | 11335808 |
| IRS990/CYOtherRevenueAmt | 0 | 238996 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 17843208 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1757203 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 12325780 |
| IRS990/CYTotalExpensesAmt | 0 | 23661588 |
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| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 21904385 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 219530 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 219530 |
| IRS990/Desc | 0 | PROVISION OF AN ARRAY OF PRIMARY CARE AND SECONDARY CARE PHYSICIAN SERVICES TO MEMBERS OF THE CALVERT HEALTH SYSTEM COMMUNITY IN ORDER TO PROVIDE THE CALVERT HEALTH SYSTEM COMMUNITY, WHICH IS MORE RURAL IN NATURE AND HAS SOME CONCERNS REGARDING ACCESS TO CARE, WITH CONVENIENT ACCESS TO A COORDINATED NETWORK OF PHYSICIANS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 1 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 177 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 21997570 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 450368 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 450368 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 663064 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 663064 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 308153 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 308153 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 3.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 20 | 2.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 21 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 22 | 43.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 23 | 43.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| 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 | 3.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 41.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 2.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 28 | 40.00 |
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| 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/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/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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
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| 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 | 18917 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 110644 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 29446 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 20623 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 30556 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 31076 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 32308 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 13240 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | ANTHONY BUTTERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | BARBARA GARDNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ERIC FRANKLIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | GYAN SURANA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | KAREN O'BRIEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KATHY DICKINSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | LOUJEANIA JOHNSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MARK DAVIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | SALLY SHOWALTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | SAM NAZZARO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | SAMUEL FOSTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | STEPHANIE DABULIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | RICHARD FLEMING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | WILFRED EHRMANTRAUT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | FRED BUMGARNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | KENNETH ABBOTT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | KEVIN NIETMANN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | HENRY TRENTMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | TERRI WOLFLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | CLIFF STEWART |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | KEVIN BETZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | DAVID SHOWERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | DEAN TEAGUE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | CAROLYN HEITHAUS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | SAAD HAQUE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | BILAL AHMED |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | ERVIND BHOGTE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | APARAJITA MAHATA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | BARBARA ESTES |
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| 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 | 422228 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 546296 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 693763 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 486901 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 387919 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 366314 |
| 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 | 22598 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 40000 |
| 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/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 595349 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 354274 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| 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 | EX-OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | EX-OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | EX-OFFICIO (LEFT FYE 6/30/19) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | CHAIRPERSON (LEFT FYE 6/30/19) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | CHAIRPERSON |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | VICE CHAIRPERSON |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | PRESIDENT & CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | VP FINANCE & CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | PHYSICIAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | PHYSICIAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | PHYSICIAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | PHYSICIAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | PHYSICIAN |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2000 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 27803 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -129651 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 20 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 27803 |
| IRS990/GrossReceiptsAmt | 0 | 22034036 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 17 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 34 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 244449 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 244449 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 415657 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 415657 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 149189 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 65000 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 113051 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 187885 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 3924029 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 3924029 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 9725465 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 9713722 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 4181129 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 5260236 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 108247008 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 84839935 |
| IRS990/IRPDocumentCnt | 0 | 16 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 2590521 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 227763 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 354969 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 2945490 |
| IRS990/LegalDomicileStateCd | 0 | MD |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 129651 |
| 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/MiscellaneousRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 5014 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 5014 |
| IRS990/MissionDesc | 0 | CALVERT HEALTH SYSTEM, INC. WAS ORGANIZED AND AT ALL TIMES OPERATES EXCLUSIVELY FOR THE BENEFIT OF CALVERTHEALTH MEDICAL CENTER. CALVERT HEALTH SYSTEM,INC. MANAGES ITS SUBSIDIARIES IN ORDER TO PROMOTE AND SUPPORT PUBLIC HEALTH PROGRAMS AND SERVICES FOR THE COMMUNITY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 125914441 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 102028026 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -101848 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -101848 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 2143488 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 69987 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 1064357 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1134344 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 4986 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 305412 |