3.25.2 html 350 383 1 true 108 0 false 9 false false R1.htm 0000001 - Document - COVER Sheet http://www.evolenthealth.com/role/COVER COVER Cover 1 false false R2.htm 9952151 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.evolenthealth.com/role/CONSOLIDATEDBALANCESHEETS CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.evolenthealth.com/role/CONSOLIDATEDBALANCESHEETSParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) Sheet http://www.evolenthealth.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) Statements 4 false false R5.htm 9952154 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN MEZZANINE AND SHAREHOLDERS??? EQUITY Sheet http://www.evolenthealth.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINMEZZANINEANDSHAREHOLDERSEQUITY CONSOLIDATED STATEMENTS OF CHANGES IN MEZZANINE AND SHAREHOLDERS??? EQUITY Statements 5 false false R6.htm 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.evolenthealth.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 9952156 - Disclosure - Organization Sheet http://www.evolenthealth.com/role/Organization Organization Notes 7 false false R8.htm 9952157 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciples Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles Notes 8 false false R9.htm 9952158 - Disclosure - Recently Issued Accounting Standards Sheet http://www.evolenthealth.com/role/RecentlyIssuedAccountingStandards Recently Issued Accounting Standards Notes 9 false false R10.htm 9952159 - Disclosure - Transactions Sheet http://www.evolenthealth.com/role/Transactions Transactions Notes 10 false false R11.htm 9952160 - Disclosure - Revenue Recognition Sheet http://www.evolenthealth.com/role/RevenueRecognition Revenue Recognition Notes 11 false false R12.htm 9952161 - Disclosure - Credit Losses Sheet http://www.evolenthealth.com/role/CreditLosses Credit Losses Notes 12 false false R13.htm 9952162 - Disclosure - Property and Equipment, Net Sheet http://www.evolenthealth.com/role/PropertyandEquipmentNet Property and Equipment, Net Notes 13 false false R14.htm 9952163 - Disclosure - Goodwill and Intangible Assets, Net Sheet http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNet Goodwill and Intangible Assets, Net Notes 14 false false R15.htm 9952164 - Disclosure - Debt Sheet http://www.evolenthealth.com/role/Debt Debt Notes 15 false false R16.htm 9952165 - Disclosure - Commitments and Contingencies Sheet http://www.evolenthealth.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 16 false false R17.htm 9952166 - Disclosure - Leases Sheet http://www.evolenthealth.com/role/Leases Leases Notes 17 false false R18.htm 9952167 - Disclosure - Convertible Preferred Equity Sheet http://www.evolenthealth.com/role/ConvertiblePreferredEquity Convertible Preferred Equity Notes 18 false false R19.htm 9952168 - Disclosure - Loss Per Common Share Sheet http://www.evolenthealth.com/role/LossPerCommonShare Loss Per Common Share Notes 19 false false R20.htm 9952169 - Disclosure - Stock-based Compensation Sheet http://www.evolenthealth.com/role/StockbasedCompensation Stock-based Compensation Notes 20 false false R21.htm 9952170 - Disclosure - Income Taxes Sheet http://www.evolenthealth.com/role/IncomeTaxes Income Taxes Notes 21 false false R22.htm 9952171 - Disclosure - Investments and Equity Method Investees Sheet http://www.evolenthealth.com/role/InvestmentsandEquityMethodInvestees Investments and Equity Method Investees Notes 22 false false R23.htm 9952172 - Disclosure - Fair Value Measurement Sheet http://www.evolenthealth.com/role/FairValueMeasurement Fair Value Measurement Notes 23 false false R24.htm 9952173 - Disclosure - Related Parties Sheet http://www.evolenthealth.com/role/RelatedParties Related Parties Notes 24 false false R25.htm 9952174 - Disclosure - Repositioning and Other Changes Sheet http://www.evolenthealth.com/role/RepositioningandOtherChanges Repositioning and Other Changes Notes 25 false false R26.htm 9952175 - Disclosure - Segment Reporting Sheet http://www.evolenthealth.com/role/SegmentReporting Segment Reporting Notes 26 false false R27.htm 9952176 - Disclosure - Reserve for Claims and Performance-Based Arrangements Sheet http://www.evolenthealth.com/role/ReserveforClaimsandPerformanceBasedArrangements Reserve for Claims and Performance-Based Arrangements Notes 27 false false R28.htm 9952177 - Disclosure - Supplemental Cash Flow Information Sheet http://www.evolenthealth.com/role/SupplementalCashFlowInformation Supplemental Cash Flow Information Notes 28 false false R29.htm 9952178 - Disclosure - Subsequent Events Sheet http://www.evolenthealth.com/role/SubsequentEvents Subsequent Events Notes 29 false false R30.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 30 false false R31.htm 9955511 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles (Policies) Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesPolicies Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles (Policies) Policies http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciples 31 false false R32.htm 9955512 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles (Tables) Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesTables Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles (Tables) Tables http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciples 32 false false R33.htm 9955513 - Disclosure - Transactions (Tables) Sheet http://www.evolenthealth.com/role/TransactionsTables Transactions (Tables) Tables http://www.evolenthealth.com/role/Transactions 33 false false R34.htm 9955514 - Disclosure - Revenue Recognition (Tables) Sheet http://www.evolenthealth.com/role/RevenueRecognitionTables Revenue Recognition (Tables) Tables http://www.evolenthealth.com/role/RevenueRecognition 34 false false R35.htm 9955515 - Disclosure - Credit Losses (Tables) Sheet http://www.evolenthealth.com/role/CreditLossesTables Credit Losses (Tables) Tables http://www.evolenthealth.com/role/CreditLosses 35 false false R36.htm 9955516 - Disclosure - Property and Equipment, Net (Tables) Sheet http://www.evolenthealth.com/role/PropertyandEquipmentNetTables Property and Equipment, Net (Tables) Tables http://www.evolenthealth.com/role/PropertyandEquipmentNet 36 false false R37.htm 9955517 - Disclosure - Goodwill and Intangible Assets, Net (Tables) Sheet http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNetTables Goodwill and Intangible Assets, Net (Tables) Tables http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNet 37 false false R38.htm 9955518 - Disclosure - Debt (Tables) Sheet http://www.evolenthealth.com/role/DebtTables Debt (Tables) Tables http://www.evolenthealth.com/role/Debt 38 false false R39.htm 9955519 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.evolenthealth.com/role/CommitmentsandContingenciesTables Commitments and Contingencies (Tables) Tables http://www.evolenthealth.com/role/CommitmentsandContingencies 39 false false R40.htm 9955520 - Disclosure - Leases (Tables) Sheet http://www.evolenthealth.com/role/LeasesTables Leases (Tables) Tables http://www.evolenthealth.com/role/Leases 40 false false R41.htm 9955521 - Disclosure - Convertible Preferred Equity (Tables) Sheet http://www.evolenthealth.com/role/ConvertiblePreferredEquityTables Convertible Preferred Equity (Tables) Tables http://www.evolenthealth.com/role/ConvertiblePreferredEquity 41 false false R42.htm 9955522 - Disclosure - Loss Per Common Share (Tables) Sheet http://www.evolenthealth.com/role/LossPerCommonShareTables Loss Per Common Share (Tables) Tables http://www.evolenthealth.com/role/LossPerCommonShare 42 false false R43.htm 9955523 - Disclosure - Stock-based Compensation (Tables) Sheet http://www.evolenthealth.com/role/StockbasedCompensationTables Stock-based Compensation (Tables) Tables http://www.evolenthealth.com/role/StockbasedCompensation 43 false false R44.htm 9955524 - Disclosure - Fair Value Measurement (Tables) Sheet http://www.evolenthealth.com/role/FairValueMeasurementTables Fair Value Measurement (Tables) Tables http://www.evolenthealth.com/role/FairValueMeasurement 44 false false R45.htm 9955525 - Disclosure - Related Parties (Tables) Sheet http://www.evolenthealth.com/role/RelatedPartiesTables Related Parties (Tables) Tables http://www.evolenthealth.com/role/RelatedParties 45 false false R46.htm 9955526 - Disclosure - Repositioning and Other Changes (Tables) Sheet http://www.evolenthealth.com/role/RepositioningandOtherChangesTables Repositioning and Other Changes (Tables) Tables http://www.evolenthealth.com/role/RepositioningandOtherChanges 46 false false R47.htm 9955527 - Disclosure - Segment Reporting (Tables) Sheet http://www.evolenthealth.com/role/SegmentReportingTables Segment Reporting (Tables) Tables http://www.evolenthealth.com/role/SegmentReporting 47 false false R48.htm 9955528 - Disclosure - Reserve for Claims and Performance-Based Arrangements (Tables) Sheet http://www.evolenthealth.com/role/ReserveforClaimsandPerformanceBasedArrangementsTables Reserve for Claims and Performance-Based Arrangements (Tables) Tables http://www.evolenthealth.com/role/ReserveforClaimsandPerformanceBasedArrangements 48 false false R49.htm 9955529 - Disclosure - Supplemental Cash Flow Information (Tables) Sheet http://www.evolenthealth.com/role/SupplementalCashFlowInformationTables Supplemental Cash Flow Information (Tables) Tables http://www.evolenthealth.com/role/SupplementalCashFlowInformation 49 false false R50.htm 9955530 - Disclosure - Organization (Details) Sheet http://www.evolenthealth.com/role/OrganizationDetails Organization (Details) Details http://www.evolenthealth.com/role/Organization 50 false false R51.htm 9955531 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Schedule of Restricted Cash and Restricted Investments (Details) Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesScheduleofRestrictedCashandRestrictedInvestmentsDetails Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Schedule of Restricted Cash and Restricted Investments (Details) Details 51 false false R52.htm 9955532 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Schedule of Consolidated Statements of Cash Flows (Details) Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesScheduleofConsolidatedStatementsofCashFlowsDetails Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Schedule of Consolidated Statements of Cash Flows (Details) Details 52 false false R53.htm 9955533 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Schedule of Estimated Useful Lives Assets (Details) Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesScheduleofEstimatedUsefulLivesAssetsDetails Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Schedule of Estimated Useful Lives Assets (Details) Details 53 false false R54.htm 9955534 - Disclosure - Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Narrative (Details) Sheet http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesNarrativeDetails Basis of Presentation, Summary of Significant Accounting Policies and Change in Accounting Principles - Narrative (Details) Details http://www.evolenthealth.com/role/BasisofPresentationSummaryofSignificantAccountingPoliciesandChangeinAccountingPrinciplesTables 54 false false R55.htm 9955535 - Disclosure - Transactions - Narrative (Details) Sheet http://www.evolenthealth.com/role/TransactionsNarrativeDetails Transactions - Narrative (Details) Details 55 false false R56.htm 9955536 - Disclosure - Transactions - Schedule of Allocation of Purchase Price and Net Assets Acquired (Details) Sheet http://www.evolenthealth.com/role/TransactionsScheduleofAllocationofPurchasePriceandNetAssetsAcquiredDetails Transactions - Schedule of Allocation of Purchase Price and Net Assets Acquired (Details) Details 56 false false R57.htm 9955537 - Disclosure - Revenue Recognition - Schedule of Disaggregation of Revenue (Details) Sheet http://www.evolenthealth.com/role/RevenueRecognitionScheduleofDisaggregationofRevenueDetails Revenue Recognition - Schedule of Disaggregation of Revenue (Details) Details 57 false false R58.htm 9955538 - Disclosure - Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations (Details) Sheet http://www.evolenthealth.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations (Details) Details 58 false false R59.htm 9955539 - Disclosure - Revenue Recognition - Schedule of Contract with Customer, Asset and Liability (Details) Sheet http://www.evolenthealth.com/role/RevenueRecognitionScheduleofContractwithCustomerAssetandLiabilityDetails Revenue Recognition - Schedule of Contract with Customer, Asset and Liability (Details) Details 59 false false R60.htm 9955540 - Disclosure - Revenue Recognition - Contract Costs Assets (Details) Sheet http://www.evolenthealth.com/role/RevenueRecognitionContractCostsAssetsDetails Revenue Recognition - Contract Costs Assets (Details) Details 60 false false R61.htm 9955541 - Disclosure - Credit Losses - Schedule of Accounts Receivable Aging Analysis (Details) Sheet http://www.evolenthealth.com/role/CreditLossesScheduleofAccountsReceivableAgingAnalysisDetails Credit Losses - Schedule of Accounts Receivable Aging Analysis (Details) Details 61 false false R62.htm 9955542 - Disclosure - Credit Losses - Schedule of Changes in Allowance for Accounts Receivable (Details) Sheet http://www.evolenthealth.com/role/CreditLossesScheduleofChangesinAllowanceforAccountsReceivableDetails Credit Losses - Schedule of Changes in Allowance for Accounts Receivable (Details) Details 62 false false R63.htm 9955543 - Disclosure - Property and Equipment, Net (Details) Sheet http://www.evolenthealth.com/role/PropertyandEquipmentNetDetails Property and Equipment, Net (Details) Details http://www.evolenthealth.com/role/PropertyandEquipmentNetTables 63 false false R64.htm 9955544 - Disclosure - Goodwill and Intangible Assets, Net - Narrative (Details) Sheet http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNetNarrativeDetails Goodwill and Intangible Assets, Net - Narrative (Details) Details 64 false false R65.htm 9955545 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Change in Goodwill (Details) Sheet http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNetScheduleofChangeinGoodwillDetails Goodwill and Intangible Assets, Net - Schedule of Change in Goodwill (Details) Details 65 false false R66.htm 9955546 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) Sheet http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNetScheduleofIntangibleAssetsNetDetails Goodwill and Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) Details 66 false false R67.htm 9955547 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Future Estimated Amortization of Intangible Assets (Details) Sheet http://www.evolenthealth.com/role/GoodwillandIntangibleAssetsNetScheduleofFutureEstimatedAmortizationofIntangibleAssetsDetails Goodwill and Intangible Assets, Net - Schedule of Future Estimated Amortization of Intangible Assets (Details) Details 67 false false R68.htm 9955548 - Disclosure - Debt - Narrative (Details) Sheet http://www.evolenthealth.com/role/DebtNarrativeDetails Debt - Narrative (Details) Details 68 false false R69.htm 9955549 - Disclosure - Debt - Schedule of Convertible Debt (Details) Sheet http://www.evolenthealth.com/role/DebtScheduleofConvertibleDebtDetails Debt - Schedule of Convertible Debt (Details) Details 69 false false R70.htm 9955550 - Disclosure - Debt - Schedule of Debt (Details) Sheet http://www.evolenthealth.com/role/DebtScheduleofDebtDetails Debt - Schedule of Debt (Details) Details 70 false false R71.htm 9955551 - Disclosure - Commitments and Contingencies - Narrative (Details) Sheet http://www.evolenthealth.com/role/CommitmentsandContingenciesNarrativeDetails Commitments and Contingencies - Narrative (Details) Details 71 false false R72.htm 9955552 - Disclosure - Commitments and Contingencies - Schedule of Credit and Concentration Risk (Details) Sheet http://www.evolenthealth.com/role/CommitmentsandContingenciesScheduleofCreditandConcentrationRiskDetails Commitments and Contingencies - Schedule of Credit and Concentration Risk (Details) Details 72 false false R73.htm 9955553 - Disclosure - Leases - Narrative (Details) Sheet http://www.evolenthealth.com/role/LeasesNarrativeDetails Leases - Narrative (Details) Details 73 false false R74.htm 9955554 - Disclosure - Leases - Schedule of Primary Office Leases (Details) Sheet http://www.evolenthealth.com/role/LeasesScheduleofPrimaryOfficeLeasesDetails Leases - Schedule of Primary Office Leases (Details) Details 74 false false R75.htm 9955555 - Disclosure - Leases - Schedule of Components of Lease Expense (Details) Sheet http://www.evolenthealth.com/role/LeasesScheduleofComponentsofLeaseExpenseDetails Leases - Schedule of Components of Lease Expense (Details) Details 75 false false R76.htm 9955556 - Disclosure - Leases - Schedule of Maturity of Lease Liabilities (Details) Sheet http://www.evolenthealth.com/role/LeasesScheduleofMaturityofLeaseLiabilitiesDetails Leases - Schedule of Maturity of Lease Liabilities (Details) Details 76 false false R77.htm 9955557 - Disclosure - Leases - Schedule of Weighted-average Discount Rate and Weighted-remaining Lease Terms (Details) Sheet http://www.evolenthealth.com/role/LeasesScheduleofWeightedaverageDiscountRateandWeightedremainingLeaseTermsDetails Leases - Schedule of Weighted-average Discount Rate and Weighted-remaining Lease Terms (Details) Details 77 false false R78.htm 9955558 - Disclosure - Convertible Preferred Equity - Narrative (Details) Sheet http://www.evolenthealth.com/role/ConvertiblePreferredEquityNarrativeDetails Convertible Preferred Equity - Narrative (Details) Details 78 false false R79.htm 9955559 - Disclosure - Convertible Preferred Equity - Schedule Of Paid Dividends (Details) Sheet http://www.evolenthealth.com/role/ConvertiblePreferredEquityScheduleOfPaidDividendsDetails Convertible Preferred Equity - Schedule Of Paid Dividends (Details) Details 79 false false R80.htm 9955560 - Disclosure - Loss Per Common Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) Sheet http://www.evolenthealth.com/role/LossPerCommonShareScheduleofComputationofBasicandDilutedEarningsPerShareDetails Loss Per Common Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) Details 80 false false R81.htm 9955561 - Disclosure - Loss Per Common Share -Schedule of Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) Sheet http://www.evolenthealth.com/role/LossPerCommonShareScheduleofAntidilutiveSecuritiesExcludedFromComputationofEarningsPerShareDetails Loss Per Common Share -Schedule of Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) Details 81 false false R82.htm 9955562 - Disclosure - Stock-based Compensation - Schedule of Stock-Based Compensation Expense (Details) Sheet http://www.evolenthealth.com/role/StockbasedCompensationScheduleofStockBasedCompensationExpenseDetails Stock-based Compensation - Schedule of Stock-Based Compensation Expense (Details) Details 82 false false R83.htm 9955563 - Disclosure - Stock-based Compensation - Narrative (Details) Sheet http://www.evolenthealth.com/role/StockbasedCompensationNarrativeDetails Stock-based Compensation - Narrative (Details) Details 83 false false R84.htm 9955564 - Disclosure - Stock-based Compensation - Schedule of Stock-Based Awards Granted (Details) Sheet http://www.evolenthealth.com/role/StockbasedCompensationScheduleofStockBasedAwardsGrantedDetails Stock-based Compensation - Schedule of Stock-Based Awards Granted (Details) Details 84 false false R85.htm 9955565 - Disclosure - Income Taxes (Details) Sheet http://www.evolenthealth.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.evolenthealth.com/role/IncomeTaxes 85 false false R86.htm 9955566 - Disclosure - Investments and Equity Method Investees (Details) Sheet http://www.evolenthealth.com/role/InvestmentsandEquityMethodInvesteesDetails Investments and Equity Method Investees (Details) Details http://www.evolenthealth.com/role/InvestmentsandEquityMethodInvestees 86 false false R87.htm 9955567 - Disclosure - Fair Value Measurement - Schedule of Assets and Liabilities on Recurring Basis (Details) Sheet http://www.evolenthealth.com/role/FairValueMeasurementScheduleofAssetsandLiabilitiesonRecurringBasisDetails Fair Value Measurement - Schedule of Assets and Liabilities on Recurring Basis (Details) Details 87 false false R88.htm 9955568 - Disclosure - Fair Value Measurement - Narrative (Details) Sheet http://www.evolenthealth.com/role/FairValueMeasurementNarrativeDetails Fair Value Measurement - Narrative (Details) Details 88 false false R89.htm 9955569 - Disclosure - Fair Value Measurement - Schedule of Changes in Contingent Consideration Measured at Fair Value (Details) Sheet http://www.evolenthealth.com/role/FairValueMeasurementScheduleofChangesinContingentConsiderationMeasuredatFairValueDetails Fair Value Measurement - Schedule of Changes in Contingent Consideration Measured at Fair Value (Details) Details 89 false false R90.htm 9955570 - Disclosure - Fair Value Measurement - Schedule of Valuation Techniques and Significant Unobservable Inputs (Details) Sheet http://www.evolenthealth.com/role/FairValueMeasurementScheduleofValuationTechniquesandSignificantUnobservableInputsDetails Fair Value Measurement - Schedule of Valuation Techniques and Significant Unobservable Inputs (Details) Details 90 false false R91.htm 9955571 - Disclosure - Related Parties - Assets and Liabilities (Details) Sheet http://www.evolenthealth.com/role/RelatedPartiesAssetsandLiabilitiesDetails Related Parties - Assets and Liabilities (Details) Details 91 false false R92.htm 9955572 - Disclosure - Related Parties - Revenues and Expenses (Details) Sheet http://www.evolenthealth.com/role/RelatedPartiesRevenuesandExpensesDetails Related Parties - Revenues and Expenses (Details) Details 92 false false R93.htm 9955573 - Disclosure - Repositioning and Other Changes (Details) Sheet http://www.evolenthealth.com/role/RepositioningandOtherChangesDetails Repositioning and Other Changes (Details) Details http://www.evolenthealth.com/role/RepositioningandOtherChangesTables 93 false false R94.htm 9955574 - Disclosure - Segment Reporting - Narrative (Details) Sheet http://www.evolenthealth.com/role/SegmentReportingNarrativeDetails Segment Reporting - Narrative (Details) Details 94 false false R95.htm 9955575 - Disclosure - Segment Reporting - Reconciliation of Adjusted EBITDA (Details) Sheet http://www.evolenthealth.com/role/SegmentReportingReconciliationofAdjustedEBITDADetails Segment Reporting - Reconciliation of Adjusted EBITDA (Details) Details 95 false false R96.htm 9955576 - Disclosure - Reserve for Claims and Performance-Based Arrangements (Details) Sheet http://www.evolenthealth.com/role/ReserveforClaimsandPerformanceBasedArrangementsDetails Reserve for Claims and Performance-Based Arrangements (Details) Details http://www.evolenthealth.com/role/ReserveforClaimsandPerformanceBasedArrangementsTables 96 false false R97.htm 9955577 - Disclosure - Supplemental Cash Flow Information (Details) Sheet http://www.evolenthealth.com/role/SupplementalCashFlowInformationDetails Supplemental Cash Flow Information (Details) Details http://www.evolenthealth.com/role/SupplementalCashFlowInformationTables 97 false false All Reports Book All Reports evh-20250630.htm evh-20250630.xsd evh-20250630_cal.xml evh-20250630_def.xml evh-20250630_lab.xml evh-20250630_pre.xml http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true