3.26.1 html 483 599 1 true 156 0 false 11 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.sinovac.com/20251231/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - Consolidated Balance Sheets Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 75020 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) Sheet http://www.sinovac.com/20251231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss Consolidated Statements of Operations and Comprehensive Income (Loss) Statements 4 false false R5.htm 75060 - Statement - Consolidated Statements of Shareholders' Equity Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_StatementConsolidatedStatementsOfShareholdersEquity Consolidated Statements of Shareholders' Equity Statements 5 false false R6.htm 75070 - Statement - Consolidated Statements of Cash Flows Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 6 false false R7.htm 75080 - Statement - Consolidated Statements of Cash Flows (Parenthetical) Sheet http://www.sinovac.com/20251231/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsParenthetical Consolidated Statements of Cash Flows (Parenthetical) Statements 7 false false R8.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 8 false false R9.htm 995457 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance Disclosure Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernanceDisclosure Cybersecurity Risk Management, Strategy, and Governance Disclosure Notes 9 false false R10.htm 995467 - Disclosure - Description of Business Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureDescriptionOfBusiness1 Description of Business Notes 10 false false R11.htm 995477 - Disclosure - Significant Accounting Policies Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPolicies Significant Accounting Policies Notes 11 false false R12.htm 995487 - Disclosure - Cash, Cash Equivalents, and Restricted Cash Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCashCashEquivalentsAndRestrictedCash Cash, Cash Equivalents, and Restricted Cash Notes 12 false false R13.htm 995497 - Disclosure - Investments Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInvestments Investments Notes 13 false false R14.htm 995507 - Disclosure - Trust for Incentive Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureTrustForIncentive Trust for Incentive Notes 14 false false R15.htm 995517 - Disclosure - Accounts Receivable - Net Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivableNet Accounts Receivable - Net Notes 15 false false R16.htm 995527 - Disclosure - Inventories Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInventories Inventories Notes 16 false false R17.htm 995537 - Disclosure - Property, Plant and Equipment, Net Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePropertyPlantAndEquipmentNet1 Property, Plant and Equipment, Net Notes 17 false false R18.htm 995547 - Disclosure - Prepaid Land Use Rights, Net Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePrepaidLandUseRightsNet1 Prepaid Land Use Rights, Net Notes 18 false false R19.htm 995557 - Disclosure - Intangible Assets, Net Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureIntangibleAssetsNet1 Intangible Assets, Net Notes 19 false false R20.htm 995567 - Disclosure - Leases Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureLeases Leases Notes 20 false false R21.htm 995577 - Disclosure - Impairment of Goodwill and IPR&D from Acquisition Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureImpairmentOfGoodwillAndIprdFromAcquisition Impairment of Goodwill and IPR&D from Acquisition Notes 21 false false R22.htm 995587 - Disclosure - Bank Loans Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoans Bank Loans Notes 22 false false R23.htm 995597 - Disclosure - Related Party Transactions and Balances Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAndBalances Related Party Transactions and Balances Notes 23 false false R24.htm 995607 - Disclosure - Accounts Payable and Accrued Liabilities Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsPayableAndAccruedLiabilities Accounts Payable and Accrued Liabilities Notes 24 false false R25.htm 995617 - Disclosure - Income Taxes Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 25 false false R26.htm 995627 - Disclosure - Sales Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSales Sales Notes 26 false false R27.htm 995637 - Disclosure - Deferred Government Grants Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureDeferredGovernmentGrants Deferred Government Grants Notes 27 false false R28.htm 995647 - Disclosure - Commitments and Contingencies Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 28 false false R29.htm 995657 - Disclosure - Common Stock Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCommonStock Common Stock Notes 29 false false R30.htm 995667 - Disclosure - Stock Options Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureStockOptions Stock Options Notes 30 false false R31.htm 995677 - Disclosure - Statutory Surplus Reserves Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureStatutorySurplusReserves Statutory Surplus Reserves Notes 31 false false R32.htm 995687 - Disclosure - Dividends Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureDividends1 Dividends Notes 32 false false R33.htm 995697 - Disclosure - Earnings (Loss) per Share Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShare Earnings (Loss) per Share Notes 33 false false R34.htm 995707 - Disclosure - Segment Information Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSegmentInformation Segment Information Notes 34 false false R35.htm 995717 - Disclosure - Collaboration Agreements Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCollaborationAgreements Collaboration Agreements Notes 35 false false R36.htm 995727 - Disclosure - Subsequent Events Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSubsequentEvents Subsequent Events Notes 36 false false R37.htm 995737 - Disclosure - Condensed Financial Information of the Parent Company Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCondensedFinancialInformationOfParentCompany Condensed Financial Information of the Parent Company Notes 37 false false R38.htm 995747 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPolicies 38 false false R39.htm 995757 - Disclosure - Description of Business (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureDescriptionOfBusinessTables Description of Business (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosureDescriptionOfBusiness1 39 false false R40.htm 995767 - Disclosure - Significant Accounting Policies (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPoliciesTables Significant Accounting Policies (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPolicies 40 false false R41.htm 995777 - Disclosure - Cash, Cash Equivalents, and Restricted Cash (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCashCashEquivalentsAndRestrictedCashTables Cash, Cash Equivalents, and Restricted Cash (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosureCashCashEquivalentsAndRestrictedCash 41 false false R42.htm 995787 - Disclosure - Investments (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInvestmentsTables Investments (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInvestments 42 false false R43.htm 995797 - Disclosure - Accounts Receivable - Net (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivableNetTables Accounts Receivable - Net (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivableNet 43 false false R44.htm 995807 - Disclosure - Inventories (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInventoriesTables Inventories (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInventories 44 false false R45.htm 995817 - Disclosure - Property, Plant and Equipment, Net (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetTables Property, Plant and Equipment, Net (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosurePropertyPlantAndEquipmentNet1 45 false false R46.htm 995827 - Disclosure - Prepaid Land Use Rights, Net (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePrepaidLandUseRightsNetTables Prepaid Land Use Rights, Net (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosurePrepaidLandUseRightsNet1 46 false false R47.htm 995837 - Disclosure - Intangible Assets, Net (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureIntangibleAssetsNetTables Intangible Assets, Net (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosureIntangibleAssetsNet1 47 false false R48.htm 995847 - Disclosure - Leases (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureLeasesTables Leases (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureLeases 48 false false R49.htm 995857 - Disclosure - Impairment of Goodwill and IPR&D from Acquisition (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureImpairmentOfGoodwillAndIprdFromAcquisitionTables Impairment of Goodwill and IPR&D from Acquisition (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosureImpairmentOfGoodwillAndIprdFromAcquisition 49 false false R50.htm 995867 - Disclosure - Bank Loans (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoansTables Bank Loans (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoans 50 false false R51.htm 995877 - Disclosure - Related Party Transactions and Balances (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAndBalancesTables Related Party Transactions and Balances (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAndBalances 51 false false R52.htm 995887 - Disclosure - Accounts Payable and Accrued Liabilities (Table) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsPayableAndAccruedLiabilitiesTable Accounts Payable and Accrued Liabilities (Table) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsPayableAndAccruedLiabilities 52 false false R53.htm 995897 - Disclosure - Income Taxes (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxes 53 false false R54.htm 995907 - Disclosure - Sales (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSalesTables Sales (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosureSales 54 false false R55.htm 995917 - Disclosure - Deferred Government Grants (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureDeferredGovernmentGrantsTables Deferred Government Grants (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureDeferredGovernmentGrants 55 false false R56.htm 995937 - Disclosure - Earnings (Loss) per Share (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShareTables Earnings (Loss) per Share (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShare 56 false false R57.htm 995947 - Disclosure - Segment Information (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSegmentInformationTables Segment Information (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSegmentInformation 57 false false R58.htm 995957 - Disclosure - Condensed Financial Information of the Parent Company (Tables) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCondensedFinancialInformationOfParentCompanyTables Condensed Financial Information of the Parent Company (Tables) Tables http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCondensedFinancialInformationOfParentCompany 58 false false R59.htm 995967 - Disclosure - Description of Business - Schedule of Significant Subsidiaries (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureDescriptionOfBusinessScheduleOfSignificantSubsidiariesDetails Description of Business - Schedule of Significant Subsidiaries (Details) Details 59 false false R60.htm 995977 - Disclosure - Significant Accounting Policies - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPoliciesAdditionalInformationDetails Significant Accounting Policies - Additional Information (Details) Details 60 false false R61.htm 995987 - Disclosure - Significant Accounting Policies - Schedule of Estimated Useful Lives of Assets (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSignificantAccountingPoliciesScheduleOfEstimatedUsefulLivesOfAssetsDetails Significant Accounting Policies - Schedule of Estimated Useful Lives of Assets (Details) Details 61 false false R62.htm 995997 - Disclosure - Significant Accounting Policies - Summary of Assets and Liabilities Measured on a Recurring Basis (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSignificantAccountingPoliciesSummaryOfAssetsAndLiabilitiesMeasuredOnARecurringBasisDetails Significant Accounting Policies - Summary of Assets and Liabilities Measured on a Recurring Basis (Details) Details 62 false false R63.htm 996007 - Disclosure - Significant Accounting Policies - Summary of Investments Fair Value Measured Using Net Asset Value Per Share Practical Expedient (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSignificantAccountingPoliciesSummaryOfInvestmentsFairValueMeasuredUsingNetAssetValuePerSharePracticalExpedientDetails Significant Accounting Policies - Summary of Investments Fair Value Measured Using Net Asset Value Per Share Practical Expedient (Details) Details 63 false false R64.htm 996017 - Disclosure - Cash, Cash Equivalents, and Restricted Cash - Schedule of Cash, Cash Equivalents, and Restricted Cash (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCashCashEquivalentsAndRestrictedCashScheduleOfCashCashEquivalentsAndRestrictedCashDetails Cash, Cash Equivalents, and Restricted Cash - Schedule of Cash, Cash Equivalents, and Restricted Cash (Details) Details 64 false false R65.htm 996027 - Disclosure - Cash and cash equivalents - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCashAndCashEquivalentsAdditionalInformationDetails Cash and cash equivalents - Additional Information (Details) Details 65 false false R66.htm 996037 - Disclosure - Investments - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInvestmentsAdditionalInformationDetails Investments - Additional Information (Details) Details 66 false false R67.htm 996047 - Disclosure - Investments - Summary of Short-term Investments Classifications (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInvestmentsSummaryOfShortTermInvestmentsClassificationsDetails Investments - Summary of Short-term Investments Classifications (Details) Details 67 false false R68.htm 996057 - Disclosure - Investments - Summary Long-term Investments Held by Company (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInvestmentsSummaryLongTermInvestmentsHeldByCompanyDetails Investments - Summary Long-term Investments Held by Company (Details) Details 68 false false R69.htm 996077 - Disclosure - Investments - Summary of Equity Method Investments (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureInvestmentsSummaryOfEquityMethodInvestmentsDetails Investments - Summary of Equity Method Investments (Details) Details 69 false false R70.htm 996087 - Disclosure - Trust for Incentive - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureTrustForIncentiveAdditionalInformationDetails Trust for Incentive - Additional Information (Details) Details 70 false false R71.htm 996097 - Disclosure - Accounts Receivable - Net - Schedule of Accounts Receivable (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivableNetScheduleOfAccountsReceivableDetails Accounts Receivable - Net - Schedule of Accounts Receivable (Details) Details 71 false false R72.htm 996107 - Disclosure - Accounts Receivable - Net - Schedule of Allowance for Credit Loss (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureAccountsReceivableNetScheduleOfAllowanceForCreditLossDetails Accounts Receivable - Net - Schedule of Allowance for Credit Loss (Details) Details 72 false false R73.htm 996117 - Disclosure - Accounts Receivable - Net - Schedule of Maximum Exposure to Credit Risk Relating to Accounts Receivable (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureAccountsReceivableNetScheduleOfMaximumExposureToCreditRiskRelatingToAccountsReceivableDetails Accounts Receivable - Net - Schedule of Maximum Exposure to Credit Risk Relating to Accounts Receivable (Details) Details 73 false false R74.htm 996127 - Disclosure - Inventories - Summary of Inventories (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInventoriesSummaryOfInventoriesDetails Inventories - Summary of Inventories (Details) Details 74 false false R75.htm 996137 - Disclosure - Inventories - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureInventoriesAdditionalInformationDetails Inventories - Additional Information (Details) Details 75 false false R76.htm 996147 - Disclosure - Property, Plant and Equipment, Net - Summary of Property,Plant And Equipment (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetSummaryOfPropertyplantAndEquipmentDetails Property, Plant and Equipment, Net - Summary of Property,Plant And Equipment (Details) Details 76 false false R77.htm 996157 - Disclosure - Property, Plant and Equipment, Net - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetAdditionalInformationDetails Property, Plant and Equipment, Net - Additional Information (Details) Details 77 false false R78.htm 996167 - Disclosure - Prepaid Land Lease Payments - Schedule of Prepaid Land Lease Payments (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosurePrepaidLandLeasePaymentsScheduleOfPrepaidLandLeasePaymentsDetails Prepaid Land Lease Payments - Schedule of Prepaid Land Lease Payments (Details) Details 78 false false R79.htm 996177 - Disclosure - Prepaid Land Use Rights, Net - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosurePrepaidLandUseRightsNetAdditionalInformationDetails Prepaid Land Use Rights, Net - Additional Information (Details) Details 79 false false R80.htm 996187 - Disclosure - Intangible Assets, Net - Schedule of Intangible Assets Net (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureIntangibleAssetsNetScheduleOfIntangibleAssetsNetDetails Intangible Assets, Net - Schedule of Intangible Assets Net (Details) Details 80 false false R81.htm 996197 - Disclosure - Intangible Assets, Net - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureIntangibleAssetsNetAdditionalInformationDetails Intangible Assets, Net - Additional Information (Details) Details 81 false false R82.htm 996207 - Disclosure - Intangible Assets, Net - Schedule of Future Amortization Expenses for Intangible Assets (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureIntangibleAssetsNetScheduleOfFutureAmortizationExpensesForIntangibleAssetsDetails Intangible Assets, Net - Schedule of Future Amortization Expenses for Intangible Assets (Details) Details 82 false false R83.htm 996217 - Disclosure - Leases - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureLeasesAdditionalInformationDetails Leases - Additional Information (Details) Details 83 false false R84.htm 996227 - Disclosure - Leases - Supplemental Cash Flow Information Relating to Operating Leases (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureLeasesSupplementalCashFlowInformationRelatingToOperatingLeasesDetails Leases - Supplemental Cash Flow Information Relating to Operating Leases (Details) Details 84 false false R85.htm 996237 - Disclosure - Leases - Schedule of Future Lease Payments under Operating Leases (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureLeasesScheduleOfFutureLeasePaymentsUnderOperatingLeasesDetails Leases - Schedule of Future Lease Payments under Operating Leases (Details) Details 85 false false R86.htm 996257 - Disclosure - Impairment of Goodwill and IPR&D from Acquisition - Summary of Assets Recognized and Liabilities Assumed (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureImpairmentOfGoodwillAndIprdFromAcquisitionSummaryOfAssetsRecognizedAndLiabilitiesAssumedDetails Impairment of Goodwill and IPR&D from Acquisition - Summary of Assets Recognized and Liabilities Assumed (Details) Details 86 false false R87.htm 996267 - Disclosure - Impairment of Goodwill and IPR&D from Acquisition - Summay of Changes in the Carrying Amount of Goodwill (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureImpairmentOfGoodwillAndIprdFromAcquisitionSummayOfChangesInTheCarryingAmountOfGoodwillDetails Impairment of Goodwill and IPR&D from Acquisition - Summay of Changes in the Carrying Amount of Goodwill (Details) Details 87 false false R88.htm 996277 - Disclosure - Impairment of Goodwill and IPR&D from Acquisition - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureImpairmentOfGoodwillAndIprdFromAcquisitionAdditionalInformationDetails Impairment of Goodwill and IPR&D from Acquisition - Additional Information (Details) Details 88 false false R89.htm 996287 - Disclosure - Bank Loans - Summary of Bank Loans (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoansSummaryOfBankLoansDetails Bank Loans - Summary of Bank Loans (Details) Details 89 false false R90.htm 996297 - Disclosure - Bank Loans - Summary of Bank Loans (Parenthetical) (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoansSummaryOfBankLoansParentheticalDetails Bank Loans - Summary of Bank Loans (Parenthetical) (Details) Details 90 false false R91.htm 996307 - Disclosure - Bank Loans - Schedule of Aggregate Maturities of Loans (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoansScheduleOfAggregateMaturitiesOfLoansDetails Bank Loans - Schedule of Aggregate Maturities of Loans (Details) Details 91 false false R92.htm 996317 - Disclosure - Bank Loans - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureBankLoansAdditionalInformationDetails Bank Loans - Additional Information (Details) Details 92 false false R93.htm 996327 - Disclosure - Related Party Transactions and Balances - Schedule of Related Party Transactions and Balances (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAndBalancesScheduleOfRelatedPartyTransactionsAndBalancesDetails Related Party Transactions and Balances - Schedule of Related Party Transactions and Balances (Details) Details 93 false false R94.htm 996337 - Disclosure - Related Party Transactions and Balances - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAndBalancesAdditionalInformationDetails Related Party Transactions and Balances - Additional Information (Details) Details 94 false false R95.htm 996347 - Disclosure - Related Party Transactions and Balances - Summary of Significant Related Party Balances (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureRelatedPartyTransactionsAndBalancesSummaryOfSignificantRelatedPartyBalancesDetails Related Party Transactions and Balances - Summary of Significant Related Party Balances (Details) Details 95 false false R96.htm 996357 - Disclosure - Accounts Payable and Accrued Liabilities - Schedule of Accounts Payable and Accrued Liabilities (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureAccountsPayableAndAccruedLiabilitiesScheduleOfAccountsPayableAndAccruedLiabilitiesDetails Accounts Payable and Accrued Liabilities - Schedule of Accounts Payable and Accrued Liabilities (Details) Details 96 false false R97.htm 996367 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 97 false false R98.htm 996377 - Disclosure - Income Taxes - Schedule of Income Before Income Tax (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfIncomeBeforeIncomeTaxDetails Income Taxes - Schedule of Income Before Income Tax (Details) Details 98 false false R99.htm 996387 - Disclosure - Income Taxes - Schedule of Company's Income Taxes (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfCompanySIncomeTaxesDetails Income Taxes - Schedule of Company's Income Taxes (Details) Details 99 false false R100.htm 996397 - Disclosure - Income Taxes - Schedule of Income Before Income Taxes (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfIncomeBeforeIncomeTaxesDetails Income Taxes - Schedule of Income Before Income Taxes (Details) Details 100 false false R101.htm 996407 - Disclosure - Income Taxes - Schedule Company's Deferred Tax Assets and Liabilities (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureIncomeTaxesScheduleCompanysDeferredTaxAssetsAndLiabilitiesDetails Income Taxes - Schedule Company's Deferred Tax Assets and Liabilities (Details) Details 101 false false R102.htm 996417 - Disclosure - Income Taxes - Schedule of Changes in Unrecognized Tax Benefits (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfChangesInUnrecognizedTaxBenefitsDetails Income Taxes - Schedule of Changes in Unrecognized Tax Benefits (Details) Details 102 false false R103.htm 996427 - Disclosure - Sales - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSalesAdditionalInformationDetails Sales - Additional Information (Details) Details 103 false false R104.htm 996437 - Disclosure - Sales - Schedule of Revenues by Market Type (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSalesScheduleOfRevenuesByMarketTypeDetails Sales - Schedule of Revenues by Market Type (Details) Details 104 false false R105.htm 996447 - Disclosure - Sales - Schedule of Current Deferred Revenue (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSalesScheduleOfCurrentDeferredRevenueDetails Sales - Schedule of Current Deferred Revenue (Details) Details 105 false false R106.htm 996457 - Disclosure - Deferred Government Grants - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureDeferredGovernmentGrantsAdditionalInformationDetails Deferred Government Grants - Additional Information (Details) Details 106 false false R107.htm 996467 - Disclosure - Deferred Government Grants - Summary of Deferred Government Grants (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureDeferredGovernmentGrantsSummaryOfDeferredGovernmentGrantsDetails Deferred Government Grants - Summary of Deferred Government Grants (Details) Details 107 false false R108.htm 996477 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 108 false false R109.htm 996487 - Disclosure - Common Stock - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCommonStockAdditionalInformationDetails Common Stock - Additional Information (Details) Details 109 false false R110.htm 996497 - Disclosure - Stock Options - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureStockOptionsAdditionalInformationDetails Stock Options - Additional Information (Details) Details 110 false false R111.htm 996527 - Disclosure - Statutory Surplus Reserves - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureStatutorySurplusReservesAdditionalInformationDetails Statutory Surplus Reserves - Additional Information (Details) Details 111 false false R112.htm 996537 - Disclosure - Dividends - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureDividendsAdditionalInformationDetails Dividends - Additional Information (Details) Details 112 false false R113.htm 996547 - Disclosure - Earnings (Loss) per Share - Schedule of Computation of Basic and Diluted Income Attributable to Shareholders (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShareScheduleOfComputationOfBasicAndDilutedIncomeAttributableToShareholdersDetails Earnings (Loss) per Share - Schedule of Computation of Basic and Diluted Income Attributable to Shareholders (Details) Details http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShareTables 113 false false R114.htm 996557 - Disclosure - Earnings (Loss) per Share - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShareAdditionalInformationDetails Earnings (Loss) per Share - Additional Information (Details) Details http://www.sinovac.com/20251231/taxonomy/role/DisclosureEarningsLossPerShareTables 114 false false R115.htm 996567 - Disclosure - Segment Information - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSegmentInformationAdditionalInformationDetails Segment Information - Additional Information (Details) Details 115 false false R116.htm 996577 - Disclosure - Segment Information - Summarizes of Significant Expenses (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSegmentInformationSummarizesOfSignificantExpensesDetails Segment Information - Summarizes of Significant Expenses (Details) Details 116 false false R117.htm 996587 - Disclosure - Segment Information - Schedule of Total Assets by Geographic Area (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfTotalAssetsByGeographicAreaDetails Segment Information - Schedule of Total Assets by Geographic Area (Details) Details 117 false false R118.htm 996597 - Disclosure - Segment Information - Schedule of Revenues are Attributed to Geographic Locations (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfRevenuesAreAttributedToGeographicLocationsDetails Segment Information - Schedule of Revenues are Attributed to Geographic Locations (Details) Details 118 false false R119.htm 996607 - Disclosure - Collaboration Agreements - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCollaborationAgreementsAdditionalInformationDetails Collaboration Agreements - Additional Information (Details) Details 119 false false R120.htm 996617 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 120 false false R121.htm 996627 - Disclosure - Condensed Financial Information of the Parent Company - Schedule of Balance Sheets (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCondensedFinancialInformationOfParentCompanyScheduleOfBalanceSheetsDetails Condensed Financial Information of the Parent Company - Schedule of Balance Sheets (Details) Details 121 false false R122.htm 996637 - Disclosure - Condensed Financial Information of the Parent Company - Schedule of Statements of Operations and Comprehensive Income (Loss) (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCondensedFinancialInformationOfTheParentCompanyScheduleOfStatementsOfOperationsAndComprehensiveIncomeLossDetails Condensed Financial Information of the Parent Company - Schedule of Statements of Operations and Comprehensive Income (Loss) (Details) Details 122 false false R123.htm 996657 - Disclosure - Condensed Financial Information of the Parent Company - Schedule of Statements of Comprehensive Income (Parenthetical) (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCondensedFinancialInformationOfTheParentCompanyScheduleOfStatementsOfComprehensiveIncomeParentheticalDetails Condensed Financial Information of the Parent Company - Schedule of Statements of Comprehensive Income (Parenthetical) (Details) Details 123 false false R124.htm 996667 - Disclosure - Condensed Financial Information of the Parent Company - Schedule of Statements of Cash Flows (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/Role_DisclosureCondensedFinancialInformationOfParentCompanyScheduleOfStatementsOfCashFlowsDetails Condensed Financial Information of the Parent Company - Schedule of Statements of Cash Flows (Details) Details 124 false false R125.htm 996677 - Disclosure - Condensed Financial Information of the Parent Company - Additional Information (Details) Sheet http://www.sinovac.com/20251231/taxonomy/role/DisclosureCondensedFinancialInformationOfTheParentCompanyAdditionalInformationDetails Condensed Financial Information of the Parent Company - Additional Information (Details) Details 125 false false All Reports Book All Reports sva-20251231.htm sva-20251231.xsd img112419266_0.jpg img112419266_1.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/cyd/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false