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us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Less: Imputed interest Long-term operating lease liabilities us-gaap_OperatingLeaseLiability Total operating lease liabilities Total lease liabilities us-gaap_OtherAccruedLiabilitiesCurrent Other Short-term operating lease liabilities Operating lease liabilities, current portion Accounts Receivable [Member] Proceeds received from divestiture of business Proceeds from Divestiture of Businesses Concentration Risk Type [Domain] Accrued workers' compensation insurance Long-term debt, net of debt issuance costs us-gaap_LongTermDebt Long-term debt Intangible Asset, Finite-Lived, Class [Axis] Statement of Stockholders' Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Statement of Cash Flows [Abstract] Statutory Accounting Practices [Table] Equity Components [Axis] us-gaap_IncreaseDecreaseInOperatingLeaseLiability Increase (Decrease) in Operating Lease Liability Cash received from exercise of stock options Equity 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stock award agreements Geographic Concentration Risk [Member] us-gaap_AssetsCurrent Total current assets us-gaap_GrossProfit Gross profit Goodwill [Table] Adjustments to previously recorded goodwill us-gaap_GoodwillPurchaseAccountingAdjustments Debt Instrument, Name [Domain] us-gaap_DebtInstrumentMaturityDate Debt Instrument, Maturity Date Shares issued for exercise of stock options (in shares) us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited Forfeiture of shares of common stock under restricted stock award agreements (in shares) us-gaap_DebtInstrumentInterestRateEffectivePercentage Debt Instrument, Interest Rate, Effective Percentage us-gaap_IncomeLossAttributableToParent Income before income taxes Issuance of shares of common stock under restricted stock award agreements (in shares) Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] Cash flows from operating activities: us-gaap_GovernmentAssistanceOperatingExpense Government Assistance, Operating Expense, Decrease (Increase) Cash flows from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash provided by operating activities Cash flows from financing activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities State Licenses [Member] Represents state licenses. us-gaap_PaymentsOfDebtIssuanceCosts Payments for debt issuance costs under the credit facility us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash used in financing activities us-gaap_GovernmentAssistanceOperatingExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration Government Assistance, Operating Expense, Decrease (Increase), Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Segments [Member] Accounting Policies [Abstract] Segments [Domain] Segment Reporting, Entity-Wide Information Not Provided as Part 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Income Statement [Abstract] Government stimulus advances Government Assistance, Liability, Current us-gaap_GovernmentAssistanceLiabilityIncreaseCurrent Government Assistance, Liability, Increase, Current us-gaap_NumberOfOperatingSegments Number of Operating Segments us-gaap_NumberOfReportableSegments Number of Reportable Segments Deferred income taxes Net income Net income Net income Amortization of debt issuance costs under the credit facility us-gaap_AmortizationOfIntangibleAssets Intangible Asset, Finite-Lived, Amortization Expense Income Tax Disclosure [Text Block] Restricted Stock [Member] Accounting Standards Update and Change in Accounting Principle [Table] Interest Income, Loans to Other Federal Home Loan Banks Supplemental Balance Sheet Disclosures [Text Block] us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1 Intangible Asset, Finite-Lived, Remaining Amortization Period (Year) us-gaap_RepaymentsOfLinesOfCredit Repayments of Lines of Credit Payments on revolver — credit facility Statement of Financial Position [Abstract] us-gaap_LiabilitiesNoncurrent Total long-term liabilities Cash paid (refunded) for income taxes Noncompete Agreements [Member] Income tax receivable Long-term liabilities adus_IncreaseDecreaseInOperatingLeaseRightofuseAsset Increase (Decrease) in Operating Lease Right-of-use Asset The amount of increase (decrease) in operating lease right-of-use asset. HomeCourt Acquisition [Member] Related to HomeCourt Acquisition. us-gaap_OtherAssetsNoncurrent Total other assets Document Type Document Information [Line Items] Document Quarterly Report us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage Weighted average remaining lease term (Year) Document Information [Table] Stock options, Anti-dilutive (in shares) us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Stock options (in shares) Entity Interactive Data Current Document Transition Report Diluted (in shares) us-gaap_OperatingExpenses Total operating expenses Net income per common share Intangible Asset, Indefinite-Lived, Class [Domain] Basic (in shares) Basic income per share (in dollars per share) Intangible Asset, Indefinite-Lived, Class [Axis] Effective Income Tax Rate Reconciliation [Table] Title and Position [Domain] Heather Brianne Dixon [Member] Heather Brianne Dixon Earnings Per Share, Policy [Policy Text Block] Intangibles, net of accumulated amortization Total intangible assets Additions for acquisitions us-gaap_GoodwillAcquiredDuringPeriod Finite-Lived Intangible Assets, Net Document Fiscal Period Focus Customer [Domain] Finite-Lived Intangible Assets, Gross Document Fiscal Year Focus Depreciation and amortization Depreciation and amortization Amendment Flag us-gaap_SubleaseIncome Less: sublease income Common Stock [Member] Indefinite-Lived Intangible Assets (Excluding Goodwill), Gross Goodwill Goodwill, Balance Goodwill, Balance Document Period End Date Legal Entity [Axis] Operating lease costs Short-term lease costs us-gaap_LeaseCost Total lease costs, net Business Combination [Domain] Entity File Number Entity Tax Identification Number Business Combination [Axis] Supplemental disclosures of cash flow information: Entity [Domain] Entity Central Index Key adus_PolicyTable Entity Registrant Name Entity Current Reporting Status Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Operating income Cash us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description us-gaap_SegmentReportingOtherItemAmount Other segment items 1 Interest expense Interest expense Entity Address, State or Province Entity Address, City or Town Retained earnings Entity Address, Address Line One Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] City Area Code Local Phone Number Entity Address, Postal Zip Code us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Government Assistance [Text Block] Accrued expenses and other long-term liabilities us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities Title of 12(b) Security Security Exchange Name Trading Symbol Class of Stock [Axis] Government Assistance [Table] Prime Rate [Member] Variable Rate [Axis] Variable Rate [Domain] Entity Common Stock, Shares Outstanding Chief Financial Officer [Member] Schedule Of Balance Sheet Information, Related To Operating Leases [Table Text Block] The entire tabular disclosure of balance sheet information related to operating leases. us-gaap_OtherAssetsCurrent Other (1) Chief Executive Officer [Member] Weighted average number of common shares and potential common shares outstanding: adus_DisposalGroupIncludingDiscontinuedOperationContingentConsiderationPercent Disposal Group, Including Discontinued Operation, Contingent Consideration, Percent The percentage amount of total consideration considered to be contingent-based in a disposal group. adus_DisposalGroupIncludingDiscontinuedOperationConsiderationReceivableDebt Disposal Group, Including Discontinued Operation, Consideration Receivable Debt Amount classified as consideration receivable debt attributable to disposal group held for sale or disposed of. adus_DivestureOfBusinessesConsiderationTransferredPercentage Divesture of Businesses, Consideration Transferred, Percentage The percentage of consideration transferred to trigger the divesture of the business. adus_DisposalGroupIncludingDiscontinuedOperationCashConsiderationPercent Disposal Group, Including Discontinued Operation, Cash Consideration, Percent The percentage amount of total consideration considered to be cash-based in a disposal group. adus_IncreaseDecreaseInGovernmentStimulusAdvances Government stimulus advances The amount of increase or decrease during the period to government stimulus advances. Personal Care [Member] Represents the personal care segment. Common stock, par value (in dollars per share) us-gaap_GainLossOnTerminationOfLease (Gain) loss on termination of operating leases Hospice [Member] Represents the hospice segment. New York Asset Sale [Member] Represents information pertaining to the New York asset sale. Capital One, National Association [Member] Represents the Capital One, National Association. adus_LeaseCostsBeforeSubleaseIncome Total lease costs The amount of lease cost before sublease income. adus_LineOfCreditNetLeverageRatio Line of Credit, Net Leverage Ratio Represents the line of credit, net leverage ratio. Federal Funds Rate [Member] Represents the Federal Funds rate. Home Health [Member] Represents the home health segment. Personal Care Segment [Member] Represents information pertaining to the personal care segment. us-gaap_Assets Total assets adus_LinesOfCreditOutstandingLimits Lines of Credit, Outstanding Limits The outstanding limits on the borrowings from the lines of credit. Geographical [Domain] adus_DebtInstrumentCovenantMaximusDistributionAmount Debt Instrument, Covenant, Maximus Distribution Amount The maximum distribution amount for the debt instrument covenant. Geographical [Axis] adus_DebtInstrumentLeverageRatioFeePercent Debt Instrument, Leverage Ratio Fee, Percent Represents the leverage ratio fee percentage for the debt instrument. Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Credit Agreement [Member] Represents the credit agreement. Prepaid licensing fees The amount related to the prepaid licensing fees classified as current. Prepaid workers' compensation and liability insurance The amount of prepaid workers' compensation and liability insurance classified as current. Workers' compensation insurance receivable The amount of worker's compensation insurance receivable classified as current. Diluted income per share (in dollars per share) Prepaid payroll The amount of prepaid payroll classified as current. Other [Member] Represents information pertaining to other. us-gaap_OtherSellingGeneralAndAdministrativeExpense Other general and administrative expenses Commercial Insurance [Member] Represents information pertaining to commercial insurance. Customer [Axis] Schedule of Other Current Assets [Table Text Block] Medicare [Member] Represents information pertaining to Medicare. us-gaap_PaymentsToAcquireBusinessesGross Payments to Acquire Businesses, Gross Hospice Segment [Member] Represents information pertaining to the hospice segment. State, Local, and Other Governmental Programs [Member] Represents information pertaining to state, local, and other government programs. Illinois Department on Aging [Member] Relating to Illinois Department on Aging. Private Pay [Member] Represents information pertaining to a payor who uses private pay. us-gaap_DepreciationDepletionAndAmortization Depreciation and amortization Managed Care Organizations [Member] Represents information pertaining to managed care organizations. R. Dirk Allison [Member] Represents information pertaining to R. Dirk Allison. Michael Wattenbarger [Member] Represents information pertaining to Michael Wattenbarger. Darby Anderson [Member] Represents information pertaining to Darby Anderson. State, Local, and Other Governmental Programs (Excluding Medicare) [Member] Represents information pertaining to state, local, and other governmental programs (excluding Medicare). Home Health Segment [Member] Represents information pertaining to the Home Health segment. Roberton Stevenson [Member] Represents information pertaining to Roberton Stevenson. All Other States [Member] Represents information pertaining to all other states. David Tucker [Member] Represents information pertaining to David Tucker. Brian Poff [Member] Represents information pertaining to Brian Poff. Cliff Blessing [Member] Represents information pertaining to Cliff Blessing. Sean Gaffney [Member] Represents information pertaining to Sean Gaffney. Monica Raines [Member] Represents information pertaining to Monica Raines. Disposal Group Name [Domain] us-gaap_InvestmentIncomeInterest Interest income Interest income Cash paid for interest Schedule of Long-Term Debt Instruments [Table Text Block] Individual [Axis] Intangible Asset, Finite-Lived [Table Text Block] Intangible Asset, Finite-Lived [Table] Disposal Groups, Including Discontinued Operations [Table] All Individuals [Member] Disposal Group Name [Axis] us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration Disposal Group, Including Discontinued Operation, Consideration us-gaap_StockholdersEquity Total stockholders' equity Balance Balance Goodwill [Table Text Block] Health Care Organization, Revenue Sources [Domain] Health Care Organization, Revenue Sources [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Operating lease assets, net Other long-term liabilities ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Net service revenues Net service revenues ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag]