Equity [Abstract] Nonvested Stock Activity Schedule of Nonvested Share Activity [Table Text Block] Shares of Common Stock Issued During 2016 Under Employee Stock Purchase Plan Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Subsequent Event [Abstract] Subsequent Event [Abstract] Payments to Acquire Additional Interest in Subsidiaries Payments to Acquire Additional Interest in Subsidiaries Acquired Noncontrolling Interest Redeemable Acquired Noncontrolling Interest Redeemable Acquired Noncontrolling Interest Redeemable Income Statement [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Health Care Organization, Revenue Sources [Axis] Health Care Organization, Revenue Sources [Axis] Health Care Organization, Revenue Sources [Domain] Health Care Organization, Revenue Sources [Domain] Home Health Medicare Home Health Medicare [Member] [Domain] [Domain] for Home Health Medicare [Member] [Axis] Hospice Medicare Hospice Medicare [Member] [Domain] Hospice Medicare [Member] [Domain] Community Based Services Medicaid Community Based Services Medicaid [Member] [Domain] Community Based Services Medicaid [Member] [Domain] Facility-Based Medicare revenue Facility-based Services Medicare [Member] [Domain] Facility-based Services Medicare [Member] [Domain] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Home health services Home health services [Member] Home health services [Member] Hospice services Hospice Entity [Member] Hospice entity. Home and community-based services Community-Based Services [Member] Community-Based Services [Member] Facility-based services Facility Based Services [Member] Facility Based Services [Member] HCI Healthcare Innovations [Member] Healthcare Innovations [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenue By Payor Revenue By Payor Percentage of net service revenue by payor category. Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] Net service revenue Health Care Organization, Patient Service Revenue Cost of service revenue Cost of Services General and administrative expenses General and Administrative Expense Operating income Operating Income (Loss) Interest expense Interest Expense Income before income taxes and noncontrolling interest Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less net income (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to LHC Group, Inc.’s common stockholders Net Income (Loss) Available to Common Stockholders, Basic Total assets Assets Document Fiscal Year Focus Document Fiscal Year Focus Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Other Assets, Amount From Government Payors Other Assets, Amount From Government Payors Other Assets, Amount From Government Payors Period of joint venture buy/sell option Joint Venture Buy Sell Option Period Time frame in which the other joint venture party must either purchase all of the exercising member's membership interests or sell to the exercising member all of the non-exercising member's membership interests in the exercise of a joint venture buy/sell option. Operating Cash Flows, Direct Method [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction Stock-based compensation expense Share-based Compensation Deferred income taxes Deferred Income Tax Expense (Benefit) (Loss) gain on disposal of assets Gain (Loss) on Disposition of Property Plant Equipment Impairment of intangibles and other Goodwill and Intangible Asset Impairment Changes in operating assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Accounts Receivable Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Prepaid income taxes Increase (Decrease) in Prepaid Taxes Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Income taxes payable Increase (Decrease) in Accrued Taxes Payable Net amounts due to/from governmental entities Increase Decrease In Net Amounts Due To From Governmental Entities Increase (decrease) in net amounts due to/from governmental entities based on activity from annual reports. Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property, building and equipment Payments to Acquire Property, Plant, and Equipment Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Cash acquired from business combination, net of cash paid Payments to Acquire Businesses, Gross Advanced payments on acquisitions Other Payments to Acquire Businesses Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from line of credit Proceeds from Lines of Credit Payments on line of credit Repayments of Lines of Credit Proceeds from employee stock purchase plan Proceeds from Stock Plans Payments on debt Proceeds from (Repayments of) Notes Payable Payments on deferred financing fees Payments of Financing Costs Noncontrolling interest distributions Payments of Ordinary Dividends, Noncontrolling Interest Withholding taxes paid on stock-based compensation Payments Related to Tax Withholding for Share-based Compensation Purchase of additional controlling interest Payments to Noncontrolling Interests Sale of noncontrolling interest Proceeds from Noncontrolling Interests Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Change in cash Cash and Cash Equivalents, Period Increase (Decrease) Cash at beginning of period Cash Cash at end of period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Net Income taxes paid Income Taxes Paid, Net Accounting Policies [Abstract] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Home Health Medicaid Home Health Medicaid [Member] [Domain] Home Health Medicaid [Member] [Domain] Home Health Other Payor Home Health Other Payor [Member] [Domain] Home Health Other Payor [Member] [Domain] Hospice Medicaid Hospice Medicaid [Member] [Domain] Hospice Medicaid [Member] [Domain] Hospice Other Payor Hospice Other Payor [Member] [Domain] Hospice Other Payor [Member] [Domain] Community Based Services Other Payor Community Based Services Other Payor [Member] [Domain] Community Based Services Other Payor [Member] [Domain] Facility-Based Medicaid revenue Facility-Based Services Medicaid [Member] [Domain] Facility-based Services Medicaid [Member] [Domain] Facility-Based Managed Care, commercial, and other revenue Facility-based Services Other Payor [Member] [Domain] Facility-based Services Other Payor [Member] [Domain] Healthcare Innovations Medicare Healthcare Innovations Medicare[Member] [Domain] Healthcare Innovations Medicare[Member] [Domain] Healthcare Innovations Medicaid Healthcare Innovations Medicaid [Member] [Domain] Healthcare Innovations Medicaid [Member] [Domain] Healthcare Innovations Other Payor Healthcare Innovations Other Payor [Member] [Domain] Healthcare Innovations Other Payor [Member] [Domain] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Common stock, authorized Common Stock, Shares Authorized Percentage equity ownership, license Leasing Arrangements Percentage Equity Ownership, License Leasing Arrangements Percentage ownership in the equity of subsidiaries through license leasing arrangements at the balance sheet date. Number of Medicare home health resource groups Number Of Medicare Home Health Resource Groups Number of Medicare home health resource groups. Number of days from date RAP paid to submit final Medicare bill Delivering Period For Prospective Medicare Payment Number of days delivering for prospective Medicare payment. Medicare sequestration reduction for episodes beginning after March 31, 2013 Sequestration Adjustment Automatic Medicare reimbursement reduction for episodes beginning after March 31, 2013. Low utilization adjustment visits Minimum Number Of Visits For Low Utilization Adjustment Number of visits at which low utilization adjustment is no longer applicable. Selected hospice, periodic rate used to calculate revenue Selected Hospice, Periodic Rate Used to Calculate Revenue Selected Hospice, Periodic Rate Used to Calculate Revenue Number of hospice, periodic rates used to calculate revenue Number of Hospice, Periodic Rates Used to Calculate Revenue Number of Hospice, Periodic Rates Used to Calculate Revenue Minimum percentage of Medicare reimbursement from inpatient care services that subjects individual programs to inpatient cap Percentage Subject To Inpatient Cap Minimum percentage of Medicare reimbursement from inpatient care services that subjects individual programs to inpatient cap. Determination period for hospice Medicare inpatient reimbursement cap Determination Period For Hospice Medicare Inpatient Reimbursement Cap Determination period ending October 31 of each year for hospice Medicare inpatient reimbursement cap. Medicare credit risk for accounts receivable Medicare Credit Risk For Accounts Receivable Percentage of patient accounts receivable attributable to Medicare at balance sheet date. Reimbursement for initial episode of care Reimbursement For Initial Episode Of Care Percentage of estimated reimbursement submitted on RAP for initial episode at start of care. Number of days from start of episode to submit final Medicare bill Period From Start Of Episode To Submit Final Medicare Bill Number of days from start of episode to submit final Medicare bill. Reimbursement for subsequent episodes of care Reimbursement For Subsequent Episodes Of Care Percentage of estimated reimbursement submitted on RAP for subsequent episodes of care contiguous with the first episode for a particular patient. Business Combinations [Abstract] Mergers, Acquisitions and Dispositions Disclosures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Critical Accounting Policies Critical Accounting Policies Policy [Policy Text Block] Disclosure of critical accounting policies. Principles of Consolidation Consolidation, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Accounts Receivable and Allowances for Uncollectible Accounts Receivables, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Summary of the Consideration Transferred in Connection with the Merger Business Combination, Separately Recognized Transactions [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Incentive Plan Type [Axis] Incentive Plan Type [Axis] Incentive Plan Type [Axis] Incentive Plan Type [Domain] Incentive Plan Type [Domain] [Domain] for Incentive Plan Type [Axis] 2018 Long-Term Incentive Plan 2018 Long-Term Incentive Plan [Member] 2018 Long-Term Incentive Plan [Member] 2010 Long-Term Incentive Plan 2010 Long-Term Incentive Plan [Member] [Member] 2010 Long-Term Incentive Plan [Member] [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Director Director [Member] Employee Employee [Member] Employee [Member] AFAM Options AFAM Options [Member] AFAM Options [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Common stock reserved and available for issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Document Period End Date Document Period End Date Nonvested stock grants to Independent directors Nonvested Stock Grants To Independent Directors Number of shares issued during the period to independent directors. Percentage of directors' stock grant vested on one year anniversary date Percentage Of Directors Stock Grant Vested On One Year Anniversary Date Percentage of directors stock grant vested on one year anniversary date. Director Period of Vested Shares Vesting Of Share Completion Of One Year Period which the shares issued to independent directors fully vest. Nonvested stock grants to employees Nonvested Stock Grants To Employees Number of shares issued during the period to employees related to Restricted stock awards. Employee Period of Vested Shares Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Granted, Weighted average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Total unrecognized compensation cost related to nonvested shares of common stock granted Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted average period of cost recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Compensation expense related to nonvested stock grants Employee Benefits and Share-based Compensation Price of shares issued under Employee Stock Purchase Plan as a percentage of FMV Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Number of shares reserved for the Employee Stock Purchase Plan Number Of Shares Reserved For Employee Stock Purchase Plan Number of shares reserved for the Employee Stock Purchase Plan. Additional shares authorized for issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Shares redeemed to satisfy personal tax obligations Shares Paid for Tax Withholding for Share Based Compensation Treasury shares redeemed to pay income tax Adjustments Related to Tax Withholding for Share-based Compensation Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Nonvested shares outstanding, Number of Shares, Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Nonvested shares outstanding, Number of Shares, Ending Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Nonvested shares outstanding, Weighted average grant date fair value, Beginning Balance (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Vested, Weighted average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Nonvested shares outstanding, Weighted average grant date fair value, Ending Balance (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] Nonvested shares outstanding, Number of shares, Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Granted, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Acquired, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Vested or exerccised, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Nonvested shares outstanding, Number of shares, Ending Balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Nonvested shares outstanding, Weighted average grant date fair value, Beginning Balance (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value Granted, Nonvested shares outstanding, Weighted average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Acquired, Weighted average grant date fair value (in usd per share) Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value, Acquired Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value, Acquired Vested or exercised, Weighted average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Nonvested shares outstanding, Weighted average grant date fair value, Ending Balance (in usd per share) Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trade names Trade Names [Member] Certificates of need/licenses Certificate Of Need and Licenses [Member] Certificate Of Need and Licenses [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Nason Home Health And First Choice Home Health Care Nason Home Health And First Choice Home Health Care [Member] Nason Home Health And First Choice Home Health Care [Member] Preliminary merger consideration Business Acquisition [Line Items] Preliminary merger consideration Business Combination, Consideration Transferred Cash paid to for acquisitions Goodwill Goodwill Indefinite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Acquired nonontrolling interest Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Non Controlling Interest Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Non Controlling Interest Proceeds for sale of ownership interest Proceeds from Divestiture of Businesses Reduction of APIC due to sale of ownership interests Additional paid in capital decrease due to sale of noncontrolling interests Additional paid in capital decrease due to sale of noncontrolling interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Shares available, Beginning balance Shares Available Under Employee Stock Purchase Plan Shares available under employee stock purchase plan. Shares issued during period (shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Shares available, Ending Balance Shares issued during period (per share price) Price Of Share Issued Under Employee Stock Purchase Plan Weighted average per share price for shares issued during the period as a result of the employee stock purchase plan. Income Tax Disclosure [Abstract] Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Excess tax benefits associated with stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Payments for Merger Related Costs Payments for Merger Related Costs Unrecognized Tax Benefits Unrecognized Tax Benefits Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Calculated under Revenue Guidance in Effect before Topic 606 Calculated under Revenue Guidance in Effect before Topic 606 [Member] Difference between Revenue Guidance in Effect before and after Topic 606 Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Patient accounts receivable Accounts Receivable, Net Allowance for uncollectible accounts Allowance for Doubtful Accounts Receivable Provision for bad debts Health Care Organization, Patient Service Revenue Provision for Bad Debts Net income attributable to LHC Group, Inc.'s common stockholders Receivables Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] PriorCreditFacility [Axis] PriorCreditFacility [Axis] PriorCreditFacility [Axis] PriorCreditFacility [Domain] PriorCreditFacility [Domain] [Domain] for PriorCreditFacility [Axis] Almost Family Almost Family [Member] [Member] Almost Family [Member] [Member] LHC Group LHC Group [Member] LHC Group [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Eurodollar Eurodollar [Member] Base rate Base Rate [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of credit facility drawn Long-term Line of Credit, Noncurrent Letter of credit outstanding Letters of Credit Outstanding, Amount Line of credit facility interest rate Debt Instrument, Basis Spread on Variable Rate Interest rate percentage Debt Instrument, Interest Rate, Effective Percentage Available credit under agreement Line of Credit Facility, Remaining Borrowing Capacity Credit facility maximum borrowing capacity under accordion feature LineOfCreditFacilityMaximumBorrowingCapacityUnderAccordionFeature LineOfCreditFacilityMaximumBorrowingCapacityUnderAccordionFeature Letter of credit, sub-limit amount Letters Of Credit Sublimit Letters Of Credit Sublimit Line of Credit Facility, Expiration Date Line of Credit Facility, Expiration Date Debt Related Commitment Fees and Debt Issuance Costs Debt Related Commitment Fees and Debt Issuance Costs Line of credit facility, borrowing outstanding Number Of Outstanding Debt Instrument Maximum number of SwingLine loans the Company can have outstanding at the same time. Line of credit facility, description Debt Instrument, Description of Variable Rate Basis Commitment fee rates for unused commitments Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Credit facility, borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Equity joint ventures Equity Joint Ventures [Member] Equity Joint Ventures [Member] Other Management Services [Member] Management Services [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Wholly-owned subsidiaries Subsidiaries [Member] Health Care Organization, Revenue [Abstract] Health Care Organization, Revenue [Abstract] Percentage of net service revenue Revenue By Ownership Type Percentage of net service revenue by ownership type. Statement of Stockholders' Equity [Abstract] Net income attributable to noncontrolling interest-redeemable Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Significant Accounting Policies Significant Accounting Policies [Text Block] Acquisitions and Joint Ventures Business Combination Disclosure [Text Block] Revenue Recognition and Deferred Revenue [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Allowance for uncollectible accounts Noncontrolling Interest [Abstract] Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] Noncontrolling interest-redeemable, Beginning balance Redeemable Noncontrolling Interest, Equity, Carrying Amount Noncontrolling interest-redeemable distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling interest-redeemable, Ending balance Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Changes in Recorded Goodwill by Reporting Unit Schedule of Goodwill [Table Text Block] Summary of Changes in Intangible Assets Schedule Of Acquired Finite And Indefinite Lived Intangible Assets By Major Class Table [Table Text Block] Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance arranged by finite life and indefinite life category, by either major class or business segment. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Trade name Other identifiable intangible assets Other Identifiable Intangible Assets [Member] Other identifiable intangible assets. Almost Family Almost Family [Member] Almost Family [Member] Stock Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Preliminary fair value of total consideration transferred Business Combination, Consideration Transferred [Abstract] Recognized amounts of identifiable assets acquired and liabilities assumed: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Patient accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Prepaid income taxes Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Prepaid Income Taxes Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Prepaid Income Taxes Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Assets held for sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets Held For Sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets Held For Sale Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Accrued other liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Liabilities, Other Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Liabilities, Other Deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Seller notes payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed,Sellers Notes Payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed,Sellers Notes Payable NCI- Redeemable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, NCI Redeemable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, NCI Redeemable Long term income taxes payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unrecognized Tax Position Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unrecognized Tax Position Line of credit Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Line Of Credit Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Line Of Credit NCI- Nonredeemable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, NCI, Nonredeemable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, NCI, Nonredeemable Other assets and (liabilities), net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Total identifiable assets and liabilities Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Preliminary goodwill Schedule Of Finite And Infinite Lived Intangible Assets [Table] Schedule Of Finite And Infinite Lived Intangible Assets [Table] Schedule Of Finite And Infinite Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships Customer Relationships [Member] Non-compete agreements Noncompete Agreements [Member] Certificates of need/licenses Licensing Agreements [Member] Finite And Infinite Lived Intangible Assets [Line Items] Finite And Infinite Lived Intangible Assets [Line Items] Finite And Infinite Lived Intangible Assets [Line Items] Indefinite-lived assets, carrying amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Definite-lived assets, gross carrying amount Finite-Lived Intangible Assets, Gross Finite-lived Intangible Assets Acquired Finite-lived Intangible Assets Acquired Indefinite-lived Intangible Assets Acquired Indefinite-lived Intangible Assets Acquired Amortization expense of definite lived assets Amortization expense of definite lived intangible assets Amortization expense of definite lived intangible assets Indefinite-lived Intangible Assets, Period Increase (Decrease) Indefinite-lived Intangible Assets, Period Increase (Decrease) Definite-lived assets, net carrying amount Finite-Lived Intangible Assets, Net Noncontrolling interest Noncontrolling Interest Disclosure [Text Block] Outstanding shares of Almost Family common stock as of April 1, 2018 Outstanding shares of Almost Family Outstanding shares of Almost Family Exchange ratio Exchange ratio for business combination Exchange ratio for business combination Shares of the Company issued Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Price per share as of April 1, 2018 Shares Issued, Price Per Share Fair value of the Compnay common stock issued Stock Issued During Period, Value, Acquisitions Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value (in usd per share) Stock Issued During Period, Value, AFAM Equity Award Exchange Stock Issued During Period, Value, AFAM Equity Award Exchange Preliminary merger consideration Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash Receivables: Receivables, Net, Current [Abstract] Patient accounts receivable, net Accounts Receivable, Net, Current Other receivables Other Receivables Amounts due from governmental entities Amounts Due From Governmental Entities Amounts expected to be reimbursed by governmental entities based on annual reports filed at the balance sheet date. Total receivables Receivables, Net, Current Prepaid income taxes Prepaid Taxes Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Total current assets Assets, Current Property, building and equipment, net of accumulated depreciation of $49,173 and $43,565, respectively Property, Plant and Equipment, Net Intangible assets, net of accumulated amortization of $14,094 and $13,041, respectively Intangible Assets, Net (Excluding Goodwill) Assets Held-for-sale Assets Held-for-sale, Not Part of Disposal Group Other assets Other Assets, Noncurrent Total assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable and other accrued liabilities Accounts Payable and Other Accrued Liabilities, Current Salaries, wages, and benefits payable Employee-related Liabilities, Current Self-insurance reserve Self Insurance Reserve, Current Current portion of long-term debt Long-term Debt, Current Maturities Amounts due to governmental entities Amounts Due To Governmental Entities Amounts to be paid to governmental entities for payments received in excess of hospice cap limits and prior year costs report settlements. Total current liabilities Liabilities, Current Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Revolving credit facility Notes Payable, Noncurrent Notes Payable, Noncurrent Income taxes payable Unrecognized Tax Benefits that Would Impact Effective Tax Rate Total liabilities Liabilities Noncontrolling interest — redeemable Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] LHC Group, Inc. stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred Stock --- $0.01 par value; 5,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Outstanding Common stock --- $0.01 par value; 60,000,000 and 40,000,000 shares authorized in 2018 and 2017, respectively; 35,592,424 and 22,640,046 shares issued in 2018 and 2017, respectively Common Stock, Value, Outstanding Treasury stock --- 4,953,665 and 4,890,504 shares at cost, respectively Treasury Stock, Value Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Total LHC Group, Inc. stockholders’ equity Stockholders' Equity Attributable to Parent Noncontrolling interest — non-redeemable Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Percentage of Net Service Revenue Earned by Type of Ownership or Relationship with Operating Entity Schedule Of Service Revenue Earned By Type Of Ownership Or Relationship With Operating Entity Table [Table Text Block] Tabular disclosure of the percentage of net service revenue earned by type of ownership or relationship with operating entity. Percentage of Net Service Revenue Earned by Category of Payor Tabular Disclosure Of Percentage Of Net Service Revenue Earned By Category Of Payor Table [Table Text Block] Tabular disclosure of percentage of net service revenue earned by category of payor. Shares Used in Computation of Basic and Diluted Per Share Information Schedule of Weighted Average Number of Shares [Table Text Block] Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Debt Debt Disclosure [Text Block] Stockholder's Equity Stockholders' Equity Note Disclosure [Text Block] Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of shares outstanding for basic per share calculation Weighted Average Number of Shares Outstanding, Basic Effect of dilutive potential shares: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Nonvested stock Nonvested Stock Awards Nonvested stock awards. Adjusted weighted average shares for diluted per share calculation Weighted Average Number of Shares Outstanding, Diluted Anti-dilutive shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Hospice Services Community-based services Healthcare Innovations Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Estimated useful life Finite-Lived Intangible Asset, Useful Life Intangible assets, net carrying amount Property, building and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, issued Common Stock, Shares, Issued Treasury stock at cost, shares Treasury Stock, Shares Preferred Stock, par value Preferred Stock, Par or Stated Value Per Share Preferred Stock, shares authorized Preferred Stock, Shares Authorized Preferred Stock, shares issued Preferred Stock, Shares Issued Preferred Stock, shares outstanding Preferred Stock, Shares Outstanding Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Treasury Stock Treasury Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Noncontrolling Interest Non Redeemable Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Beginning balance, Amount Beginning balance, Shares Shares, Issued Beginning balance, Treasury Shares Net income Equity Profit Loss The consolidated profit or loss for the period, net of income taxes, excluding the portion attributable to noncontrolling interest - redeemable shown in the mezzanine section of the balance sheet. Acquired noncontrolling interest Noncontrolling Interest, Increase from Business Combination Noncontrolling Interest Distributions Noncontrolling Interest Distributions Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. This amount excludes payments to non-controlling interest redeemable. Sale of noncontrolling interest Noncontrolling Interest, Increase from Sale of Parent Equity Interest Nonvested stock compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition Issuance of vested stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Issuance of vested stock, Shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Treasury shares redeemed to pay income tax Stock Issued During Period, Value, Acquisitions Stock Issued During Period, Shares, Acquisitions Stock Issued During Period, Shares, Acquisitions Adjustments to Additional Paid in Capital, Other Adjustments to Additional Paid in Capital, Other Treasury shares redeemed to pay income tax, Shares Issuance of common stock under Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock under Employee Stock Purchase Plan, Shares Ending balance, Amount Ending balance, Shares Ending balance, Treasury Shares Number of service providers operated Number Of Service Providers The number of locations the entity operates as of the balance sheet date. Number of states in which Company operates Number of States in which Entity Operates Goodwill and Intangibles Goodwill and Intangible Assets Disclosure [Text Block] Goodwill And Other Intangible Assets [Table] Goodwill And Other Intangible Assets [Table] Goodwill And Other Intangible Assets [Table] Home health reporting unit Home Health Reporting Unit [Member] Home Health Reporting Unit [Member] Hospice reporting unit Hospice Reporting Unit [Member] Hospice Reporting Unit [Member] Community-based reporting unit Community Based Reporting Unit [Member] Community Based Reporting Unit [Member] Facility-based reporting unit Facility Based Reporting Unit [Member] Facility Based Reporting Unit [Member] Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Balance at beginning of period Goodwill from acquisitions Goodwill, Acquired During Period Noncontrolling Interest, Period Increase (Decrease) Noncontrolling Interest, Period Increase (Decrease) Other NetGoodwillPurchaseAccountingAdjustments Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized, net of deferred tax adjustments. Balance at end of period Income Tax Disclosure Income Tax Disclosure [Text Block] Net service revenue Business Acquisition, Pro Forma Revenue Net income attributable to the Company Business Acquisition, Pro Forma Net Income (Loss) Diluted earnings per share (in usd per share) Diluted Earnings Per Share Pro Forma Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Event [Line Items] Subsequent Events [Text Block] Subsequent Events [Text Block] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Gross margin Gross Profit Less net income attributable to noncontrolling interests Earnings per share attributable to LHC Group, Inc.'s common stockholders: Earnings Per Share, Basic [Abstract] Basic Earnings Per Share, Basic Diluted Earnings Per Share, Diluted Basic Diluted Summary of Activity of Noncontrolling Interest-Redeemable Redeemable Noncontrolling Interest [Table Text Block]