Cash paid during the period for: Supplemental Cash Flow Information [Abstract] Customer [Domain] Customer [Domain] Non-cash adjustment to right-of-use assets and lease liabilities from lease terminations Adjustment Operating Lease Right-of-Use Asset And Operating Lease Liability Adjustment Operating Lease Right-of-Use Asset And Operating Lease Liability Letters of credit Letter of Credit [Member] Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Leasehold improvements Leasehold Improvements [Member] Net income attributable to The Pennant Group, Inc. Net income attributable to The Pennant Group, Inc. Net Income (Loss) Attributable to Parent Right-of-use assets Operating Lease, Right-of-Use Asset Accrued wages and related liabilities Employee-related Liabilities, Current Medicaid Medicaid [Member] Medicaid [Member] Income Statement Location [Axis] Income Statement Location [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Acquisition related costs Business Combination, Acquisition Related Costs Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Revenue from Contract with Customer [Abstract] Forfeited & Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Government Assistance, Type [Axis] Government Assistance, Type [Axis] Government Assistance, Type Segments [Axis] Segments [Axis] Dividend Yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Net (decrease) increase in cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Resident deposits Deposit Liability, Current Entity File Number Entity File Number Share-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Expenses from transactions with related party Fees incurred Related Party Transaction, Expenses from Transactions with Related Party Other Payments For (Proceeds From) Property Reserve Requirements Payments For (Proceeds From) Property Reserve Requirements Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Long-lived asset impairment Impairment of Long-Lived Assets to be Disposed of Payments for deferred financing costs Payments of Financing Costs Variable lease cost Variable Lease, Cost Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Options which are anti-dilutive and not factored into the weighted average common shares amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Subsequent Events [Abstract] Subsequent Events [Abstract] Business Combination and Asset Acquisition [Abstract] Granted (in dollars 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 Business Acquisition [Axis] Business Acquisition [Axis] Title of Individual [Domain] Title of Individual [Domain] Period of review Uniform Program Integrity Contractor, Period Of Review Uniform Program Integrity Contractor, Period Of Review Other indefinite-lived intangible assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Award Type [Domain] Award Type [Domain] Local Phone Number Local Phone Number Credit Facility [Domain] Credit Facility [Domain] Assets Assets [Abstract] Intangible asset impairments Goodwill and Intangible Asset Impairment Subsegments [Axis] Subsegments [Axis] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Weighted average exercise price of options vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Number of operating subsidiaries with reviews scheduled Number Of Operating Subsidiaries With Reviews Scheduled Number Of Operating Subsidiaries With Reviews Scheduled Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period GOODWILL AND OTHER INDEFINITE-LIVED INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Revenue % Concentration Risk, Percentage Beginning balance, outstanding (in shares) Ending balance, outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Trade name Trade Names [Member] Retained Earnings/ (Accumulated Deficit) Retained Earnings [Member] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Other Other Sundry Liabilities, Current Series of Individually Immaterial Business Acquisitions Series of Individually Immaterial Business Acquisitions [Member] Related Party [Axis] Related Party [Axis] CARES Act CARES Act [Member] CARES Act Accounts receivable Increase (Decrease) in Accounts Receivable Capital expenditures in accounts payable Capital Expenditures Incurred but Not yet Paid Right-of-use assets obtained in exchange for new operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Managed care Managed Care [Member] Managed Care [Member] Options, vesting percent per year Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Suspended payments Uniform Program Integrity Contractor, Suspended Payments Uniform Program Integrity Contractor, Suspended Payments Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Borrowing availability Line of Credit Facility, Remaining Borrowing Capacity Basic (in dollars per share) Basic net income per common share (in dollars per share) Earnings Per Share, Basic Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Rent—cost of services Rent—cost of services Operating Lease, Expense 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three The coronavirus aid, relief, and economic security act, advance payments received The Coronavirus Aid, Relief, and Economic Security Act, Advance Payments Received The Coronavirus Aid, Relief, and Economic Security Act, Advance Payments Received Beginning balance, outstanding (in shares) Ending balance, outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Non-Vested Restricted Stock Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Summary of non-vested restricted stock awards Nonvested Restricted Stock Shares Activity [Table Text Block] 2021 Grant Year 2021 [Member] Grant Year 2021 Lease liabilities Operating Lease, Payments Business combination, purchase price Business Combination, Consideration Transferred Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Revolving Credit Facility Long-term Debt, Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Subtotal Medicare And Medicaid [Member] Medicare And Medicaid [Member] Plan Name [Axis] Plan Name [Axis] Repayment of the coronavirus aid, relief, and economic security act Repayment Of The Coronavirus Aid, Relief, and Economic Security Act Funds Repayment Of The Coronavirus Aid, Relief, and Economic Security Act Funds Long-term debt, net Long-term debt, net Long-term Debt Senior Living Services Senior Living Services Segment [Member] Senior Living Services Segment [Member] Less: Costs at start-up operations Start-Up Activities, Costs Start-Up Activities, Costs Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entity Small Business Entity Small Business Leases, Under Adoption of ASC 842 [Abstract] Lessee, Operating Lease, Liability, Payment, Due [Abstract] Base Rate Base Rate [Member] Supplemental disclosures of cash flow information: Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Total liabilities and equity Liabilities and Equity Other accrued liabilities Other accrued liabilities Other Accrued Liabilities, Current Deferred revenue Contract with Customer, Liability, Current Number of options vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding, Number Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Additional paid-in capital Additional Paid in Capital Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Medicare Medicare [Member] Medicare [Member] Expiration period Transitions Services Agreement, Expiration Period Transitions Services Agreement, Expiration Period Concentration Risk [Line Items] Concentration Risk [Line Items] Liabilities and equity Liabilities and Equity [Abstract] Accounts payable Increase (Decrease) in Accounts Payable Computation of basic and diluted net income per share Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] COMPUTATION OF NET INCOME PER COMMON SHARE Earnings Per Share [Text Block] Entity Interactive Data Current Entity Interactive Data Current Segment Adjusted EBITDAR from Operations Segment Adjusted EBITDAR from Operations Income (Loss) From Continuing Operations Before Interest, Taxes, Depreciation And Amortization, Rent Costs, Acquisition Costs And Stock-based Compensation Income (Loss) From Continuing Operations Before Interest, Taxes, Depreciation And Amortization, Rent Costs, Acquisition Costs And Stock-based Compensation Home Health and Hospice Services Home Health And Hospice Services Segment [Member] Home Health And Hospice Services Segment [Member] Issuance of common stock from the exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Minimum Minimum [Member] Related party Affiliated Entity [Member] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Balance Sheet Location [Domain] Balance Sheet Location [Domain] Less: unamortized debt issuance costs Debt Issuance Costs, Net Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Address, State or Province Entity Address, State or Province Deferred tax assets, net Deferred Income Tax Assets, Net Current liabilities: Liabilities, Current [Abstract] Operating lease obligations Reduction to lease liabilities Increase (Decrease) in Operating Lease Liability DEBT Debt Disclosure [Text Block] Equity, beginning balance (in shares) Equity, ending balance (in shares) Shares, Outstanding Income taxes Proceeds from Income Tax Refunds Line of credit Line of Credit [Member] OPTIONS AND AWARDS Share-based Payment Arrangement [Text Block] Operating results of transferred senior living facilities Operating Income (Loss) From Transferred Senior Living Facilities Operating Income (Loss) From Transferred Senior Living Facilities Accounting Policies [Abstract] Accounting Policies [Abstract] General and administrative expense Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party Government Assistance, Type [Domain] Government Assistance, Type [Domain] Government Assistance, Type [Domain] Present value of total lease liabilities Operating Lease, Liability Letters of credit outstanding Letters of Credit Outstanding, Amount Document Transition Report Document Transition Report Common stock, $0.001 par value; 100,000 shares authorized; 28,849 and 28,530 shares issued and outstanding, respectively, at March 31, 2022; and 28,826 and 28,499 shares issued and outstanding, respectively, at December 31, 2021 Common Stock, Value, Issued Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Weighted Average Recognition Period (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Beginning of period, weighted average exercise price (in dollars per share) End of period, weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Customer concentration risk Customer Concentration Risk [Member] Additions Goodwill, Acquired During Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Commitments and contingencies Commitments and Contingencies Subsequent Event [Table] Subsequent Event [Table] LEASES Lessee, Operating Leases [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Allowance for doubtful accounts Less: allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current 2022 (Remainder) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year ACQUISITIONS Business Combination Disclosure [Text Block] Restricted stock awards Restricted Stock [Member] Reconciliation of total combined adjusted EBITDAR from operations for our reportable segments to combined income from operations Reconciliation of Adjusted EBITDAR to Income from Operations [Table Text Block] Reconciliation of Adjusted EBITDAR to Income from Operations [Table Text Block] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Stock options granted fair value assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Legal Entity [Axis] Legal Entity [Axis] Number of buildings involved in termination of lease Lease Termination, Number Of Buildings Lease Termination, Number Of Buildings Cover [Abstract] Goodwill [Line Items] Goodwill [Line Items] Total expenses Costs and Expenses Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Treasury stock, at cost (in shares) Treasury Stock, Shares Schedule of other accrued liabilities Other Current Liabilities [Table Text Block] Number of patient records under review Uniform Program Integrity Contractor, Number Of Patient Records Under Review Uniform Program Integrity Contractor, Number Of Patient Records Under Review Less: present value adjustments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash Cash Number of properties involved in lease termination Lease Termination, Number Of Properties Lease Termination, Number Of Properties Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Entity [Domain] Entity [Domain] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Transaction services costs Acquisition-Related Costs, Not Capitalized Acquisition-Related Costs, Not Capitalized Operating lease, rent expense Operating Lease, Rent Expense [Member] Operating Lease, Rent Expense [Member] Stock options Share-based Payment Arrangement, Option [Member] Consolidation Items [Domain] Consolidation Items [Domain] Equity: Equity [Abstract] Document Quarterly Report Document Quarterly Report Common Stock Common Stock [Member] Variable Rate [Axis] Variable Rate [Axis] Home Health Services Home Health Subsegment [Member] Home Health Subsegment [Member] BUSINESS SEGMENTS Segment Reporting Disclosure [Text Block] Income from operations Condensed Consolidated Income from Operations Operating Income (Loss) Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Operating lease liabilities—current Less: current lease liabilities Operating Lease, Liability, Current Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Share-based compensation Share-based Payment Arrangement, Noncash Expense Variable Rate [Domain] Variable Rate [Domain] Additional Paid-In Capital Additional Paid-in Capital [Member] Depreciation Depreciation Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Number of properties under lease Number Of Real Estate Properties Under Lease Number Of Real Estate Properties Under Lease Treasury Stock Treasury Stock [Member] Office Office Building [Member] Income taxes Income Taxes Paid Other income Other income Other Nonoperating Income (Expense) General and professional liability, retention limit General And Professional Liability Insurance, Retention Limit, Per Claim General And Professional Liability Insurance, Retention Limit, Per Claim Non-cash adjustment to right-of-use assets and lease liabilities from lease modifications Non-Cash Adjustment, Increase (Decrease) To Right-of-Use Assets And Lease Liabilities Non-Cash Adjustment, Increase (Decrease) To Right-of-Use Assets And Lease Liabilities Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment OTHER ACCRUED LIABILITIES Other Liabilities Disclosure [Text Block] Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Total liabilities Liabilities Award Type [Axis] Award Type [Axis] Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Number of terminated leases under master lease agreement Lease Termination, Number Of Leases Under Master Lease Agreement Lease Termination, Number Of Leases Under Master Lease Agreement Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Future minimum lease payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Consolidation Items [Axis] Consolidation Items [Axis] Revenue by major payor source Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued City Area Code City Area Code Payment terms Revenue, Performance Obligation, Description of Payment Terms Other indefinite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Entity Address, City or Town Entity Address, City or Town Other accrued liabilities Increase (Decrease) in Other Accrued Liabilities Non-cash investing activity: Noncash Investing and Financing Items [Abstract] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Long-term operating lease liabilities—less current portion Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Interest expense, net Interest Expense Medicare and Medicaid licenses Licensing Agreements [Member] Accrued wages and related liabilities Increase (Decrease) in Employee Related Liabilities Self insurance, individual coverage limit Self Insurance, Individual Coverage Limit Self Insurance, Individual Coverage Limit Total acquisition Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Retained earnings Retained Earnings (Accumulated Deficit) Operating segments Operating Segments [Member] Lease term Lessee, Operating Lease, Term of Contract Options, expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Property taxes Accrual for Taxes Other than Income Taxes, Current Accrued self-insurance liabilities - current portion Self Insurance Reserve, Current Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Entity Filer Category Entity Filer Category Facility Facility [Member] Facility [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Risk-Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Income Statement [Abstract] Income Statement [Abstract] Concentration Risk [Table] Concentration Risk [Table] Entity Registrant Name Entity Registrant Name Issuance of common stock upon the exercise of options Proceeds from Stock Options Exercised Other indefinite-lived intangibles Indefinite-lived Intangible Assets (Excluding Goodwill) BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Related Party Transaction [Axis] Related Party Transaction [Axis] Forfeited & Expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Provision for income taxes Income Tax Expense (Benefit) Total equity Equity, beginning balance Equity, ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Accounts receivable—less allowance for doubtful accounts of $868 and $902, respectively Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Amendment Flag Amendment Flag Equity Components [Axis] Equity Components [Axis] Entity Tax Identification Number Entity Tax Identification Number Document Fiscal Period Focus Document Fiscal Period Focus Total current assets Assets, Current Total lease payments Lessee, Operating Lease, Liability, to be Paid Receivables Accounts Receivable [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Financial data combined by business segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Unvested Stock Options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Unvested Restricted Stock Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Weighted average fair value of options (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component [Domain] Equity Component [Domain] Restricted and other assets Other Restricted Assets, Noncurrent 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Statement [Line Items] Statement [Line Items] Contract liabilities (CARES Act advance payments) Increase (Decrease) in Contract with Customer, Liability Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Total share-based compensation expense Share-based Payment Arrangement, Cost by Plan [Table Text Block] Hospice Services Hospice Subsegment [Member] Hospice Subsegment [Member] Counterparty Name [Domain] Counterparty Name [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Debt Disclosure [Abstract] Other Accrued Liabilities, Current [Abstract] Accrued Liabilities, Current [Abstract] Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] All Other Corporate, Non-Segment [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Customer [Axis] Customer [Axis] Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Options granted (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Title of 12(b) Security Title of 12(b) Security Total assets Assets Deferred income taxes Deferred Income Taxes and Tax Credits Plan Name [Domain] Plan Name [Domain] Non-employee director Director [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized 2022 Grant Year 2022 [Member] Grant Year 2022 Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Title of Individual [Axis] Title of Individual [Axis] Document Type Document Type Non-Controlling Interest Noncontrolling Interest [Member] Transition Services Agreement Transition Services Agreement [Member] Transition Services Agreement Depreciation and amortization Less: Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Schedule of accounts receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Less: net income/ (loss) attributable to noncontrolling interest Net income (loss) attributable to Non-Controlling Interest Net Income (Loss) Attributable to Noncontrolling Interest Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Revolving Credit Facility Revolving Credit Facility [Member] Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Real Estate [Domain] Real Estate [Domain] Number of properties under lease, master lease agreement Number Of Real Estate Properties Under Lease, Master Lease Agreement Number Of Real Estate Properties Under Lease, Master Lease Agreement Furniture and fixtures Furniture and Fixtures [Member] Components of operating lease cot Lease, Cost [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] The Ensign Plans The Ensign Plans [Member] The Ensign Plans [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Basic (in shares) Weighted average shares outstanding for basic net income per share (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in dollars per share) Diluted net income per common share (in dollars per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Payments on Revolving Credit Facility Repayments of Long-term Lines of Credit Plus: assumed incremental shares from exercise of options and assumed conversion or vesting of restricted stock (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Weighted average interest rate Long-term Debt, Weighted Average Interest Rate, at Point in Time Cost of services Related Party Costs SUBSEQUENT EVENTS Subsequent Events [Text Block] Number of service providers Number Of Service Providers Number Of Service Providers Lease, Cost [Abstract] Lease, Cost [Abstract] Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Treasury stock, at cost, 3 shares at March 31, 2022 and December 31, 2021 Treasury Stock, Value Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Related Party Transaction [Line Items] Related Party Transaction [Line Items] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Equipment and other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Subsegments [Domain] Subsegments [Domain] Accounts payable Accounts Payable, Current Concentration Risk Type [Axis] Concentration Risk Type [Axis] Impairment of long-lived assets Impairment, Long-Lived Asset, Held-for-Use Depreciation and amortization Depreciation, Depletion and Amortization Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Proceeds from Revolving Credit Facility Proceeds from Long-term Lines of Credit Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Document Period End Date Document Period End Date Issuance/ (cancellation) of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Accounts Receivable [Abstract] Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Entity Central Index Key Entity Central Index Key Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Number of separate master lease arrangements Number of Separate Master Lease Arrangements Number of Separate Master Lease Arrangements Number of Options Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Award Date [Domain] Award Date [Domain] Schedule of property and equipment, net Property, Plant and Equipment [Table Text Block] Reduction to right of use assets Increase (Decrease) In Operating Lease, Right-of-Use Asset Increase (Decrease) In Operating Lease, Right-of-Use Asset Income Statement Location [Domain] Income Statement Location [Domain] Acquisition costs Business Acquisition, Transaction Costs Ensign The Ensign Group, Inc. [Member] The Ensign Group, Inc. [Member] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net PROPERTY AND EQUIPMENT—NET Property, Plant and Equipment Disclosure [Text Block] Accrued payroll taxes employer portion Accrued Payroll Taxes, Employer Portion Accrued Payroll Taxes, Employer Portion Other long-term liabilities Other Liabilities, Noncurrent Schedule of long-term debt Schedule of Long-term Debt Instruments [Table Text Block] Debt Instrument [Line Items] Debt Instrument [Line Items] Trading Symbol Trading Symbol Earnings per share: Earnings Per Share [Abstract] Contract Liabilities (CARES Act advance payments) Contract Liability, Advance Payments, CARES Act Contract Liability, Advance Payments, CARES Act Property and equipment, gross Property, Plant and Equipment, Gross Revenue Revenue from Contract with Customer Benchmark [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Out-of-pocket retention Corridor as an Additional Out-of-Pocket Retention Corridor as an Additional Out-of-Pocket Retention Equipment Equipment [Member] Beginning of period, weighted average exercise price (in dollars per share) End of period, weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Expense Costs and Expenses [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Share-based compensation expense Share-based compensation Share-based Payment Arrangement, Expense Unusual or Infrequent Item, or Both [Table] Unusual or Infrequent Item, or Both [Table] Entity Current Reporting Status Entity Current Reporting Status Earnings Per Share: Earnings Per Share, Basic and Diluted [Abstract] Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Effective income tax rate reconciliation, percent Effective Income Tax Rate Reconciliation, Percent Number of businesses acquired and assets acquisitions Number Of Businesses And Assets Acquired Number Of Businesses And Assets Acquired Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Accounts receivable, gross Accounts Receivable, before Allowance for Credit Loss, Current Amortization of deferred financing fees Amortization of Debt Issuance Costs Counterparty Name [Axis] Counterparty Name [Axis] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Cash beginning of period Cash end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Current assets: Assets, Current [Abstract] Other income (expense), net Interest Income (Expense), Nonoperating, Net Leases [Abstract] Leases [Abstract] Award Date [Axis] Award Date [Axis] Real estate and personal property acquired Property, Plant and Equipment, Additions LIBOR London Interbank Offered Rate (LIBOR) [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Refunds payable Customer Refund Liability, Current Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Issuance of common stock from the exercise of stock options (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Diluted (in shares) Adjusted weighted average common shares outstanding for diluted income per share (in shares) Weighted Average Number of Shares Outstanding, Diluted INCOME TAXES Income Tax Disclosure [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Related Party [Domain] Related Party [Domain] Employee stock option activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Margin Debt Instrument, Basis Spread on Variable Rate Total Pennant Group, Inc. stockholders’ equity Net Parent Investment Net Parent Investment Unusual or Infrequent Item, or Both [Line Items] Unusual or Infrequent Item, or Both [Line Items] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Other income (expense): Nonoperating Income (Expense) [Abstract] Credit Facility [Axis] Credit Facility [Axis] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Entity Address, Address Line One Entity Address, Address Line One Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Entity Address, Address Line Two Entity Address, Address Line Two Change in operating assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Number of buildings sold in termination of lease Lease Termination, Number Of Buildings Sold Lease Termination, Number Of Buildings Sold Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Vested (in dollars 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 General and administrative expense General and Administrative Expense [Member] Consolidation Consolidation, Policy [Policy Text Block] Entity Shell Company Entity Shell Company Expected life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Total current liabilities Liabilities, Current Cash payments for business acquisitions Payments to Acquire Businesses, Gross Accrued Wages and Related Liabilities Accrued Wages and Related Liabilities [Member] Accrued Wages and Related Liabilities Borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Statement [Table] Statement [Table] Total unrecognized share-based compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Cost of services Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Statistical Measurement [Axis] Statistical Measurement [Axis] Subsequent event Subsequent Event [Member] Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill REVENUE AND ACCOUNTS RECEIVABLE Revenue from Contract with Customer And Accounts Receivables Disclosure [Text Block] Revenue from Contract with Customer And Accounts Receivables Disclosure [Text Block] Workers' compensation, retention limit Workers' Compensation Insurance, Retention Limit, Per Claim Workers' Compensation Insurance, Retention Limit, Per Claim Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Number of operating facilities Number of Real Estate Properties Cost of services Cost of Sales [Member] Private and other Private And Other [Member] Private And Other [Member] Activity in goodwill by segment Schedule of Goodwill [Table Text Block] DESCRIPTION OF BUSINESS Nature of Operations [Text Block] Adjustments to reconcile net income to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Operating lease costs Operating Lease, Cost Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] TRANSACTIONS WITH ENSIGN Related Party Transactions Disclosure [Text Block]