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Customer concentration risk Customer Concentration Risk [Member] Other Other Sundry Liabilities, Current Options, expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Other (expense): Nonoperating Income (Expense) [Abstract] Business Acquisition, Pro Forma Information [Abstract] Business Acquisition, Pro Forma Information [Abstract] Revenue Revenue from Contract with Customer Benchmark [Member] Schedule of future minimum lease payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of revenue by major payor source Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, Address Line One Entity Address, Address Line One Borrowing availability Line of Credit Facility, Remaining Borrowing Capacity Total Pennant Group, Inc. stockholders’ equity Net Parent Investment Net Parent Investment Interest expense, net Interest Expense Trade name Trade Names [Member] Credit Facility [Axis] Credit Facility [Axis] Schedule of long-term debt Schedule of Long-Term Debt Instruments [Table Text Block] Equity: Equity [Abstract] Building Building [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Tax Identification Number Entity Tax Identification Number Revenue from Contract with Customer [Abstract] Accrued Wages and Related Liabilities Accrued Wages and Related Liabilities [Member] Accrued Wages and Related Liabilities Net (decrease) increase in cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Plus: assumed incremental shares from exercise of options and assumed conversion or vesting of restricted stock (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Entity Central Index Key Entity Central Index Key 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] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Business combination, purchase price Business Combination, Consideration Transferred Other accrued liabilities Other accrued liabilities Other Accrued Liabilities, Current City Area Code City Area Code Accrued fee for transfer of senior living community Accrued Professional Fees, Current Assets Assets [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Resident deposits Deposit Liability, Current Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] 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 Weighted average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Share-based compensation Share-Based Payment Arrangement, Noncash Expense 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 Variable Rate [Axis] Variable Rate [Axis] Private and other Private And Other [Member] Private And Other [Member] Other long-term liabilities Other Liabilities, Noncurrent Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Escrow deposits Escrow Deposit Right-of-use assets obtained in exchange for new operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cost of services Cost of Sales [Member] Real Estate [Domain] Real Estate [Domain] Customer [Domain] Customer [Domain]