Title of Individual [Axis] Title of Individual [Axis] Level 3 Fair Value, Inputs, Level 3 [Member] Unsecured revolving credit facility Long-term Line of Credit Combined principal amount of loan Mortgage Loan, Combined Principal Mortgage Loan, Combined Principal Amortization of stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Officers and Employees Officer And Employee [Member] Officer And Employee Schedule of Real Estate Acquisitions Schedule Of Assets Acquisitions [Table Text Block] Schedule Of Assets Acquisitions [Table Text Block] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Skilled Nursing, Assisted Living and Independent Living Facilities Skilled Nursing, Assisted Living and Independent Living Facilities [Member] Skilled Nursing, Assisted Living and Independent Living Facilities [Member] Number of awards granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Concentration Risk [Line Items] Concentration Risk [Line Items] Recent Accounting Standards Adopted by Company New Accounting Pronouncements, Policy [Policy Text Block] Independent living facilities Cost of Goods and Services Sold Name of Property [Domain] Name of Property [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Less: Net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic and Diluted Undistributed earnings (loss) allocated to participating securities, basic and diluted. 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face value Equity Method Investment, Aggregate Cost 2020 (nine months) Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year Independent Living Facilities Owned and Operated by Company Independent Living Facilities Owned and Operated By Company [Member] Independent Living Facilities Owned and Operated By Company [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Number of Properties Number Of Properties Acquired Number Of Properties Acquired Risks and Uncertainties [Abstract] Risks and Uncertainties [Abstract] Net proceeds from sales of real estate Proceeds from Sale of Real Estate Held-for-investment Mortgage Loan Receivable Mortgage Receivable [Member] Mortgage Receivable [Member] Other Commitments [Line Items] Other Commitments [Line Items] Accounts and other receivables, net Accounts Receivable, after Allowance for Credit Loss 2024 Lessor, Operating Lease, Payments to be Received, Five Years Real Estate [Table] Real Estate [Table] Entity File Number Entity File Number Vesting period range (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Numerator for basic and diluted earnings available to common stockholders Net Income Loss Available To Common Stockholders Basic And Diluted Net income (loss) available to common stockholders basic and diluted. Mortgage loan receivable interest rate (percent) Loans Receivable, Fixed Interest Rate Loans Receivable, Fixed Interest Rate 2021 Lessor, Operating Lease, Payments to be Received, Two Years Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 2022 Lessor, Operating Lease, Payments to be Received, Three Years Loss on sale of real estate Loss on sale of real estate Gain (loss) on sale of real estate Gains (Losses) on Sales of Investment Real Estate Document Fiscal Period Focus Document Fiscal Period Focus Increase in dividends payable Increase Decrease In Dividends Payable Increase Decrease In Dividends Payable Purchase and sale agreement amount Purchase And Sale Agreement, Amount Purchase And Sale Agreement, Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Real Estate Properties [Line Items] Real Estate Properties [Line Items] Number of Beds/Units Number Of Beds Or Units In Properties Acquired Number Of Beds Or Units In Properties Acquired Measurement Frequency [Domain] Measurement Frequency [Domain] Statement [Line Items] Statement [Line Items] Independent living facilities Revenue from Contract with Customer, Excluding Assessed Tax Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Basic (in usd per share) Earnings per common share, basic (in usd per share) Earnings Per Share, Basic Common dividends (in usd per share) Dividends declared per share Common Stock, Dividends, Per Share, Declared Number of equal annual vesting installments Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting, Number Of Equal Annual Installments Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, Number of Equal Annual Installments Proceeds from the issuance of senior unsecured term loan Gross proceeds from issuance of senior notes Proceeds from 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[Member] Amortization of stock-based compensation Stock-based compensation expense Share-based Payment Arrangement, Expense Total liabilities and equity Liabilities and Equity Entity Address, City or Town Entity Address, City or Town Concentration risk (percent) Concentration Risk, Percentage Aggregate required financing of capital expenditures as percentage of initial investment in property (percent) Aggregate Required Financing Of Capital Expenditures As Percentage Of Initial Investment In Property Aggregate Required Financing Of Capital Expenditures As Percentage Of Initial Investment In Property Receivable Type [Axis] Receivable Type [Axis] Dividends payable Dividends Payable Expenses: Operating Expenses [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Preferred stock, authorized (shares) Preferred Stock, Shares Authorized Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Real estate investments, net 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[Member] Measurement Input Type [Domain] Measurement Input Type [Domain] Other Real Estate Investments Real Estate, Other Investments [Policy Text Block] Real Estate, Other Investments Entity Tax Identification Number Entity Tax Identification Number Other Commitments [Domain] Other Commitments [Domain] Senior unsecured notes payable - face value Debt instrument face amount Debt Instrument, Face Amount Diluted (in usd per share) Earnings per common share, diluted (in usd per share) Earnings Per Share, Diluted Percentage of aggregate principal amount of notes outstanding (percent) Debt Instrument Percentage Of Original Principal Amount Outstanding After Redemption From Equity Offerings Debt instrument percentage of original principal amount outstanding after redemption from equity offerings. Number of mortgage loans receivable Number Of Mortgage Loans Receivable Number Of Mortgage Loans Receivable Debt instrument, measurement input Debt Instrument, Measurement Input Trading Symbol Trading Symbol Minimum Minimum [Member] Repayment of other real estate investment Return of initial investment Proceeds from Equity Method Investment, Distribution, Return of Capital Thereafter Lessor, Operating Lease, Payments to be Received, After Year Six, Thereafter Amount of lease payments to be received by lessor after sixth fiscal year following latest statement of financial position date for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. Statistical Measurement [Domain] Statistical Measurement [Domain] 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] Interest income distribution from other real estate investment Proceeds from Equity Method Investment, Distribution Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities 2025 Lessor, Operating Lease, Payments to be Received, Six Years Amount of lease payments to be received by lessor in sixth fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date. Stock-Based Compensation Share-based Payment Arrangement [Text Block] Property taxes Real Estate Tax Expense 2023 Lessor, Operating Lease, Payments to be Received, Four Years Prime Rate Prime Rate [Member] Other Commitments [Table] Other Commitments [Table] City Area Code City Area Code Number of master leases Number Of Master Leases Number Of Master Leases Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Title of 12(b) Security Title of 12(b) Security Other Real Estate Investments Other Real Estate Investments [Text Block] Other Real Estate Investments Number of properties to secure loan Number Of Properties Utilized To Secure Loan Number Of Properties Utilized To Secure Loan Fair Value Estimate of Fair Value Measurement [Member] Counterparty Name [Axis] Counterparty Name [Axis] Earnings per common share: Earnings Per Share [Abstract] Concentration Risk [Table] Concentration Risk [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Other real estate investments, net Real Estate Investments, Joint Ventures Real Estate Acquisition Valuation Real Estate Acquisitions [Policy Text Block] Real Estate Acquisitions Award 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 Interest and other income Interest and Other Income ATM Program At-The-Market Offering Program [Member] At-The-Market Offering Program [Member] Principal Amount Outstanding amounts Long-term Debt, Gross Assets: Assets [Abstract] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Senior unsecured notes payable Notes Payable, Fair Value Disclosure Schedule of Dividends on Common Stock Dividends Declared [Table Text Block] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Rental income Operating Lease, Lease Income Performance Stock Award Performance Shares [Member] Line of credit facility, prepayment premium in second year Line Of Credit Facility, Prepayment Premium In Second Year After Issuance Line Of Credit Facility, Prepayment Premium In Second Year After Issuance Number of states where Ensign leases the highest concentration of properties Concentration Risk, Number Of States Number of states where the entity's major tenants lease the highest concentration of properties. Other loss: Nonoperating Income (Expense) [Abstract] Ensign Employees Ensign Employees [Member] Ensign Employees [Member] Prior Term Loan Prior Term Loan [Member] Prior Term Loan Portion of funding commitment subject to rent increase at time of funding Portion Of Commitment Subject To Rent Increase At Time Of Funding Portion Of Commitment Subject To Rent Increase At Time Of Funding Measurement Basis [Axis] Measurement Basis [Axis] Integral equipment, furniture and fixtures Fixtures and Equipment, Gross Supplemental schedule of noncash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Assisted living Assisted Living Facility [Member] Assisted Living Facility [Member] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Customer [Domain] Customer [Domain] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Statistical Measurement [Axis] Statistical Measurement [Axis] Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Redemption price of notes (percent) Debt Instrument, Redemption Price, Percentage Acquisitions of real estate, net of deposits applied Payment to acquire facility Payments to Acquire Commercial Real Estate Schedule of Real Estate Properties [Table] Schedule of Real Estate Properties [Table] Debt Debt Disclosure [Text Block] Transfer of pre-acquisition costs to acquired assets Transfer Of Preacquisition Costs To Acquired Assets Transfer Of Preacquisition Costs To Acquired Assets Preferred equity investments Equity Method Investments, Fair Value Disclosure Investment, Name [Axis] Investment, Name [Axis] Common stock, authorized (shares) Common Stock, Shares Authorized Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] PMG Priority Management Group LLC [Member] Priority Management Group LLC Entity Central Index Key Entity Central Index Key Unvested stock awards outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Redemption price, percentage upon change of control (percent) Debt Instrument Redemption Price Upon Change Of Control As Percentage Of Principal Amount Debt instrument redemption price upon change of control as percentage of principal amount. 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Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Measurement Frequency [Axis] Measurement Frequency [Axis] Interest income related to mortgage loans Interest and Fee Income, Loans, Commercial, Real Estate Earnings Per Common Share Earnings Per Share [Text Block] Officers Officer [Member] Award Type [Domain] Award Type [Domain] Straight-line rental income Straight Line Rent Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Revolving Credit Facility Revolving Credit Facility [Member] Issuance of common stock, net, (in shares) Stock Issued During Period, Shares, New Issues Contract purchase price Disposal Group, Including Discontinued Operation, Contract Purchase Price Disposal Group, Including Discontinued Operation, Contract Purchase Price Revenue, exclusive of operating expense reimbursements Revenue Benchmark [Member] Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Noncash interest income Other Noncash Income New Term Loan Feb 2019 New Term Loan Feb 2019 [Member] New Term Loan Feb 2019 [Member] Schedule of Company's Indebtedness Schedule of Long-term Debt Instruments [Table Text Block] Cumulative contractual preferred return through acquisition date Equity Method Investment, Cumulative Contractual Preferred Return Equity Method Investment, Cumulative Contractual Preferred Return Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Total liabilities Liabilities Extension option term (in months) Loan Receivable, Extension Option Term Loan Receivable, Extension Option Term Common stock, $0.01 par value; 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