Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Number of leases Lessor, Number Of Lease Agreements Lessor, Number Of Lease Agreements Trading Arrangement: Trading Arrangement [Axis] Development Commitment Development Commitment [Member] Development Commitment [Member] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Title of 12(b) Security Title of 12(b) Security Net Carrying Amounts Reported Value Measurement [Member] Net income attributable to common stockholders - diluted Net Income (Loss) Available to Common Stockholders, Diluted Subsequent event Subsequent Event [Member] Mezzanine loans: Mezzanine [Member] Mezzanine Commitment and Contingencies [Line Items] Commitment and Contingencies [Line Items] Commitment and Contingencies Adjustment to Compensation, Amount Adjustment to Compensation Amount Real Estate [Line Items] Real Estate [Line Items] Segment Reporting [Abstract] Balance secured by deed and indenture Guarantor Obligations, Maximum Exposure, Undiscounted Annual lease escalator percentage Real Estate Properties, Annual Lease Escalator Percentage Real Estate Properties, Annual Lease Escalator Percentage Year of Loan Origination Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Loans an leases receivable, gross Total Financing Receivable, Accrued Interest, before Allowance for Credit Loss Consolidated Entities [Axis] Consolidated Entities [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Common equity interest in venture (as percent) Interest in Joint Venture Percentage Interest in Joint Venture Percentage Number of health care properties related to mortgage notes receivables Number Of Health Care Properties Related To Mortgage Notes Receivables Number Of Health Care Properties Related To Mortgage Notes Receivables Cumulative dividends Cumulative Dividends Amortization of lease incentives Amortization SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Leases [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Distributions paid to noncontrolling interests Payments to Noncontrolling Interests Schedule of Tenant Concentrations Schedule of Tenant Concentrations [Table Text Block] Schedule of Tenant Concentrations Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Prior Years Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share NHC - 1991 Lease NHC - 1991 Lease [Member] NHC - 1991 Lease [Member] Asset Acquisition [Axis] Asset Acquisition [Axis] Unvested at the beginning of the period (in shares) Unvested at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Annual rent increase (as percent) Operating Lease, Annual Rent Increase Operating Lease, Annual Rent Increase Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Number of reportable segments Number of Reportable Segments Total gross real estate Real Estate Investment Property, at Cost Entity Address, City or Town Entity Address, City or Town Maximum exposure to loss, net Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Net Amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Net Amount Unvested restricted stock granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] PruittHealth - Orangeburg PruittHealth - Orangeburg [Member] PruittHealth - Orangeburg Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount ALFs Assisted Living Facilities [Member] Assisted Living Facilities Distributions received from equity method investment Proceeds from Equity Method Investment, Distribution, Return of Capital Level 2: Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 2029 Lessor, Operating Lease, Payment to be Received, Year Three Revenue benchmark Revenue Benchmark [Member] Debt instrument, twelve month extension options Debt Instrument, Number of Twelve Month Extension Options Debt Instrument, Number of Twelve Month Extension Options Loans and leases agreement Financing Receivable, Commitment with Fixed Rate, Amount Subsequent Event Type [Axis] Subsequent Event Type [Axis] Grants of restricted stock awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Fixed rate debt Fixed Interest Rate Debt [Member] Fixed Interest Rate Debt [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Impairment of Long-Lived Assets Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block] Investment Income [Table] Investment Income [Table] Schedule of Segment Reporting Segment Reporting [Table Text Block] Repayments of revolving credit facility Repayments of Lines of Credit Senior Living Hospitality Group Senior Living Hospitality Group [Member] Senior Living Hospitality Group Number of ground leases Number of Properties Subject to Ground Leases Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Mortgage and other notes receivable, net of reserve Credit loss reserves Balance at the beginning of the period Balance at the end of the period Credit loss reserve Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Document Period End Date Document Period End Date Aggregate principle amount issued Debt Instrument, Face Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Interest in joint venture percentage Equity Method Investment, Increase in Ownership Percent Equity Method Investment, Increase in Ownership Percent Capital contributions from noncontrolling interests Proceeds from Noncontrolling Interests Aggregate net carrying value Long-Lived Asset, Held-for-Sale, Fair Value Disclosure Leases Lessor, Operating Leases [Text Block] Weighted average common shares outstanding: Earnings Per Share, Basic, Other Disclosure [Abstract] Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Mortgage notes: Mortgages [Member] Earnings Per Share Earnings Per Share [Text Block] Changes in accounts payable related to noncontrolling interest distributions Change in Accounts Payable Related To Noncontrolling Interests Distributions Change in Accounts Payable Related To Noncontrolling Interests Distributions Earnings per share: Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Rental income Revenues Lease Income Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Schedule of Disposition of Real Estate Properties Asset Disposition [Table Text Block] Tabular Disclosure of Assets Dispositions Total liabilities Liabilities Trading Symbol Trading Symbol 2019 Stock Award Plan Two Thousand Nineteen Stock Award Plan [Member] Two Thousand Nineteen Stock Award Plan Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] 2026 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Facility fee percentage Line of Credit Facility, Commitment Fee Percentage Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction 2028 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Two Variable rate debt Variable Interest Rate Debt [Member] Variable Interest Rate Debt [Member] Not Secured By Real Estate Not Secured By Real Estate [Member] Not Secured By Real Estate [Member] Notes Receivable Remain Unfunded Notes Receivable Remain Unfunded [Member] Notes Receivable Remain Unfunded [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Property, plant and equipment, useful life Property, Plant, and Equipment, Useful Life Other Assets and Liabilities Other Assets And Liabilities [Member] Other Assets And Liabilities Disposal Group Name [Domain] Disposal Group Name [Domain] Dividends payable Dividends Payable Percentage of awards Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Less than 1.0x EBITDARM Coverage less than 1.0x [Member] EBITDARM Coverage less than 1.0x Real estate services fee Real Estate Services Fee, Percent Fee Real Estate Services Fee, Percent Fee Award Timing Predetermined Award Timing Predetermined [Flag] Aggregate intrinsic value of stock options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Number of states in which entity operates Number of States in which Entity Operates Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] 2027 Long-Term Debt, Maturities, Repayments of Principal in Next Rolling 12 Months Scenario [Domain] Scenario [Domain] Payments of lease incentives Lessee, Operating Lease, Lease Incentive This item represents amounts paid for tenant lease incentives as a result of tenant meeting specified operating cashflow metrics. Outstanding, beginning balance (in usd per share) Outstanding, ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price ROU assets related to operating leases, net Operating Lease, Right-of-Use Asset Investments Real Estate Investments Real Estate Investments segment Real Estate Investment Segment [Member] Real Estate Investment Segment Share-Based Compensation Shareholders' Equity and Share-Based Payments [Text Block] Proxy contest and related expenses Legal Fees Concentration Risk Type [Domain] Concentration Risk Type [Domain] Fair Value of Financial Instruments [Line Items] Fair Value of Financial Instruments [Line Items] Fair Value of Financial Instruments Notes and straight-line rent receivable Notes And Straight-Line Rent Receivable [Member] Notes and Straight-Line Rent Receivable Renewal term Lessee, Operating Lease, Renewal Term Fair Value of Financial Instruments Fair Value Disclosures [Abstract] Distributions declared Distributions declared Redeemable Noncontrolling Interest, Distributions Redeemable Noncontrolling Interest, Distributions Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Revolving credit facility - unsecured Long-Term Line of Credit Expiration Date Trading Arrangement Expiration Date Real Estate [Table] Real Estate [Table] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Building Building [Member] Dividends declared, per share Stock Issued During Period, Value, Stock Dividend Bank term loan - unsecured Principal outstanding Unsecured Debt Buildings, Building Improvements and Intangible Assets Building and Building Improvements [Member] Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Equity acquired (as a percent) Noncontrolling Interest, Equity Acquired, Percentage Noncontrolling Interest, Equity Acquired, Percentage Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Proceeds from issuance of common shares, net Proceeds from Issuance of Common Stock Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Aggregate intrinsic values of stock exercisable Exercisable stock options at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Secured By Real Estate Secured By Real Estate [Member] Secured By Real Estate Number of units in real estate property Number of Units in Real Estate Property Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Straight line basis over remaining lease term Lessee, Operating Lease, Remaining Lease Term Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Bank term loan - unsecured Bank Term Loans [Member] Bank Term Loans [Member] 2027 Lessor, Operating Lease, Payment to be Received, Year One Effective adjustment rate Estimated Credit Losses, Current Conditions Adjustment, Combined Estimated Credit Losses, Current Conditions Adjustment, Probability of Default and Loss Given Default, Combined Segments [Domain] Segments [Domain] Real Estate Properties Property, Plant, and Equipment [Policy Text Block] Schedule of Tenant Concentration [Table] Schedule of Tenant Concentration [Table] Schedule of Tenant Concentration Preferred Equity Interest Preferred Equity Interest [Member] Preferred Equity Interest Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Mortgage and other notes receivable Mortgage and Other Notes Commitments Financing Receivable, after Allowance for Credit Loss Disposal Group Classification [Domain] Disposal Group Classification [Domain] Building Improvements Building Improvements [Member] Contingent funding commitment Contingent Funding Commitment This item represents the maximum amount of a contingent funding commitment. PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Repayments of mortgage and other notes receivable Proceeds from Sale and Collection of Mortgage Notes Receivable Percentage of continuing revenue Percentage of Total Revenues This element represents the percentage of income recognized from a lease tenant. Schedule of Share-Based Payment Award, Restricted Stock Units, Valuation Assumptions Schedule of Share-Based Payment Award, Restricted Stock Units, Valuation Assumptions [Table Text Block] Schedule of Share-Based Payment Award, Restricted Stock Units, Valuation Assumptions Interest rate Debt Instrument, Interest Rate, Stated Percentage Total National Health Investors, Inc. stockholders’ equity Equity, Attributable to Parent Disposed of by sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Real Estate [Domain] Real Estate [Domain] Assets: Assets [Abstract] Allegro Living Management Allegro Living Management [Member] Allegro Living Management Schedule of Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Insider Trading Policies and Procedures [Line Items] Nonperforming Financial Instruments Non-performing notes: Nonperforming Financial Instruments [Member] Allowances Accounts Receivable, Allowance for Credit Loss, Current Number of real estate properties Number Of Real Estate Properties Acquired Number Of Real Estate Properties Acquired Total acquisitions Property, Plant, and Equipment, before Accumulated Depreciation, Addition Deferred income tax expense Deferred Income Tax Expense (Benefit) Private placement note - unsecured Private Placement Private Placement [Member] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Anti-dilutive stock options excluded from above (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments Entity Central Index Key Entity Central Index Key Less: Accumulated depreciation and amortization Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Capital in excess of par value Additional Paid in Capital, Common Stock Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Remainder of 2026 Long-Term Debt, Maturity, Remainder of Fiscal Year Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Straight-line rent revenue adjustments Straight Line Rent Income [Member] Straight Line Rent Income [Member] Schedule of Stock Options Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Variable Rate [Domain] Variable Rate [Domain] At The Market, Matures in Q2 2026 At The Market, Matures in Q2 2026 [Member] At The Market, Matures in Q2 2026 Lease payments based on fixed rent escalators Fixed Lease Escalation [Member] Fixed Lease Escalation [Member] Restricted stock awards Restricted Stock Awards Restricted Stock [Member] All Individuals All Individuals [Member] Schedule of Fixed and Variable Lease Payments [Table] Schedule of Fixed and Variable Lease Payments [Table] Schedule of Fixed and Variable Lease Payments Dividends paid to stockholders Payments of Dividends Fair value of intangible assets Finite-Lived Intangible Assets, Fair Value Disclosure Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Interest expense Interest Expense, Operating Industry Sector [Axis] Industry Sector [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Operating Segments Operating Segments [Member] Weighted average fair value of options granted (in US dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value PEO PEO [Member] Debt, net Total debt, net Debt, Long-Term and Short-Term, Combined Amount Mortgage and other notes issued in connection with dispositions of real estate properties Increase in Notes Receivable from Sales of Real Estate Increase in Notes Receivable from Sales of Real Estate Forward equity sales agreements (in shares) Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements More than 10% Operators More than 10% Operators [Member] More than 10% Operators Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Lease Inducement Lease Inducement [Member] Lease Inducement [Member] Escrow funds received from tenants for property operating expenses Tenants With Escrow Funds [Member] Tenants With Escrow Funds Real estate properties acquired to settle mortgage note receivable Fair Value of Assets Acquired Retained Earnings Retained Earnings [Member] Total expenses Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Fully Funded Fully Funded [Member] Fully Funded [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Franchise, excise and other taxes Franchise, excise and other taxes Franchise, excise and other taxes Diluted (in dollars per share) Earnings per share - diluted (in dollars per share) Earnings Per Share, Diluted Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Legal expense Legal expense Litigation Settlement, Expense (Benefit) Litigation Settlement, Expense (Benefit) Rent income from NHC Operating Lease, Variable Lease Income Other assets, net Increase (Decrease) in Prepaid Expense and Other Assets Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Ownership [Domain] Ownership [Domain] 2023 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Cumulative unrecognized equity method losses Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Share-Based Payment Arrangement [Abstract] Resident fees and services Revenue from Contract with Customer, Excluding Assessed Tax Unused balance of the unsecured revolving credit facility Line of Credit Facility, Remaining Borrowing Capacity Lease Option, Between 2029 and 2031 Lease Option, Between 2029 and 2031 [Member] Lease Option, Between 2029 and 2031 Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Properties in lease termination agreement Related Parties, Properties in Lease Termination Agreement Related Parties, Properties in Lease Termination Agreement 2031 Senior Notes Senior Notes Due 2031 [Member] Senior Notes Due 2031 Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Sale of Stock [Axis] Sale of Stock [Axis] Regulatory escrows Escrow Deposit Weighted Average Remaining Contractual Life (Years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Amount expected to be recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Recognized Notes Notes [Member] Notes Vizion Health Vizion Health [Member] Vizion Health Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Number of properties sold Disposal Group, Including Discontinued Operation, Number of Properties Sold Disposal Group, Including Discontinued Operation, Number of Properties Sold SLM SLM [Member] SLM Financing receivable, stated interest rate Financing Receivable, Stated Interest Rate Financing Receivable, Stated Interest Rate Debt instrument, extension period Debt Instrument, Extension Period Debt Instrument, Extension Period Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Senior Living Management Senior Living Management [Member] Senior Living Management [Member] Common stock, shares issued (in shares) Common Stock, Shares, Issued Maximum capital improvements commitment Lease, Maximum Capital Improvements Commitment Lease, Maximum Capital Improvements Commitment Amount funded toward the development commitments Development in Process Other Assets, Net Other Assets Disclosure [Text Block] Percentage of issue price on face value Percentage Of Issue Price On Face Value Percentage Of Issue Price On Face Value SLCs Senior Living Campuses [Member] Senior Living Campuses Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Deferred income tax liabilities, net Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Gains on dispositions of real estate properties Gains on dispositions of real estate properties Gains on Dispositions Gains on dispositions of real estate properties Gains (Losses) on Sales of Investment Real Estate Senior Residential Realty LP Senior Residential Realty LP [Member] Senior Residential Realty LP Cumulative Amount Cumulative Amount [Member] Cumulative Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Noncontrolling Interest [Table] Noncontrolling Interest [Table] Schedule of Tenant Concentration [Line Items] Schedule of Tenant Concentration [Line Items] Schedule of Tenant Concentration [Line Items] Fees received on mortgage notes receivable Proceeds From Mortgage Fees Received Proceeds From Mortgage Fees Received Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Funded amount Master Lease Amendments, Funded Amount Master Lease Amendments, Funded Amount Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Aggregate intrinsic value of stock options outstanding Outstanding stock options at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Total revenues Total revenues Revenues Gains from equity method investment Gains from equity method investment Gains from equity method investment Income (Loss) from Equity Method Investments Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Noncontrolling Interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Amortization and write-off of lease incentives Operating Lease, Lease Income, Amortization And Write-Off Of Lease Incentives Operating Lease, Lease Income, Amortization And Write-Off Of Lease Incentives Stock option plan, award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Options exercisable (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Award Type [Domain] Award Type [Domain] Carrying Amounts Variable Interest Entity, Reporting Entity Involvement, Carrying Amount Variable Interest Entity, Reporting Entity Involvement, Carrying Amount Remainder of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Level 3: Fair Value, Inputs, Level 3 [Member] Montecito Medical Real Estate Montecito Medical Real Estate [Member] Montecito Medical Real Estate Changes in accounts payable related to real estate property renovations Change in Accounts Payable Related To Property Renovations Change in Accounts Payable Related To Property Renovations Expected lives Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Operating lease term Lessee, Operating Lease, Term of Contract Bickford Bickford [Member] Bickford Ownership percentage of noncontrolling owner Subsidiary, Ownership Percentage, Noncontrolling Owner Geographical [Axis] Geographical [Axis] Restricted cash Restricted Cash Total Lessor, Operating Lease, Payment to be Received Schedule of Cash Rents Received Schedule of Cash Rents Received [Table Text Block] Schedule of Cash Rents Received Concentration of Credit Risks Concentration Risk, Credit Risk, Policy [Policy Text Block] Other assets, net Total other assets, net Other Assets Resident Fees and Services Resident Fees and Services [Member] Resident Fees and Services Liability Class [Axis] Liability Class [Axis] Management Fees Management and Investment Advisory Fees, Policy [Policy Text Block] Cash, cash equivalents and restricted cash at the beginning of the period Cash, cash equivalents and restricted cash at the end of the period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-NEOs Non-NEOs [Member] Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Net income, excluding a net loss attributable to redeemable noncontrolling interest Net Income (Loss), Excluding Gain (Loss) Attributable to Redeemable Noncontrolling Interest Net Income (Loss), Excluding Gain (Loss) Attributable to Redeemable Noncontrolling Interest SHOP SHOP segment: Senior Housing Operating Portfolio [Member] Senior Housing Operating Portfolio Credit Loss Reserves on Mortgage and Other Notes Receivable Credit Loss, Financial Instrument [Policy Text Block] Lease payments based on variable rent escalators Variable Lease Escalation [Member] Variable Lease Escalation [Member] Investment, Name [Domain] Investment, Name [Domain] Customer [Domain] Customer [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Unlikely to be Collected Financing Receivable Unlikely to be Collected Financing Receivable [Member] Schedule of Share-Based Compensation Expense, Net of Forfeitures Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Statistical Measurement [Axis] Statistical Measurement [Axis] Award Type [Axis] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type [Axis] Award Type [Axis] Remainder of 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) ILFS Independent Living Facility [Member] This element represents a property or properties that are classified as an Independent Living Facility, which differentiate them from other health care properties. Sante Silverdale Sante Silverdale [Member] Sante Silverdale Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Wingate Living Wingate Living [Member] Wingate Living Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Affiliate of Senior Living Senior Living Communities, Affiliate [Member] Senior Living Communities, Affiliate Noncontrolling Interest [Abstract] Unrecognized equity method losses Equity Method Investment, Unrealized Gain (Loss) on Disposal Equity Method Investment, Unrealized Gain (Loss) on Disposal Interest expense at contractual rates Interest Expense, Debt, Excluding Amortization SHCs Senior Housing Community [Member] This is a facility type that may include Assisted Living, Independent Living or a combination known as a Senior Living Campus. Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Type of Adoption [Domain] Accounting Standards Update [Domain] Total liabilities and equity Liabilities and Equity Stock options Share-Based Payment Arrangement, Option [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Schedule of Fixed and Variable Lease Payments Schedule Of Fixed And Variable Lease Payments [Table Text Block] Schedule of Fixed and Variable Lease Payments [Table Text Block] The Brook Retirement Communities Brook Retirement Communities [Member] Brook Retirement Communities Dilutive RSUs (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Discovery Managed Portfolio Discovery Managed Portfolio [Member] Discovery Managed Portfolio Significant Acquisitions and Disposals, Transaction [Domain] Long-Lived Asset, Class [Domain] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Payable [Table] Dividends Payable [Table] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Generations, LLC Generations, LLC [Member] Generations, LLC Less: Net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Credit Facility [Axis] Credit Facility [Axis] Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Rental income Disposal Group, Including Discontinued Operation, Rental Income Debt Instrument [Line Items] Debt Instrument [Line Items] Number of lessees Number Of Tenants, Cash Basis Revenue Recognition The number of lessees of real estate property at the end of the period. Corporate Segment Corporate Segment and Other Operating Segment [Member] Bickford Senior Living Bickford Bickford Senior Living [Member] Bickford Senior Living [Member] Interest and other income Interest and Fee Income, Financing Receivable Capital in Excess of Par Value Additional Paid-in Capital [Member] Mortgage and Other Notes Receivable Financing Receivable [Policy Text Block] Debt leverage limit Debt Leverage Limit, Coupon Change, Trigger This item represents the debt leverage limit that would trigger an increase in the interest rate to be paid on outstanding debt balances. Buildings, improvements and intangibles Investment Building, Building Improvements and Intangible Assets Investment Building, Building Improvements and Intangible Assets Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Lease incentives, net Incentive to Lessee Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Right-of-use assets acquired in exchange for finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Real estate properties: Real Estate [Abstract] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Commitment and Contingencies [Table] Commitment and Contingencies [Table] Commitment and Contingencies Award Timing Method Award Timing Method [Text Block] Increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Gross deferred tax assets Deferred Tax Assets, Gross 2028 Lessor, Operating Lease, Payment to be Received, Year Two Net income attributable to stockholders Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Options exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Leases - Lessee Lessee, Leases [Policy Text Block] 2030 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four Debt instrument, extension period one Debt Instrument, Extension Period One Debt Instrument, Extension Period One Schedule of Other Assets, Net Schedule of Other Assets [Table Text Block] Mortgage increase from sale of real estate Increase in Mortgage Note Receivable From Sale of Real Estate Increase in Mortgage Note Receivable From Sale of Real Estate Revenues: Revenues [Abstract] Real Estate Investments segment: Real Estate Investments Segment [Member] Real Estate Investments Segment Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Dilutive securities: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Statistical Measurement [Domain] Statistical Measurement [Domain] Remaining sales agreement Sale of Stock, Equity Sales Agreements Settled Sale of Stock, Equity Sales Agreements Settled Document Fiscal Year Focus Document Fiscal Year Focus Revolving lines of credit: Revolving Credit Facilities [Member] Revolving Credit Facilities Number of Awards and Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Straight-line rents receivable Deferred Rent Receivables, Net Customer [Axis] Customer [Axis] Common stock Common Stock, Value, Issued Total interest expense Interest expense Interest Expense, Operating and Nonoperating 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Schedule of Activity Related to Restricted Stock Awards and Restricted Stock Units Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Taxes paid related to net settlement of stock incentive awards Payment, Tax Withholding, Share-Based Payment Arrangement Schedule of Debt Schedule of Long-Term Debt Instruments [Table Text Block] Restatement Determination Date Restatement Determination Date Taxes and insurance Real Estate Taxes and Insurance, Adjusted Real Estate Taxes and Insurance, Adjusted Investments in affiliates Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Percentage rent rate Percentage Rent Rate This element represents the rental revenue rate earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount. Generally stipulated in the lease agreement, it usually will provide for a fixed percentage of revenue to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof. Amendment Flag Amendment Flag Between 1.0x and 1.5x EBITDARM Coverage, 1.0x to 1.5x [Member] EBITDARM Coverage, 1.0x to 1.5x Disposal Group Classification [Axis] Disposal Group Classification [Axis] Loss Contingencies [Table] Loss Contingencies [Table] Investments [Domain] Investments [Domain] Real estate investment property, portfolio assets Real Estate Investment Property, Portfolio Assets The element represents the original cost of all portfolio leased assets. NHC National Healthcare Corporation [Member] National HealthCare Corporation [Member] Schedule of Fixed and Variable Lease Payments [Line Items] Schedule of Fixed and Variable Lease Payments [Line Items] Schedule of Fixed and Variable Lease Payments [Line Items] 2026 Dispositions 2026 Dispositions [Member] 2026 Dispositions Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Real Estate Operating Company Real Estate Operating Company [Member] Real Estate Operating Company PEO Total Compensation Amount PEO Total Compensation Amount Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Basic (in shares) Weighted average common shares outstanding basic - (in shares) Weighted Average Number of Shares Outstanding, Basic Number of renewal options Lessee, Operating Lease, Number Of Renewal Options Lessee, Operating Lease, Number Of Renewal Options Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Loss Contingencies [Line Items] Loss Contingencies [Line Items] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Thereafter Lessee Operating Lease Liability Payments Due After Year Four Lessee Operating Lease Liability Payments Due After Year Four Navion Senior Solutions Navion Senior Solutions [Member] Navion Senior Solutions [Member] LCS Timber Ridge LCS Timber Ridge [Member] LCS Timber Ridge [Member] Deferred income Increase (Decrease) in Deferred Revenue Increase rate in amount of loss from a default Probability of Default, Increase, Current Conditions Adjustment This item represents the estimated increase in the probability of default as part of managements assessment of estimated credit losses based on current economic conditions. Mortgage and Other Notes Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Net real estate balance Disposal Group, Including Discontinued Operation, Assets Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Unvested restricted stock vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Net income attributable to common stockholders Net income attributable to common stockholders - basic Net Income (Loss) Available to Common Stockholders, Basic Straight-line rents receivable Accounts and Other Receivables, Net, Current Schedule of Change in Expected Credit Loss Liabilities Off Balance Sheet, Credit Loss, Liability, Roll Forward [Table Text Block] Off Balance Sheet, Credit Loss, Liability, Roll Forward Receivable [Domain] Receivable [Domain] Unsecured revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Straight-line rent revenue adjustments Straight-line rent revenue adjustments Straight Line Rent Mortgage and other notes receivable, net of credit loss reserve of $15,397 and $15,397, respectively Total mortgage and other notes receivable, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Land Land [Member] Noncontrolling Interests Noncontrolling Interest [Member] Amortization of debt issuance costs and discounts Amortization of Debt Issuance Costs Unsecured Debt Unsecured Debt [Member] Noncontrolling Interests Noncontrolling Interest Disclosure [Text Block] Long-term debt Long-Term Debt 2024 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] South Carolina SOUTH CAROLINA Subleased facilities Subleased Facilities [Member] Subleased Facilities Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Note receivable interest rate Note Receivable Interest Rate This concept reflects the interest rate to be received on a loan receivable. Equity and Dividends Equity [Text Block] Security Exchange Name Security Exchange Name More than 1.5x EBITDARM Coverage above 1.5x [Member] EBITDARM Coverage above 1.5x Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Revolving amount line of credit Loans And Lease Receivable, Maximum Revolving Amount Loans And Lease Receivable, Maximum Revolving Amount Amortization of lease incentives Lease Incentives [Member] Lease Incentives Assets held for sale, net Real Estate, Held-for-Sale Encore Senior Living Encore Senior Living [Member] Encore Senior Living [Member] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Segments Segment Reporting, Policy [Policy Text Block] Investments in mortgage and other notes receivable Payments to Acquire Mortgage Notes Receivable Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] 2026 Asset Acquisition 2026 Asset Acquisition [Member] 2026 Asset Acquisition Other non-cash items, net Other Noncash Expense Supplemental disclosures of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Ownership percentage Subsidiary, Ownership Percentage, Parent Total principal amounts of debt outstanding Long-Term Debt, Gross Common Equity Interest Common Equity Interest [Member] Common Equity Interest Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Forward Equity Sales Transactions Derivatives, Policy [Policy Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Proceeds from revolving credit facility Proceeds from Lines of Credit Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Maximum exposure to loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Provision for expected credit losses Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Merrill Gardens Managed Portfolio Merrill Gardens Managed Portfolio [Member] Merrill Gardens Managed Portfolio Organization, Consolidation and Presentation of Financial Statements [Abstract] Total future minimum contractual lease payments Lessee, Operating Lease, Liability, to be Paid Dietary Dietary Expense Dietary Expense Unvested at the beginning of the period (in US dollars per share) Unvested at the end of the period (in US dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Redeemable noncontrolling interest Balance at the beginning of the period Balance at the end of the period Redeemable Noncontrolling Interest, Equity, Carrying Amount Asset Acquisition [Domain] Asset Acquisition [Domain] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Annual base rent Real Estate Properties, Annual Lease Base Rent Amount Real Estate Properties, Annual Lease Base Rent Amount Segment Reporting Segment Reporting [Text Block] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Liabilities: Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] RSAs and RSUs Restricted Stock Awards and Restricted Stock Units [Member] Restricted Stock Awards and Restricted Stock Units Options outstanding (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Revenue Recognition Revenue Recognition, Leases [Policy Text Block] SNFs Skilled Nursing Facility [Member] This element represents a property or properties that are classified as a Skilled Nursing Facility, which differentiate them from other health care properties. Equity issuance costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Schedule of Changes in Credit Loss Reserves Schedule of Financing Receivable, Allowance for Credit Loss, Roll Forward [Table Text Block] Schedule of Financing Receivable, Allowance for Credit Loss, Roll Forward Common stock, shares authorized (in shares) Common Stock, Shares Authorized Mainstay Healthcare Mainstay Healthcare Maitland, LLC [Member] Mainstay Healthcare Maitland, LLC Exercise Price Award Exercise Price At-the market shelf registration, equity offering sales agreement, aggregate sales price Share Repurchase Program, Authorized, Amount Segment Reporting [Line Items] Segment Reporting [Line Items] Off Balance Sheet, Credit Loss [Roll Forward] Off Balance Sheet, Credit Loss [Roll Forward] Off Balance Sheet, Credit Loss Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] No coverage available EBITDARM, No Coverage [Member] EBITDARM, No Coverage Income before equity method investment and income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Repayments of term loans Repayments of Long-Term Debt Management fees Management Fee Expense Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Real Estate Properties Real Estate Disclosure [Text Block] Equity Component [Domain] Equity Component [Domain] Adoption Date Trading Arrangement Adoption Date Counterparty Name [Domain] Counterparty Name [Domain] Timber Ridge OpCo Timber Ridge OpCo [Member] Timber Ridge OpCo Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Operating lease liabilities Operating Lease, Liability Payments of equity issuance costs Payments of Stock Issuance Costs Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number 2033 Senior Notes Senior Notes Due 2033 [Member] Senior Notes Due 2033 Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Loans Receivable Loans Receivable [Member] Noncontrolling interest capital contribution Noncontrolling Interest, Increase from Subsidiary Equity Issuance Commitments, Contingencies and Uncertainties Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Construction in progress Construction in Progress, Gross Restricted Stock Units Restricted Stock Units (RSUs) [Member] Amortization of debt issuance costs and discounts Amortization Of Financing Costs, Exclusive Of Amounts Written Off Amortization of financing costs exclusive of amounts written off due to a restructuring of in-place debt instruments Development commitments for construction and renovation Maximum Commitment For All Active Development Projects This item represents the maximum commitment for all active development projects. All Adjustments to Compensation All Adjustments to Compensation [Member] Non-Segment /Corporate Non-segment / corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Income Taxes Income Tax, Policy [Policy Text Block] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] Equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Expenses: Operating Expenses [Abstract] Tenant Concentration [Line Items] Tenant Concentration [Line Items] Tenant Concentration Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Thereafter Long-Term Debt, Maturities, Repayments of Principal in Rolling after Year Five Various Various [Member] Various Senior housing operating expenses Senior Housing Operating Expenses Senior Housing Operating Expenses City Area Code City Area Code Business Combination, Consideration Transferred, Equity Interest, Type [Axis] Business Combination, Consideration Transferred, Equity Interest, Type [Axis] Geographic Concentration Risk Geographic Concentration Risk [Member] Debt instrument, fair value disclosure Debt Instrument, Fair Value Disclosure Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted Average Grant Date Fair Value Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Share-Based Compensation Expense Share-Based Payment Arrangement [Policy Text Block] Other senior housing operating expenses Other Senior Housing Operating Expenses Other Senior Housing Operating Expenses Taxes and insurance on leased properties Real Estate Taxes and Insurance Issuance of common shares, net (in shares) Stock Issued During Period, Shares, New Issues Assets Held for Sale Real Estate Held for Development and Sale, Policy [Policy Text Block] Share-based compensation expense Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Bank Term Loan $300M Term Loan [Member] $300M Term Loan [Member] Shares issued due to stock options exercised (in shares) Options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Unvested restricted stock granted (in US 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 Subsequent Event Type [Domain] Subsequent Event Type [Domain] Accounting Standards Update 2016-13 Accounting Standards Update 2016-13 [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Interest Income from Mortgage and Other Notes Receivable Revenue Recognition, Interest [Policy Text Block] Payments of debt issuance costs Payments of Debt Issuance Costs Deferred income Deferred Income Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Taxes paid related to net settlement of stock incentive awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Acquisitions of real estate properties Payments to Acquire Real Estate Utilities Utilities Expense Utilities Expense Schedule of Acquisition of Real Estate Properties Business Combination [Table Text Block] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total real estate properties, net Real estate properties, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Net Investment Income [Line Items] Net Investment Income [Line Items] Stock option plan, award post vesting hold period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Post Vesting hold Period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Post Vesting hold Period 2022 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Nonportfolio assets, original cost Nonportfolio Assets, Original Cost This item represents the original cost of corporate assets that are not part of the investment portfolio. Shares issued due to stock options exercised Stock Issued During Period, Value, Stock Options Exercised Underlying Securities Award Underlying Securities Amount Fair Values Estimate of Fair Value Measurement [Member] Issuance of common shares, net Stock Issued During Period, Value, New Issues Equity interest acquired (as percent) Noncash or Part Noncash Acquisition, Interest Acquired Cash Basis Lessees Cash Basis Lessees [Member] Cash Basis Lessees Weighted average discount rate related to operating leases Operating Lease, Weighted Average Discount Rate, Percent Shares available for grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Segment Reporting [Table] Segment Reporting [Table] Cumulative Dividends Accumulated Distributions in Excess of Net Income [Member] Balance at the beginning of the period Balance at the end of the period Off-Balance-Sheet, Credit Loss, Liability Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Schedule of Fair Value Measurements, Nonrecurring Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Non-cash interest income on mortgage notes receivable Non Cash Interest Income On Mortgage Notes Receivable Non Cash Interest Income On Mortgage Notes Receivable Source of Exposure [Domain] Source of Exposure [Domain] Source of Exposure [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Credit loss benefit Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends to common stockholders (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Distributions declared to noncontrolling interests, excluding attributable to redeemable noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Grant Date Fair Value Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Equity Method Investment Equity Method Investments and Joint Ventures Disclosure [Text Block] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Equity Components [Axis] Equity Components [Axis] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Add: Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Accounts payable and other liabilities Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business Debt instrument, unamortized discount Less: Unamortized debt issuance costs and discounts Debt Instrument, Unamortized Discount Taxes paid related to net settlement of stock incentive awards (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Net cash consideration Proceeds from Sale of Real Estate MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Document Type Document Type National HealthCare Corporation (“NHC”) Leased Portfolio Disposition National HealthCare Corporation (“NHC”) Leased Portfolio Disposition [Member] National HealthCare Corporation (“NHC”) Leased Portfolio Disposition Lease Option [Domain] Lease Option [Domain] Lease Option [Domain] Investments in existing real estate properties and equipment Payments to Renovate Real Estate Payments to Renovate Real Estate 2029 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three Significant Accounting Policies Significant Accounting Policies [Text Block] Proceeds from dispositions of real estate properties Net Proceeds Proceeds from Sale of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans Escrow funds received from tenants for property operating expenses Escrow Funds Received From Tenants [Member] Escrow Funds Received From Tenants [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Gross deferred tax liabilities Deferred Tax Liabilities, Gross Commitments and contingencies Commitments and Contingencies Total real estate properties Real Estate Properties Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Redeemable Noncontrolling Interests [Roll Forward] Equity, Attributable to Noncontrolling Interest [Roll Forward] Executive Category: Executive Category [Axis] Receivable Type [Axis] Receivable Type [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Liabilities and Equity: Liabilities and Equity [Abstract] 2030 Lessor, Operating Lease, Payment to be Received, Year Four Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Accounts payable and other liabilities Accounts Payable and Accrued Liabilities PEO Name PEO Name Net Carrying Amounts Real Estate Investments, Net Significant Acquisitions and Disposals by Transaction [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Real Estate Investments segment accounts receivable and other assets, net Real Estate Investments Accounts Receivable and Other Assets Real Estate Investments Accounts Receivable and Other Assets Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Description of the Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Other Less than 10% Operators [Member] Less than 10% Operators Labor Labor and Related Expense Land Land Number of real estate properties sold Number Of Real Estate Properties Sold Number Of Real Estate Properties Sold Disposal Group Name [Axis] Disposal Group Name [Axis] Outstanding balance Financing Receivable, Line Of Credit, Outstanding Amount Financing Receivable, Line Of Credit, Outstanding Amount Basic (in dollars per share) Earnings per share - basic (in dollars per share) Earnings Per Share, Basic Deferred income Deferred Revenue Number of cash basis operators Lessor, Number Of Operators Converted To Cash Basis Accounting Lessor, Number Of Operators Converted To Cash Basis Accounting Insider Trading Arrangements [Line Items] SHOP segment accounts receivable, net of allowances of $168 and $309, respectively, and other assets, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Interest Expense Schedule Of Interest Expense [Table Text Block] Schedule of Interest Expense [Table Text Block] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Source of Exposure [Axis] Source of Exposure [Axis] Source of Exposure Number of real estate properties held for sale Number Of Real Estate Properties Held For Sale Number Of Real Estate Properties Held For Sale Fair Value Measurement [Domain] Fair Value Measurement [Domain] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Bickford Note Investment Bickford Note Investment [Member] Bickford Note Investment [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Percentage of continuing revenue Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] HOSP Hospital [Member] This element represents a property or properties that are classified as a Hospital, which differentiate them from other health care properties. Industry Sector [Domain] Industry Sector [Domain] Schedule of Future Minimum Base Rent Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] NOI Net Operating Income Net Operating Income Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] General and administrative expenses General and administrative expenses General and Administrative Expense Capital contributions Contributions Attributable to Redeemable Noncontrolling Interest Contributions Attributable to Redeemable Noncontrolling Interest Number of real estate properties Number of Properties Number of Real Estate Properties Net loss attributable to redeemable noncontrolling interest Net loss Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Loan and realty gains, net Loan and realty gains, net Loan And Realty Losses And Recoveries, Net Loan And Realty Losses And Recoveries, Net Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Income Taxes Income Tax Disclosure [Text Block] Financing receivable, non-performing loans Financing Receivable, Non-performing Loans Financing Receivable, Non-performing Loans Number of operators/tenants Number of Operators/Tenants This item represents the number of operators or tenants. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Entity Filer Category Entity Filer Category Escrow funds received from tenants for property operating expenses Operating Lease, Lease Income, Escrow Funds Operating Lease, Lease Income, Escrow Funds Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Negotiations to sale Negotiations to sale [Member] Negotiations to sale Equity Method Investments and Joint Ventures [Abstract] Note Note [Member] Note Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Senior Living Senior Living Senior Living Senior Living Communities LLC [Member] Senior Living Communities LLC Number of properties Number Of Properties Number Of Properties Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets acquired in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Unvested restricted stock vested (in US 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 Income tax expense Income tax expense Income Tax Expense (Benefit) Other non-operating income Other non-operating income Other Nonoperating Income Principles of Consolidation Consolidation, Policy [Policy Text Block] Management fee Property Management Fee, Percent Fee Six Senior Housing Properties Six Senior Housing Properties [Member] Six Senior Housing Properties Primary beneficiary VIEs Variable Interest Entity, Primary Beneficiary [Member] The Fellowship Family Fellowship [Member] Fellowship Lease Option [Axis] Lease Option [Axis] Lease Option [Axis] Unamortized debt issuance costs Unamortized Debt Issuance Expense Statement [Table] Statement [Table] EFCs Entrance Fee Communities [Member] Entrance Fee Communities 2025 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Fed Funds Effective Rate Overnight Index Swap Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Loans receivable facility bears interest rate Loans Receivable, Description, Variable Rate Basis, Reference Rate The reference rate for variable rate loans receivable, such as LIBOR or the US Treasury rate. Debt Instruments [Abstract] Debt Instruments [Abstract] Residency agreement, term Residency Agreement, Term Residency Agreement, Term Financing receivable of revolving credit facility Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan During Period