Entity Central Index Key Land buildings and improvements intangible lease assets and other. Gross investment in real estate assets Accumulated depreciation and amortization. Net Investment In Real Estate Assets Interest and rent receivable. Straight-line rent receivable Other loans Lease deposits and other obligations to tenants Payable due to parent company Rent billed Straight line rent revenue net of write offs. Costs of leased and rented property or equipment. Business combination acquisition related costs accrual adjustment. Debt refinancing charge. Recognition Of Unearned Income On Direct Financing And Sales Type Leases Increase decrease in interest and rent receivable. Construction in progress, equipment, and other Payments for proceeds from lease deposits and other obligations to tenants. Undistributed earning allocated to participating securities. Document And Entity Information [Abstract] Document Information [Table] Document Information [Table] Consolidated Entities Consolidated Entities [Axis] Consolidated Entities Consolidated Entities [Domain] MPT Operating Partnership L.P MPT Operating Partnership, L.P. [Member] Mpt Operating Partnership L P [Member] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Real Estate Assets [Abstract] Statement Of Financial Position [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Units [Member] Common Stock [Member] Partner Type Partner Type Of Partners Capital Account [Axis] Partner Type of Partners' Capital Account, Name Partner Type Of Partners Capital Account Name [Domain] General Partner [Member] General Partner [Member] LTIP Units. LTIP Units [Member] L T I P Units [Member] Statement [Line Items] Statement [Line Items] Assets Assets [Abstract] Real estate assets Real Estate Assets [Abstract] Land, buildings and improvements, intangible lease assets, and other Land Buildings And Improvements Intangible Lease Assets And Other Mortgage loans Mortgage Loans On Real Estate Commercial And Consumer Net Net investment in direct financing leases Net Investment In Direct Financing And Sales Type Leases Gross investment in real estate assets Gross Investment In Real Estate Assets Accumulated depreciation and amortization Accumulated Depreciation And Amortization Net investment in real estate assets Net Investment In Real Estate Assets Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Interest and rent receivables Interest And Rent Receivable Straight-line rent receivables Straight Line Rent Receivable Other loans Other Loans Other assets Other Assets Total Assets Assets Liabilities and Equity Liabilities And Stockholders Equity [Abstract] Liabilities Liabilities [Abstract] Debt, net Long Term Debt Accounts payable and accrued expenses Accounts Payable And Accrued Liabilities Current And Noncurrent Deferred revenue Contract With Customer Liability Lease deposits and other obligations to tenants Lease Deposits And Other Obligations To Tenants Payable due to Medical Properties Trust, Inc. Payable Due To Parent Company Total liabilities Liabilities Equity / Capital Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract] Preferred stock, $0.001 par value. Authorized 10,000 shares; no shares outstanding Preferred Stock Value Common stock, $0.001 par value. Authorized 500,000 shares; issued and outstanding — 364,858 shares at September 30, 2018 and 364,424 shares at December 31, 2017 Common Stock Value Limited Partners: Limited Partners Capital Account [Abstract] Additional paid-in capital Additional Paid In Capital Common Stock Retained earnings (deficit) Retained Earnings Accumulated Deficit Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax Treasury shares, at cost Treasury Stock Value Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital) Stockholders Equity Non-controlling interests Minority Interest Total Equity / Capital Stockholders Equity Including Portion Attributable To Noncontrolling Interest Total Liabilities and Equity / Capital Liabilities And Stockholders Equity Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Revenues Revenues [Abstract] Rent billed Rent Billed Straight-line rent Straight Line Rent Revenue Net Of Write Offs Income from direct financing leases Capital Leases Income Statement Direct Financing Lease Revenue Interest and fee income Interest And Fee Income Loans Commercial Real Estate Total revenues Revenues Expenses Costs And Expenses [Abstract] Interest Interest Expense Real estate depreciation and amortization Depreciation And Amortization Property-related Costs Of Leased And Rented Property Or Equipment General and administrative General And Administrative Expense Acquisition costs Business Combination Acquisition Related Costs Accrual Adjustment Total expenses Costs And Expenses Other income (expense) Nonoperating Income Expense [Abstract] Gain on sale of real estate and other, net Gains Losses On Sales Of Investment Real Estate Debt refinancing costs Debt Refinancing Charge Other Other Nonoperating Income Expense Total other income (expense) Nonoperating Income Expense Income before income tax Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax expense Income Tax Expense Benefit Net income Profit Loss Net income attributable to non-controlling interests Net Income Loss Attributable To Noncontrolling Interest Net income attributable to MPT common stockholders (Operating Partnership partners) Net Income Loss Earnings per common share — basic Earnings Per Share Basic [Abstract] Net income attributable to MPT common stockholders (Operating Partnership partners) Earnings Per Share Basic Earnings per common share — diluted Earnings Per Share Diluted [Abstract] Net income attributable to MPT common stockholders (Operating Partnership partners) Earnings Per Share Diluted Weighted average shares outstanding - basic Weighted Average Number Of Shares Outstanding Basic Weighted average shares outstanding - diluted Weighted Average Number Of Diluted Shares Outstanding Dividends declared per common share Common Stock Dividends Per Share Declared Statement Of Income And Comprehensive Income [Abstract] Net income Other comprehensive income: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Foreign currency translation (loss) gain Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Total comprehensive income Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Comprehensive income attributable to non-controlling interests Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Comprehensive income attributable to MPT common stockholders (Operating Partnership Partners) Comprehensive Income Net Of Tax Supplemental Schedule Of Non Cash Financing Activities [Abstract] Statement Of Cash Flows [Abstract] Operating activities Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation Depletion And Amortization Amortization of deferred financing costs and debt discount Amortization Of Financing Costs And Discounts Direct financing lease interest accretion Recognition Of Unearned Income On Direct Financing And Sales Type Leases Straight-line rent revenue Straight Line Rent Share / (Unit)-based compensation expense Share Based Compensation Gain from sale of real estate and other, net Straight-line rent and other write-off Impairment Of Real Estate Debt refinancing costs Other adjustments Other Noncash Income Expense Changes in: Increase Decrease In Operating Capital [Abstract] Interest and rent receivables Increase Decrease In Interest And Rent Receivable Accounts payable and accrued expenses Increase Decrease In Accounts Payable And Accrued Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Investing activities Net Cash Provided By Used In Investing Activities [Abstract] Cash paid for acquisitions and other related investments Payments To Acquire Real Estate Net proceeds from sale of real estate Proceeds From Sale Of Productive Assets Principal received on loans receivable Proceeds From Collection Of Loans Receivable Investment in loans receivable Payments For Proceeds From Loans Receivable Construction in progress and other Construction In Progress Equipment And Other Other investments, net Payments To Acquire Other Investments Net cash provided by (used for) investing activities Net Cash Provided By Used In Investing Activities Financing activities Net Cash Provided By Used In Financing Activities [Abstract] Proceeds from term debt Proceeds From Issuance Of Long Term Debt Payments of term debt Repayments Of Long Term Debt Revolving credit facilities, net Proceeds From Repayments Of Lines Of Credit Distributions paid Payments Of Ordinary Dividends Lease deposits and other obligations to tenants Payments For Proceeds From Lease Deposits And Other Obligations To Tenants Proceeds from sale of common shares, net of offering costs Proceeds From Issuance Of Common Stock Other financing activities Proceeds From Payments For Other Financing Activities Net cash (used for) provided by financing activities Net Cash Provided By Used In Financing Activities Increase in cash, cash equivalents and restricted cash for period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect Effect of exchange rate changes Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Cash, cash equivalents and restricted cash at beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Interest paid Interest Paid Supplemental schedule of non-cash financing activities: Supplemental Schedule Of Non Cash Financing Activities [Abstract] Distributions declared, not paid Dividends Payable Current And Noncurrent Cash, cash equivalents and restricted cash are comprised of the following: Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract] Cash and cash equivalents at beginning of period Restricted cash, included in Other assets at beginning of period Restricted Cash And Cash Equivalents Restricted cash and cash equivalents, noncurrent, asset, statement of financial position [Extensible List] Restricted Cash And Cash Equivalents Noncurrent Asset Statement Of Financial Position Extensible List Cash, cash equivalents and restricted cash at beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash and cash equivalents at end of period Restricted cash, included in Other assets at end of period Restricted cash and cash equivalents, noncurrent, asset, statement of financial position [Extensible List] Cash, cash equivalents and restricted cash at end of period General Partner — issued and outstanding — 3,648 units at September 30, 2018 and 3,644 units at December 31, 2017 General Partners Capital Account Limited Partners Capital Limited Partners Capital Account General partner, units issued General Partners Capital Account Units Issued General partner, units outstanding General Partners Capital Account Units Outstanding Limited Partners, units issued Common Unit Issued Limited Partners, units outstanding Common Unit Outstanding LTIP Units, shares issued Limited Partners Capital Account Units Issued LTIP Units, shares outstanding Limited Partners Capital Account Units Outstanding Accounting Policies [Abstract] Organization Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Real Estate And Loans Receivables. Text Block [Abstract] Real Estate and Lending Activities Real Estate And Loans Receivables [Text Block] Debt Disclosure [Abstract] Debt Long Term Debt [Text Block] Equity [Abstract] Common Stock/Partner's Capital Partners Capital Notes Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock Awards Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Earnings Per Share [Abstract] Earnings Per Share Earnings Per Share [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Unaudited Interim Condensed Consolidated Financial Statements Consolidation Policy [Text Block] Recent Accounting Developments New Accounting Pronouncements Policy Policy [Text Block] Reclassifications Prior Period Reclassification Adjustment Description Variable Interest Entities Consolidation Variable Interest Entity Policy Carrying Value and Classification of Related Assets and Maximum Exposure to Loss Schedule Of Variable Interest Entities [Text Block] Assets Acquired Schedule Of Business Acquisitions By Acquisition [Text Block] Schedule Of Development Projects [Table Text Block] Summary of Status Update on Current Development Projects Schedule Of Development Projects Table [Text Block] Summary of Operations for Disposed Assets in 2018 Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures [Text Block] Investments in Direct Financing Leases Vs Equipment. Components of Net Investment in Direct Financing Leases Components Of Investment In Leases Of Equipment Table [Text Block] Schedule of Loans Receivable. Summary of Loans Schedule Of Loans Receivable Table [Text Block] Summary of Debt Schedule Of Debt Table [Text Block] Principal Payments Due on Debt Contractual Obligation Fiscal Year Maturity Schedule Table [Text Block] Summary of Fair Value Information of Financial Instruments Fair Value By Balance Sheet Grouping [Text Block] Equity Interest in Related Party and Related Loans Measured at Fair Value on Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Calculation of Earnings Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule Of Variable Interest Entities [Table] Schedule Of Variable Interest Entities [Table] Asset Class Fair Value By Asset Class [Axis] Asset Class Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Equity investments [Member] Equity Method Investments [Member] Securities or Other Assets Sold under Agreements to Repurchase Assets Sold Under Agreements To Repurchase [Axis] Assets Sold under Agreements to Repurchase, Type Assets Sold Under Agreements To Repurchase Type [Domain] Loans, net [Member] Loans [Member] Variable Interest Entities Variable Interest Entities By Classification Of Entity [Axis] Variable Interest Entity, Classification Classification Of Variable Interest Entity [Domain] Mortgage And Other Loans Mortgage and other loans [Member] Mortgage And Other Loans [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Maximum Loss Exposure Variable Interest Entity Entity Maximum Loss Exposure Amount Carrying Amount Variable Interest Entity Consolidated Carrying Amount Assets Significant accounting policies. Significant accounting policies. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Customer Major Customers [Axis] Customer Name Of Major Customer [Domain] Ernest Health, Inc. Ernest Health Inc [Member] Ernest Health Inc [Member] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Maximum loss exposure Business combination loans paid down on acquisition loans. Business Combinations [Abstract] Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Land and Land Improvements [Member] Land And Land Improvements [Member] Building [Member] Building [Member] Intangible Lease Assets Intangible Lease Assets - Subject to Amortization [Member] Intangible Lease Assets [Member] Net Investment In Direct Financing Leases Net Investments in Direct Financing Leases [Member] Net Investment In Direct Financing Leases [Member] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Mortgage Loans [Member] Mortgages [Member] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Other Loans Other Loans [Member] Other Loans [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Total assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Equity investments Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Marketable Securities Liabilities assumed Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Loans repaid Business Combination Loans Paid Down On Acquisition Loans Total net assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net Weighted average useful life of acquired intangible lease assets (in years) Acquired Finite Lived Intangible Assets Weighted Average Useful Life Real Estate Property Ownership Real Estate Properties [Axis] Real Estate Properties Real Estate Properties [Domain] Two thousand eighteen. 2018 [Member] Two Thousand Eighteen [Member] Investment, Name Schedule Of Equity Method Investment Equity Method Investee Name [Axis] Investment, Name Equity Method Investee Name [Domain] Primotop holdings s.a.r.l. Primotop Holdings S.a.r.l. [Member] Primotop Holdings S A R L [Member] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] Germany [Member] GERMANY Major Property Class Major Property Class [Axis] Major Property Class Major Property Class [Domain] Acute care hospital. Acute Care Hospital [Member] Acute Care Hospital [Member] Measurement Basis Fair Value By Measurement Basis [Axis] Fair Value Disclosure Item Amounts [Default] Portion At Fair Value Fair Value Disclosure [Member] Fair Value Measurement Fair Value Disclosure Item Amounts [Domain] Fair Value [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Scenario Statement Scenario [Axis] Scenario, Unspecified Scenario Unspecified [Domain] Scenario, Forecast [Member] Scenario Forecast [Member] Rehabilitation hospital. Rehabilitation Hospital with Covenant Health System [Member] Rehabilitation Hospital [Member] Median. MEDIAN [Member] Median [Member] Pasco, Washington [Member] WASHINGTON General Acute Care Hospital And Healthcare System [Member] General Acute Care Hospital and Healthcare System [Member] General Acute Care Hospital And Healthcare System [Member] Massachusetts [Member] MASSACHUSETTS Texas [Member] TEXAS Legal Entity Legal Entity [Axis] Entity Entity [Domain] Steward Health Care System LLC. Steward Health Care System LLC [Member] Steward Health Care System L L C [Member] Ownership interest in joint venture under the equity method Equity Method Investment Ownership Percentage Number of facilities acquired Number Of Businesses Acquired Aggregate fair value of ownership interest Real Estate Investments Ownership interest in joint venture under the equity method value included in other assets Equity Method Investments Shareholder loan to joint venture Due From Joint Ventures Proceeds from joint venture Proceeds From Contributions From Affiliates Gain on sale of real estate Gain Loss On Disposition Of Real Estate Discontinued Operations Lease agreement annual incremental interest percentage. Lease agreement interest percentage. Purchase price of acquisition Business Combination Consideration Transferred1 Term of lease Lessor Operating Lease Term Of Contract Lease rent increase percentage Lease Agreement Annual Incremental Interest Percentage Lease rate Lease Agreement Interest Percentage Number of lease extension options. Mortgage financing Mortgage Loans On Real Estate New Mortgage Loans Number of lease extension options Number Of Lease Extension Options Term of lease extension, years Lessor Operating Lease Renewal Term Number of facilities closed Number of mortgage facilities. Business combination equity interest in acquiree fair value. Combined purchase price and investment amount. Two thousand seventeen. 2017 [Member] Two Thousand Seventeen [Member] Behavioral health care facility. Behavioral Health Care Facility [Member] Behavioral Health Care Facility [Member] Subsidiaries [Member] Subsidiaries [Member] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category Mortgage Loans On Real Estate Description Loan Category [Axis] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category Mortgage Loans On Real Estate Loan Category [Domain] Mortgage. Mortgage [Member] Mortgage [Member] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] IASIS Healthcare LLC. IASIS Healthcare [Member] I A S I S Healthcare L L C [Member] Florida, Ohio and Pennsylvania. Florida, Ohio, and Pennsylvania [Member] Florida Ohio And Pennsylvania [Member] Community Health Systems Inc. Community Health Systems, Inc. [Member] Community Health Systems Inc [Member] Lease Arrangement, Type Lease Arrangement Type [Axis] Lease Arrangement, Type Lease Arrangement Type [Domain] Third Master Lease [Member] Third Master Lease [Member] Third Master Lease [Member] Ohio Valley Medical Center. Ohio Valley Medical Center [Member] Ohio Valley Medical Center [Member] East Ohio Regional Hospital. East Ohio Regional Hospital [Member] East Ohio Regional Hospital [Member] Alecto healthcare services. Alecto Healthcare Services [Member] Alecto Healthcare Services [Member] West Virginia and Ohio. West Virginia and Ohio [Member] West Virginia And Ohio [Member] IDAHO, Lewiston IDAHO St Joseph Regional Medical Center. St. Joseph Regional Medical Center [Member] St Joseph Regional Medical Center [Member] Business Acquisitions [Member] Business Acquisitions [Member] Business Acquisitions [Member] Number of facilities closed Number Of Facilities Closed Number of mortgage facilities Number Of Mortgage Facilities Equity interest acquired Business Combination Equity Interest In Acquiree Fair Value Combined purchase price and investment amount Combined Purchase Price And Investment Amount Lease expiration, month and year. Number of properties disposed. Amount of properties closed. Acquisition costs Acquisition Costs Lease agreement, end date Lease Expiration Month And Year Number of properties closed Number Of Properties Closed On Amount of properties closed Amount Of Properties Closed Number of beds acquired. Lease agreement increase in consumer price index floor rate minimum. Percentage of ownership interest in operator facilities. Number of beds acquired Number Of Beds Acquired Percentage of increase in annual rent Lease Agreement Increase In Consumer Price Index Floor Rate Minimum Ownership interest percentage in operator facility Percentage Of Ownership Interest In Operator Facilities Operating leases, income statement, lease income. Revenue contributed by the acquired entity Operating Leases Income Statement Lease Revenue Income contributed by the acquired entity Operating Leases Income Statement Lease Income Acquisition related costs Business Combination Acquisition Related Costs Estimated development costs. Ernest [Member] Development activities. Development Activities [Member] Development Activities [Member] Estimated total development cost Estimated Development Costs Development projects original commitment amount. Development projects estimated rent commencement date. Circle Health Group. Circle Health [Member] Circle Health [Member] Circle health rehabilitation. Circle Health Rehabilitation [Member] Circle Health Rehabilitation [Member] Surgery partners. Surgery Partners [Member] Surgery Partners [Member] Birmingham UK Birmingham, England [Member] Birmingham Uk [Member] Idaho Falls Id [Member] Idaho Falls, ID [Member] Idaho Falls Id [Member] Commitment Development Projects Original Commitment Amount Costs Incurred as of September 30, 2018 Cost Of Goods And Services Sold Estimated Rent Commencement Date Development Projects Estimated Rent Commencement Date Number of properties sold. Debt Instrument [Table] Debt Instrument [Table] Name of Property Real Estate And Accumulated Depreciation Description Of Property [Axis] Name of Property Real Estate And Accumulated Depreciation Name Of Property [Domain] Houston, Texas [Member] Houston, Texas [Member] Houston Texas [Member] North cypress. North Cypress [Member] North Cypress [Member] California, Texas, and Oregon. California, Texas, and Oregon [Member] California Texas And Oregon [Member] Long-term acute care hospital. Long-term Acute Care Hospital [Member] Long Term Acute Care Hospital [Member] Receivable Type Accounts Notes Loans And Financing Receivable By Receivable Type [Axis] Receivable Receivable Type [Domain] Working capital loans. Working Capital Loans [Member] Working Capital Loans [Member] Vibra Healthcare, LLC. Vibra Healthcare, LLC [Member] Vibra Healthcare L L C [Member] Real Estate, Type of Property Mortgage Loans On Real Estate Description Type Of Property [Axis] Real Estate Mortgage Loans On Real Estate Name Property Type [Domain] St Joseph Medical Center [Member] St. Joseph Medical Center [Member] St Joseph Medical Center [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Number of properties sold Number Of Properties Sold Proceeds from sale of facilities Proceeds From Sale Of Real Estate Gain on real estate dispositions Disposal group including discontinued operation loss gain on write down. Gain offset by non-cash charges Disposal Group Including Discontinued Operation Loss Gain On Write Down Loans, Balance Loans Receivable Net Disposal group including discontinued operation property related expense. Disposal group including discontinued operation other income expense. Disposal Group Not Discontinued Operation Income Statement Disclosures [Abstract] Revenues Disposal Group Including Discontinued Operation Revenue Real estate depreciation and amortization Disposal Group Including Discontinued Operation Depreciation And Amortization Property-related expenses Disposal Group Including Discontinued Operation Property Related Expense Other Disposal Group Including Discontinued Operation Other Income Expense Income from real estate dispositions, net Disposal Group Including Discontinued Operation Gross Profit Loss Disposal group including discontinued operation straight line rent and other write offs. Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] Straight-line rent and other write-offs Disposal Group Including Discontinued Operation Straight Line Rent And Other Write Offs Number of direct financing leases. Prime facilities. Prime Facilities [Member] Prime Facilities [Member] Number of direct financing leases Number Of Direct Financing Leases Estimated residual values. Minimum lease payments receivable Capital Leases Future Minimum Payments Receivable Estimated residual values Estimated Residual Values Less: Unearned income Deferred Revenue Leases Net Net investment in direct financing leases Unbilled direct finance lease rent write off. Term of lease, years Write off of unbilled direct finance lease rent Unbilled Direct Finance Lease Rent Write Off Amortization of straight line rent receivable. Number of facilities transitioned. Adeptus health. Adeptus Health [Member] Adeptus Health [Member] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Amortization of straight line rent receivables Amortization Of Straight Line Rent Receivable Number of facilities transitioned Number Of Facilities Transitioned Percentage of investment in remaining transition facilities on assets. Number of transitioned facilities not re-leased. Number of re-leased properties. Number of properties re-leased Number Of Re Leased Properties Number of transitioned facilities not re-leased Number Of Transitioned Facilities Not Re Leased Percentage of investment in remaining transition facilities on total assets Percentage Of Investment In Remaining Transition Facilities On Assets Real estate impairment charge Gilbert and Florence facilities. Gilbert and Florence Facilities [Member] Gilbert And Florence Facilities [Member] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Total Gross Assets [Member] Assets Total [Member] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Credit Concentration Risk [Member] Credit Concentration Risk [Member] Total budgeted investment Investments Percentage of Total Gross Assets Concentration Risk Percentage1 Number of leased properties. Customer Concentration Risk Customer Concentration Risk [Member] Number of leased properties Number Of Leased Properties Loans [Line Items] Loans [Table] Loans [Table] Loans [Table] Acquisition loan. Acquisition Loans [Member] Acquisition Loan [Member] Working Capital and Other Loans [Member] Loans [Line Items] Loans [Line Items] Ernest Health Inc and other acquisitions. Ernest Transaction and Other Acquisitions [Member] Ernest Health Inc And Other Acquisitions [Member] Existing mortgage loans Mortgage Loans On Real Estate Number of investments. Maximum percentage of entity's assets invested on single property. Pro Forma [Member] Pro Forma [Member] Revenue. Revenue [Member] Revenue [Member] Steward. Steward [Member] Steward [Member] Prime Health Care Services. Prime [Member] Prime Health Care Services [Member] U.S. [Member] UNITED STATES Europe [Member] Europe [Member] Geographic Concentration [Member] Geographic Concentration Risk [Member] Revenue [Member] Sales Revenue Net [Member] Number of investment in property Number Of Investments Maximum percentage of entity's assets invested on single property Maximum Percentage Of Entitys Assets Invested On Single Property Percentage of revenue from affiliates of total revenue Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] Term loan. Term Loan [Member] Term Loan [Member] Four point zero zero zero percentage senior unsecured notes due two thousand twenty four. 4.000% Senior Unsecured Notes due 2022 [Member] Four Point Zero Zero Zero Percentage Senior Unsecured Notes Due Two Thousand Twenty Four [Member] Five point five zero zero percentage senior unsecured notes due two thousand twenty four. 5.500% Senior Unsecured Notes Due 2024 [Member] Five Point Five Zero Zero Percentage Senior Unsecured Notes Due Two Thousand Twenty Four [Member] Three point three two five percentage senior unsecured notes due two thousand and twenty five. 3.325% Senior Unsecured Notes Due 2025 [Member] Three Point Three Two Five Percentage Senior Unsecured Notes Due Two Thousand And Twenty Five [Member] Six point three seven five percentage senior unsecured notes due two thousand twenty four. 6.375% Senior Unsecured Notes due 2024 [Member] Six Point Three Seven Five Percentage Senior Unsecured Notes Due Two Thousand Twenty Four [Member] Five point two five zero percentage senior unsecured notes due two thousand twenty six. 5.250% Senior Unsecured Notes Due 2026 [Member] Five Point Two Five Zero Percentage Senior Unsecured Notes Due Two Thousand Twenty Six [Member] Five point zero zero zero percentage senior unsecured notes due two thousand twenty seven. 5.000% Senior Unsecured Notes Due 2027 [Member] Five Point Zero Zero Zero Percentage Senior Unsecured Notes Due Two Thousand Twenty Seven [Member] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Debt Debt Instrument Carrying Amount Debt issue costs, net Deferred Finance Costs Net Debt, net GBP-denominated Borrowings [Member] GBP-denominated Borrowings [Member] G B P Denominated Borrowings [Member] Senior unsecured notes, interest rate Debt Instrument Interest Rate Stated Percentage Long term Debt, Maturities, Repayments of Principal in Year Five and Thereafter 2018 Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year 2019 Long Term Debt Maturities Repayments Of Principal In Year Two 2020 Long Term Debt Maturities Repayments Of Principal In Year Three 2021 Long Term Debt Maturities Repayments Of Principal In Year Four 2022 Long Term Debt Maturities Repayments Of Principal In Year Five Thereafter Long Term Debt Maturities Repayments Of Principal In Year Five And Thereafter Total Long-term Debt, Type Longterm Debt Type [Axis] Long-term Debt, Type Longterm Debt Type [Domain] Secured Debt [Member] Secured Debt [Member] Unsecured Revolving Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Five point seven five zero percentage senior unsecured notes due two thousand and twenty. 5.750% Senior Unsecured Notes Due 2020 [Member] Five Point Seven Five Zero Percentage Senior Unsecured Notes Due Two Thousand And Twenty [Member] Six point three seven five percentage senior unsecured notes due two thousand twenty two. 6.375% Senior Unsecured Notes Due 2022 [Member] Six Point Three Seven Five Percentage Senior Unsecured Notes Due Two Thousand Twenty Two [Member] Lender Name Line Of Credit Facility [Axis] Line of Credit Facility, Lender Line Of Credit Facility Lender [Domain] JP Morgan Chase Bank. J P Morgan Chase Bank [Member] J P Morgan Chase Bank [Member] Proceeds from issuance of new secured debt Proceeds From Issuance Of Secured Debt Debt instrument term Debt Instrument Term Debt instrument swapped fixed rate Long Term Debt Percentage Bearing Fixed Interest Rate Decrease in unsecured debt from previous facility. Amount of senior unsecured debt Unsecured Debt Decrease in unsecured debt from previous facility Decrease In Unsecured Debt From Previous Facility Senior notes, redemption date Debt Instrument Redemption Period End Date Amount of senior unsecured debt redeemed Repayments Of Unsecured Debt Senior unsecured notes, redemption description Debt Instrument Redemption Description Senior unsecured notes face amount Debt Instrument Face Amount Prepaid and extinguished term loans Extinguishment Of Debt Amount Payments of term debt Cancellation fees Line Of Credit Facility Commitment Fee Amount Debt refinancing charge Percentage of dividends payable on basis of adjusted operating funds. Percentage of dividends payable on senior unsecured notes. Maximum percentage of unencumbered assets. Percentage of dividends which could be paid from adjusted operating funds Percentage Of Dividends Payable On Basis Of Adjusted Operating Funds Percentage of dividends which could be paid from operation funds Percentage Of Dividends Payable On Senior Unsecured Notes Maximum percentage of total unencumbered assets Maximum Percentage Of Unencumbered Assets Underwriters Purchase Of Shares To Cover Over Allotments. Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Public​ offering.​ Public Offering [Member] Public Offering [Member] Class of Stock [Line Items] Class Of Stock [Line Items] Additional shares purchased by underwriters Underwriters Purchase Of Shares To Cover Over Allotments Proceeds from sale of common shares / units, net of offering costs Number of other partners Ownership interest in equity Minority Interest Ownership Percentage By Parent Number of other partners Number Of Other Partners Number of units sold Partners Capital Account Units Sale Of Units Compensation Related Costs [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] Award Type Award Type [Axis] Equity Award Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity incentive plan member. Equity Incentive Plan [Member] Equity Incentive Plan [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Reserved shares of common stock for awards under the Equity Incentive Plan Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Common stock remaining for future stock awards transferred to the equity incentive plan Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Loans. Interest and rent receivables, Book value Loans, Book value Loans Debt, net Book value Interest and rent receivables, Fair value Receivables Fair Value Disclosure Loans, Fair value Loans Held For Sale Fair Value Disclosure Debt, net Fair value Long Term Debt Fair Value Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] Financial Instruments Measured At Fair Value On Recurring Basis [Table] Financial Instruments Measured At Fair Value On Recurring Basis [Table] Financial Instruments Measured At Fair Value On Recurring Basis [Table] Measurement Frequency Fair Value By Measurement Frequency [Axis] Fair Value, Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value Measurements, Recurring [Member] Fair Value Measurements Recurring [Member] Investment Investment [Axis] Investment Investment [Domain] Mortgage Loans [Member] Mortgage Loans [Member] Mortgage Loans [Member] Equity method investments and other loans. Equity Method Investment and Other Loans [Member] Equity Method Investments And Other Loans [Member] Other loans and other assets. Other Loans and Other Assets [Member] Other Loans And Other Assets [Member] Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] Fair Value Investment Owned At Fair Value Original Cost Investment Owned At Cost Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] 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] Unrealized gain/loss on investments Unrealized Gain Loss On Investments Net income less participating securities share in earnings. Schedule Of Earnings Per Share Basic By Common Class [Table] Schedule Of Earnings Per Share Basic By Common Class [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share Basic [Line Items] Participating securities’ share in earnings Undistributed Earning Allocated To Participating Securities Net income, less participating securities’ share in earnings Net Income Less Participating Securities Share In Earnings Basic weighted-average common shares Dilutive potential common shares Incremental Common Shares Attributable To Share Based Payment Arrangements Dilutive weighted-average common shares Business combination consideration expected to be receive at closing. Commitment And Contingencies [Line Items] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Rehabilitation Hospitals [Member] Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Consideration expected to be receive at closing Business Combination Consideration Expected To Be Receive At Closing Proceeds from sale of investment in operations under recapitalization agreement. Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Proceeds From Sale of Investment in Operations under Recapitalization Agreement Proceeds From Sale Of Investment In Operations Under Recapitalization Agreement