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Schedule III - Real Estate Investments and Accumulated Depreciation (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 49,878us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances      
Initial costs, land 184,596us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand      
Initial costs, buildings 1,809,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements      
Additions subsequent to acquisition, Improvements 20,910us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements      
Additions subsequent to acquisition, carrying costs 25,979us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts      
Land at cost 192,551us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand      
Buildings at cost 1,848,176us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements      
Total at cost 2,040,727us-gaap_RealEstateGrossAtCarryingValue 1,733,194us-gaap_RealEstateGrossAtCarryingValue 1,189,552us-gaap_RealEstateGrossAtCarryingValue 1,191,096us-gaap_RealEstateGrossAtCarryingValue
Accumulated Depreciation 181,441us-gaap_RealEstateAccumulatedDepreciation 144,235us-gaap_RealEstateAccumulatedDepreciation 114,399us-gaap_RealEstateAccumulatedDepreciation 93,430us-gaap_RealEstateAccumulatedDepreciation
Baden-Wurttemburg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Initial costs, buildings 13,806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Additions subsequent to acquisition, Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Land at cost 382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Buildings at cost 14,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Total at cost 14,438us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Accumulated Depreciation 29us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Date of Construction 1988      
Date Acquired Dec. 11, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Saxony, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Initial costs, buildings 16,644us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Land at cost 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Buildings at cost 16,644us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Total at cost 17,244us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Accumulated Depreciation 451us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Date of Construction 1995      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Rhineland-Pflaz, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 6,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Initial costs, buildings 17,942us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Land at cost 6,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Buildings at cost 17,942us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Total at cost 24,440us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Accumulated Depreciation 486us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Date of Construction 1930      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Brandenburg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 386us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BrandenburgGermanyMember
     
Initial costs, buildings 19,908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BrandenburgGermanyMember
     
Land at cost 386us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BrandenburgGermanyMember
     
Buildings at cost 19,908us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BrandenburgGermanyMember
     
Total at cost 20,294us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BrandenburgGermanyMember
     
Accumulated Depreciation 539us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BrandenburgGermanyMember
     
Date of Construction 1994      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Hesse, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 3,428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Initial costs, buildings 16,488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Land at cost 3,428us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Buildings at cost 16,488us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Total at cost 19,916us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Accumulated Depreciation 447us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Date of Construction 1977      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Bavaria Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 2,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Initial costs, buildings 10,352us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Additions subsequent to acquisition, Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Land at cost 2,455us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Buildings at cost 10,568us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Total at cost 13,023us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Accumulated Depreciation 22us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BavariaGermanyMember
     
Date of Construction 1974      
Date Acquired Nov. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Thuringia Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 1,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Initial costs, buildings 37,772us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Land at cost 1,788us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Buildings at cost 37,772us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Total at cost 39,560us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Accumulated Depreciation 157us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Date of Construction 1954      
Date Acquired Nov. 05, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Bath, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 3,232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Initial costs, buildings 36,614us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Land at cost 3,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Buildings at cost 36,614us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Total at cost 39,846us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Accumulated Depreciation 458us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Date of Construction 2008      
Date Acquired Jul. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 4,757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Initial costs, buildings 56,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Additions subsequent to acquisition, Improvements (37)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Additions subsequent to acquisition, carrying costs 1,259us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Land at cost 5,427us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Buildings at cost 56,790us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Total at cost 62,217us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Accumulated Depreciation 11,427us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Date of Construction 2006      
Date Acquired Dec. 01, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Allen TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AllenTexasMember
     
Initial costs, buildings 3,847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AllenTexasMember
     
Land at cost 1,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AllenTexasMember
     
Buildings at cost 3,847us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AllenTexasMember
     
Total at cost 5,397us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AllenTexasMember
     
Accumulated Depreciation 47us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AllenTexasMember
     
Date of Construction 2014      
Date Acquired Jul. 14, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
San Diego, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 6,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Initial costs, buildings 15,653us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Additions subsequent to acquisition, carrying costs 77us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Land at cost 6,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Buildings at cost 15,730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Total at cost 22,280us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Accumulated Depreciation 3,013us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Date of Construction 1964      
Date Acquired May 09, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Alvin TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 105us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AlvinTexasMember
     
Initial costs, buildings 4,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AlvinTexasMember
     
Land at cost 105us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AlvinTexasMember
     
Buildings at cost 4,087us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AlvinTexasMember
     
Total at cost 4,192us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AlvinTexasMember
     
Accumulated Depreciation 53us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AlvinTexasMember
     
Date of Construction 2014      
Date Acquired Mar. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Bayonne, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 2,003us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BayonneNewJerseyMember
     
Initial costs, buildings 51,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BayonneNewJerseyMember
     
Land at cost 2,003us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BayonneNewJerseyMember
     
Buildings at cost 51,495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BayonneNewJerseyMember
     
Total at cost 53,498us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BayonneNewJerseyMember
     
Accumulated Depreciation 10,084us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BayonneNewJerseyMember
     
Date of Construction 1918      
Date Acquired Feb. 04, 2011      
Life on which depreciation in latest income statements is computed (Years) 20 years      
Bennettsville, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BennettsvilleSouthCarolinaMember
     
Initial costs, buildings 15,772us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BennettsvilleSouthCarolinaMember
     
Land at cost 794us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BennettsvilleSouthCarolinaMember
     
Buildings at cost 15,772us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BennettsvilleSouthCarolinaMember
     
Total at cost 16,566us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BennettsvilleSouthCarolinaMember
     
Accumulated Depreciation 2,662us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BennettsvilleSouthCarolinaMember
     
Date of Construction 1984      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BossierCityLosAngelesMember
     
Initial costs, buildings 17,818us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BossierCityLosAngelesMember
     
Land at cost 900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BossierCityLosAngelesMember
     
Buildings at cost 17,818us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BossierCityLosAngelesMember
     
Total at cost 18,718us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BossierCityLosAngelesMember
     
Accumulated Depreciation 3,004us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BossierCityLosAngelesMember
     
Date of Construction 1982      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Bristol, CT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Wellness Center      
Initial costs, land 485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BristolConnecticutMember
     
Initial costs, buildings 2,267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BristolConnecticutMember
     
Land at cost 485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BristolConnecticutMember
     
Buildings at cost 2,267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BristolConnecticutMember
     
Total at cost 2,752us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BristolConnecticutMember
     
Accumulated Depreciation 1,253us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BristolConnecticutMember
     
Date of Construction 1975      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 10 years      
Austin TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AustinTexasMember
     
Initial costs, buildings 3,909us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AustinTexasMember
     
Land at cost 1,140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AustinTexasMember
     
Buildings at cost 3,909us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AustinTexasMember
     
Total at cost 5,049us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AustinTexasMember
     
Accumulated Depreciation 64us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AustinTexasMember
     
Date of Construction 2014      
Date Acquired May 29, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Broomfield, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 825us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BroomfieldCoMember
     
Initial costs, buildings 3,116us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BroomfieldCoMember
     
Land at cost 825us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BroomfieldCoMember
     
Buildings at cost 3,116us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BroomfieldCoMember
     
Total at cost 3,941us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BroomfieldCoMember
     
Accumulated Depreciation 39us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BroomfieldCoMember
     
Date of Construction 2014      
Date Acquired Jul. 03, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Cedar Hill TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CedarHillTexasMember
     
Initial costs, buildings 3,583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CedarHillTexasMember
     
Land at cost 1,122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CedarHillTexasMember
     
Buildings at cost 3,583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CedarHillTexasMember
     
Total at cost 4,705us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CedarHillTexasMember
     
Accumulated Depreciation 50us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CedarHillTexasMember
     
Date of Construction 2014      
Date Acquired Jun. 23, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Spring, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpringTxMember
     
Initial costs, buildings 3,513us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpringTxMember
     
Land at cost 1,310us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpringTxMember
     
Buildings at cost 3,513us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpringTxMember
     
Total at cost 4,823us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpringTxMember
     
Accumulated Depreciation 40us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpringTxMember
     
Date of Construction 2014      
Date Acquired Jul. 15, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Cheraw, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CherawSouthCarolinaMember
     
Initial costs, buildings 19,576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CherawSouthCarolinaMember
     
Land at cost 657us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CherawSouthCarolinaMember
     
Buildings at cost 19,576us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CherawSouthCarolinaMember
     
Total at cost 20,233us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CherawSouthCarolinaMember
     
Accumulated Depreciation 3,303us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CherawSouthCarolinaMember
     
Date of Construction 1982      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Webster, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WebsterTexasMember
     
Initial costs, buildings 33,751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WebsterTexasMember
     
Land at cost 663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WebsterTexasMember
     
Buildings at cost 33,751us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WebsterTexasMember
     
Total at cost 34,414us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WebsterTexasMember
     
Accumulated Depreciation 3,375us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WebsterTexasMember
     
Date of Construction 2004      
Date Acquired Dec. 21, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Commerce City TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CommerceCityMember
     
Initial costs, buildings 3,518us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CommerceCityMember
     
Land at cost 707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CommerceCityMember
     
Buildings at cost 3,518us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CommerceCityMember
     
Total at cost 4,225us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CommerceCityMember
     
Accumulated Depreciation 6us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CommerceCityMember
     
Date of Construction 2014      
Date Acquired Dec. 11, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Corinth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 1,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Initial costs, buildings 21,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Additions subsequent to acquisition, Improvements 313us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Land at cost 1,601us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Buildings at cost 21,175us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Total at cost 22,776us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Accumulated Depreciation 2,120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CorinthTexasMember
     
Date of Construction 2008      
Date Acquired Jan. 31, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Covington, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 821us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Initial costs, buildings 10,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Additions subsequent to acquisition, carrying costs 14us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Land at cost 821us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Buildings at cost 10,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Total at cost 11,073us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Accumulated Depreciation 2,456us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_CovingtonLosAngelesMember
     
Date of Construction 1984      
Date Acquired Jun. 09, 2005      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 1,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Initial costs, buildings 13,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Additions subsequent to acquisition, carrying costs 368us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Land at cost 1,421us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Buildings at cost 13,536us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Total at cost 14,957us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Accumulated Depreciation 2,820us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DallasTexasMember
     
Date of Construction 2006      
Date Acquired Sep. 05, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
DeSoto, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 1,067us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Initial costs, buildings 10,701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Additions subsequent to acquisition, Improvements 86us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Additions subsequent to acquisition, carrying costs 8us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Land at cost 1,161us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Buildings at cost 10,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Total at cost 11,862us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Accumulated Depreciation 929us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DesotoTexasMember
     
Date of Construction 2008      
Date Acquired Jul. 18, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Detroit, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 1,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Initial costs, buildings 8,687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Additions subsequent to acquisition, carrying costs (365)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Land at cost 1,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Buildings at cost 8,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Total at cost 9,542us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Accumulated Depreciation 1,449us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DetroitMichiganMember
     
Date of Construction 1956      
Date Acquired May 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Dulles TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DullesTexasMember
     
Initial costs, buildings 3,384us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DullesTexasMember
     
Land at cost 1,076us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DullesTexasMember
     
Buildings at cost 3,384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DullesTexasMember
     
Total at cost 4,460us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DullesTexasMember
     
Accumulated Depreciation 28us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_DullesTexasMember
     
Date of Construction 2014      
Date Acquired Sep. 12, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Enfield, CT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Wellness Center      
Initial costs, land 384us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EnfieldConnecticutMember
     
Initial costs, buildings 2,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EnfieldConnecticutMember
     
Land at cost 384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EnfieldConnecticutMember
     
Buildings at cost 2,257us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EnfieldConnecticutMember
     
Total at cost 2,641us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EnfieldConnecticutMember
     
Accumulated Depreciation 1,248us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EnfieldConnecticutMember
     
Date of Construction 1974      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 10 years      
East Providence, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Wellness Center      
Initial costs, land 209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EastProvidenceRhodeIslandMember
     
Initial costs, buildings 1,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EastProvidenceRhodeIslandMember
     
Land at cost 209us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EastProvidenceRhodeIslandMember
     
Buildings at cost 1,265us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EastProvidenceRhodeIslandMember
     
Total at cost 1,474us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EastProvidenceRhodeIslandMember
     
Accumulated Depreciation 701us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_EastProvidenceRhodeIslandMember
     
Date of Construction 1979      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 10 years      
Fairmont CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Initial costs, buildings 12,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Additions subsequent to acquisition, Improvements 277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Land at cost 1,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Buildings at cost 12,301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Total at cost 13,578us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Date of Construction 1939      
Date Acquired Sep. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Firestone TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FirestoneTexasMember
     
Initial costs, buildings 3,951us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FirestoneTexasMember
     
Land at cost 495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FirestoneTexasMember
     
Buildings at cost 3,951us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FirestoneTexasMember
     
Total at cost 4,446us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FirestoneTexasMember
     
Accumulated Depreciation 58us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FirestoneTexasMember
     
Date of Construction 2014      
Date Acquired Jun. 06, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Florence, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FlorenceMember
     
Initial costs, buildings 28,462us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FlorenceMember
     
Land at cost 900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FlorenceMember
     
Buildings at cost 28,462us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FlorenceMember
     
Total at cost 29,362us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FlorenceMember
     
Accumulated Depreciation 1,947us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FlorenceMember
     
Date of Construction 2012      
Date Acquired Nov. 04, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Fort Lauderdale, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 3,499us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Initial costs, buildings 21,939us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Additions subsequent to acquisition, carrying costs 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Land at cost 3,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Buildings at cost 21,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Total at cost 25,439us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Accumulated Depreciation 3,664us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FortLauderdaleFloridaMember
     
Date of Construction 1985      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Fountain, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,508us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FountainCoMember
     
Initial costs, buildings 4,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FountainCoMember
     
Land at cost 1,508us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FountainCoMember
     
Buildings at cost 4,020us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FountainCoMember
     
Total at cost 5,528us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FountainCoMember
     
Accumulated Depreciation 42us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FountainCoMember
     
Date of Construction 2014      
Date Acquired Jul. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Frisco TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FriscoTexasMember
     
Initial costs, buildings 3,863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FriscoTexasMember
     
Land at cost 1,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FriscoTexasMember
     
Buildings at cost 3,863us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FriscoTexasMember
     
Total at cost 5,363us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FriscoTexasMember
     
Accumulated Depreciation 52us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FriscoTexasMember
     
Date of Construction 2014      
Date Acquired Jun. 13, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Garden Grove, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 5,502us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Initial costs, buildings 10,748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Additions subsequent to acquisition, carrying costs 51us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Land at cost 5,502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Buildings at cost 10,799us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Total at cost 16,301us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Accumulated Depreciation 1,655us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaMember
     
Date of Construction 1982      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Garden Grove, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Medical Office Building      
Initial costs, land 862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Initial costs, buildings 7,888us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Additions subsequent to acquisition, carrying costs 28us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Land at cost 862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Buildings at cost 7,916us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Total at cost 8,778us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Accumulated Depreciation 1,206us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GardenGroveCaliforniaTwoMember
     
Date of Construction 1982      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Gilbert, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GilbertArizonaMember
     
Initial costs, buildings 15,553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GilbertArizonaMember
     
Land at cost 150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GilbertArizonaMember
     
Buildings at cost 15,553us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GilbertArizonaMember
     
Total at cost 15,703us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GilbertArizonaMember
     
Accumulated Depreciation 1,555us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_GilbertArizonaMember
     
Date of Construction 2005      
Date Acquired Jan. 04, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Hammond LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HammondLosAngelesMember
     
Initial costs, buildings 8,941us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HammondLosAngelesMember
     
Land at cost 519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HammondLosAngelesMember
     
Buildings at cost 8,941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HammondLosAngelesMember
     
Total at cost 9,460us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HammondLosAngelesMember
     
Accumulated Depreciation 466us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HammondLosAngelesMember
     
Date of Construction 2003      
Date Acquired Dec. 14, 2012      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Hausman, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HausmanTxMember
     
Initial costs, buildings 8,958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HausmanTxMember
     
Land at cost 1,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HausmanTxMember
     
Buildings at cost 8,958us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HausmanTxMember
     
Total at cost 10,458us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HausmanTxMember
     
Accumulated Depreciation 386us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HausmanTxMember
     
Date of Construction 2013      
Date Acquired Mar. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Hill County, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HillCountyTexasMember
     
Initial costs, buildings 17,882us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HillCountyTexasMember
     
Land at cost 1,120us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HillCountyTexasMember
     
Buildings at cost 17,882us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HillCountyTexasMember
     
Total at cost 19,002us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HillCountyTexasMember
     
Accumulated Depreciation 5,095us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HillCountyTexasMember
     
Date of Construction 1980      
Date Acquired Sep. 17, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Hoboken, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,387us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HobokenNewJerseyMember
     
Initial costs, buildings 44,351us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HobokenNewJerseyMember
     
Land at cost 1,387us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HobokenNewJerseyMember
     
Buildings at cost 44,351us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HobokenNewJerseyMember
     
Total at cost 45,738us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HobokenNewJerseyMember
     
Accumulated Depreciation 6,951us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HobokenNewJerseyMember
     
Date of Construction 1863      
Date Acquired Nov. 04, 2011      
Life on which depreciation in latest income statements is computed (Years) 20 years      
Idaho Falls, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,822us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Initial costs, buildings 37,467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Additions subsequent to acquisition, carrying costs 4,665us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Land at cost 1,822us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Buildings at cost 42,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Total at cost 43,954us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Accumulated Depreciation 6,971us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_IdahoFallsIdahoMember
     
Date of Construction 2002      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Lafayette, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Initial costs, buildings 14,968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Additions subsequent to acquisition, Improvements (25)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Land at cost 800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Buildings at cost 14,943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Total at cost 15,743us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Accumulated Depreciation 702us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LafayetteInMember
     
Date of Construction 2013      
Date Acquired Feb. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Little Elm, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,241us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LittleElmTxMember
     
Initial costs, buildings 3,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LittleElmTxMember
     
Land at cost 1,241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LittleElmTxMember
     
Buildings at cost 3,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LittleElmTxMember
     
Total at cost 4,732us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LittleElmTxMember
     
Accumulated Depreciation 91us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LittleElmTxMember
     
Date of Construction 2013      
Date Acquired Dec. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Luling, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LulingTexasMember
     
Initial costs, buildings 9,345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LulingTexasMember
     
Land at cost 811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LulingTexasMember
     
Buildings at cost 9,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LulingTexasMember
     
Total at cost 10,156us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LulingTexasMember
     
Accumulated Depreciation 1,889us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_LulingTexasMember
     
Date of Construction 2002      
Date Acquired Dec. 01, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Mesa - AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 4,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Initial costs, buildings 97,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Additions subsequent to acquisition, Improvements 2,242us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Land at cost 7,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Buildings at cost 97,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Total at cost 105,122us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Accumulated Depreciation 3,249us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MesaArizonaMember
     
Date of Construction 2007      
Date Acquired Sep. 26, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Bloomington, IN        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 2,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Initial costs, buildings 28,212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Additions subsequent to acquisition, Improvements 5,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Additions subsequent to acquisition, carrying costs 408us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Land at cost 2,392us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Buildings at cost 33,620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Total at cost 36,012us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Accumulated Depreciation 6,599us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BloomingtonIndianaMember
     
Date of Construction 2006      
Date Acquired Aug. 08, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Montclair NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 7,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Initial costs, buildings 99,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Additions subsequent to acquisition, Improvements 585us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Land at cost 8,485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Buildings at cost 99,632us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Total at cost 108,117us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Accumulated Depreciation 1,897us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Date of Construction 1920      
Date Acquired Apr. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 351us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTxMember
     
Initial costs, buildings 3,952us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTxMember
     
Land at cost 351us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTxMember
     
Buildings at cost 3,952us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTxMember
     
Total at cost 4,303us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTxMember
     
Accumulated Depreciation 73us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTxMember
     
Date of Construction 2014      
Date Acquired Jan. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
New Braunfels, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 1,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewBraunfelsTexasMember
     
Initial costs, buildings 7,883us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewBraunfelsTexasMember
     
Land at cost 1,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewBraunfelsTexasMember
     
Buildings at cost 7,883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewBraunfelsTexasMember
     
Total at cost 8,983us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewBraunfelsTexasMember
     
Accumulated Depreciation 640us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewBraunfelsTexasMember
     
Date of Construction 2007      
Date Acquired Sep. 30, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Newington, CT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Wellness Center      
Initial costs, land 270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewingtonConnecticutMember
     
Initial costs, buildings 1,615us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewingtonConnecticutMember
     
Land at cost 270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewingtonConnecticutMember
     
Buildings at cost 1,615us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewingtonConnecticutMember
     
Total at cost 1,885us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewingtonConnecticutMember
     
Accumulated Depreciation 894us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NewingtonConnecticutMember
     
Date of Construction 1979      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 10 years      
Shenandoah, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 2,033us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShenandoahTexasMember
     
Initial costs, buildings 21,943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShenandoahTexasMember
     
Land at cost 2,033us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShenandoahTexasMember
     
Buildings at cost 21,943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShenandoahTexasMember
     
Total at cost 23,976us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShenandoahTexasMember
     
Accumulated Depreciation 2,469us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShenandoahTexasMember
     
Date of Construction 2008      
Date Acquired Jun. 17, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Colorado Springs CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ColoradoSpringsColoradoMember
     
Initial costs, buildings 4,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ColoradoSpringsColoradoMember
     
Land at cost 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ColoradoSpringsColoradoMember
     
Buildings at cost 4,222us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ColoradoSpringsColoradoMember
     
Total at cost 4,822us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ColoradoSpringsColoradoMember
     
Accumulated Depreciation 62us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ColoradoSpringsColoradoMember
     
Date of Construction 2014      
Date Acquired Jun. 05, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Northland, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NorthlandMissouriMember
     
Initial costs, buildings 17,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NorthlandMissouriMember
     
Land at cost 834us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NorthlandMissouriMember
     
Buildings at cost 17,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NorthlandMissouriMember
     
Total at cost 18,016us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NorthlandMissouriMember
     
Accumulated Depreciation 1,683us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_NorthlandMissouriMember
     
Date of Construction 2007      
Date Acquired Feb. 14, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Altoona, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, buildings 27,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AltoonaWiMember
     
Buildings at cost 27,650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AltoonaWiMember
     
Total at cost 27,650us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AltoonaWiMember
     
Accumulated Depreciation 241us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AltoonaWiMember
     
Date of Construction 2014      
Date Acquired Aug. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Ogden UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 1,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OgdenUttahMember
     
Initial costs, buildings 16,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OgdenUttahMember
     
Land at cost 1,759us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OgdenUttahMember
     
Buildings at cost 16,414us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OgdenUttahMember
     
Total at cost 18,173us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OgdenUttahMember
     
Accumulated Depreciation 328us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OgdenUttahMember
     
Date of Construction 2014      
Date Acquired Mar. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Overlook, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 2,452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Initial costs, buildings 9,666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Additions subsequent to acquisition, Improvements 7us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Land at cost 2,452us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Buildings at cost 9,673us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Total at cost 12,125us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Accumulated Depreciation 440us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_OverlookTxMember
     
Date of Construction 2012      
Date Acquired Feb. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Pearland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,075us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PearlandTxMember
     
Initial costs, buildings 3,272us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PearlandTxMember
     
Land at cost 1,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PearlandTxMember
     
Buildings at cost 3,272us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PearlandTxMember
     
Total at cost 4,347us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PearlandTxMember
     
Accumulated Depreciation 27us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PearlandTxMember
     
Date of Construction 2014      
Date Acquired Sep. 08, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Petersburg, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 1,302us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PetersburgVirginiaMember
     
Initial costs, buildings 9,121us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PetersburgVirginiaMember
     
Land at cost 1,302us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PetersburgVirginiaMember
     
Buildings at cost 9,121us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PetersburgVirginiaMember
     
Total at cost 10,423us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PetersburgVirginiaMember
     
Accumulated Depreciation 1,482us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PetersburgVirginiaMember
     
Date of Construction 2006      
Date Acquired Jul. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Poplar Bluff, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 2,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Initial costs, buildings 38,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Additions subsequent to acquisition, carrying costs 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Land at cost 2,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Buildings at cost 38,694us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Total at cost 41,354us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Accumulated Depreciation 6,462us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PoplarBluffMissouriMember
     
Date of Construction 1980      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Port Arthur, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 3,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Initial costs, buildings 72,341us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Additions subsequent to acquisition, Improvements 1,062us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Land at cost 4,062us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Buildings at cost 72,341us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Total at cost 76,403us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Accumulated Depreciation 2,349us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortArthurTxMember
     
Date of Construction 2005      
Date Acquired Sep. 26, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Portland, OR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 3,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Initial costs, buildings 17,859us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Additions subsequent to acquisition, carrying costs 2,559us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Land at cost 3,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Buildings at cost 20,432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Total at cost 23,503us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Accumulated Depreciation 3,869us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PortlandOregonMember
     
Date of Construction 1964      
Date Acquired Apr. 18, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Post Falls, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 417us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Initial costs, buildings 12,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Additions subsequent to acquisition, Improvements 1,905us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Land at cost 767us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Buildings at cost 13,730us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Total at cost 14,497us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Accumulated Depreciation 352us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_PostfallsIdahoMember
     
Date of Construction 2013      
Date Acquired Dec. 31, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Redding, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, buildings 19,952us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Additions subsequent to acquisition, carrying costs 4,361us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Land at cost 1,629us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Buildings at cost 22,684us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Total at cost 24,313us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Accumulated Depreciation 5,189us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Date of Construction 1991      
Date Acquired Jun. 30, 2005      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Richardson, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 2,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RichardsonTexasMember
     
Initial costs, buildings 17,419us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RichardsonTexasMember
     
Land at cost 2,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RichardsonTexasMember
     
Buildings at cost 17,419us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RichardsonTexasMember
     
Total at cost 19,638us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RichardsonTexasMember
     
Accumulated Depreciation 1,960us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RichardsonTexasMember
     
Date of Construction 2008      
Date Acquired Jun. 17, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Addison, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 2,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AddisonTexasMember
     
Initial costs, buildings 22,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AddisonTexasMember
     
Land at cost 2,013us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AddisonTexasMember
     
Buildings at cost 22,531us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AddisonTexasMember
     
Total at cost 24,544us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AddisonTexasMember
     
Accumulated Depreciation 2,535us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AddisonTexasMember
     
Date of Construction 2008      
Date Acquired Jun. 17, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
San Dimas, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Medical Office Building      
Initial costs, land 1,915us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Initial costs, buildings 5,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Additions subsequent to acquisition, carrying costs 18us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Land at cost 1,915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Buildings at cost 5,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Total at cost 7,018us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Accumulated Depreciation 778us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Date of Construction 1979      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Sherman TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 4,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Initial costs, buildings 24,802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Land at cost 4,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Buildings at cost 24,802us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Total at cost 29,293us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Accumulated Depreciation 109us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Date of Construction 1913      
Date Acquired Oct. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Sienna, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SiennaTexasMember
     
Initial costs, buildings 3,562us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SiennaTexasMember
     
Land at cost 999us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SiennaTexasMember
     
Buildings at cost 3,562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SiennaTexasMember
     
Total at cost 4,561us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SiennaTexasMember
     
Accumulated Depreciation 37us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SiennaTexasMember
     
Date of Construction 2014      
Date Acquired Aug. 20, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Spartanburg, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 1,135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpartanburgScMember
     
Initial costs, buildings 15,717us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpartanburgScMember
     
Land at cost 1,135us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpartanburgScMember
     
Buildings at cost 15,717us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpartanburgScMember
     
Total at cost 16,852us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpartanburgScMember
     
Accumulated Depreciation 538us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SpartanburgScMember
     
Date of Construction 2013      
Date Acquired Aug. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Thornton CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThorntonColoradoMember
     
Initial costs, buildings 3,793us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThorntonColoradoMember
     
Land at cost 1,350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThorntonColoradoMember
     
Buildings at cost 3,793us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThorntonColoradoMember
     
Total at cost 5,143us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThorntonColoradoMember
     
Accumulated Depreciation 32us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThorntonColoradoMember
     
Date of Construction 2014      
Date Acquired Aug. 29, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Tomball, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 1,299us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_TomballTexasMember
     
Initial costs, buildings 23,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_TomballTexasMember
     
Land at cost 1,299us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_TomballTexasMember
     
Buildings at cost 23,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_TomballTexasMember
     
Total at cost 25,281us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_TomballTexasMember
     
Accumulated Depreciation 2,398us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_TomballTexasMember
     
Date of Construction 2005      
Date Acquired Dec. 21, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Victoria, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land 625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Initial costs, buildings 7,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Land at cost 625us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Buildings at cost 7,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Total at cost 7,822us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Accumulated Depreciation 1,454us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Date of Construction 1998      
Date Acquired Dec. 01, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Anaheim, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,875us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Initial costs, buildings 21,814us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Additions subsequent to acquisition, carrying costs 10us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Land at cost 1,875us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Buildings at cost 21,824us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Total at cost 23,699us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Accumulated Depreciation 4,455us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_AnaheimCaliforniaMember
     
Date of Construction 1964      
Date Acquired Nov. 08, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Warwick, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Wellness Center      
Initial costs, land 1,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WarwickRhodeIslandMember
     
Initial costs, buildings 759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WarwickRhodeIslandMember
     
Land at cost 1,265us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WarwickRhodeIslandMember
     
Buildings at cost 759us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WarwickRhodeIslandMember
     
Total at cost 2,024us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WarwickRhodeIslandMember
     
Accumulated Depreciation 420us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WarwickRhodeIslandMember
     
Date of Construction 1979      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 10 years      
West Monroe, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 12,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Initial costs, buildings 69,433us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Additions subsequent to acquisition, Improvements 552us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Land at cost 12,552us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Buildings at cost 69,433us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Total at cost 81,985us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Accumulated Depreciation 2,216us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestMonroeLaMember
     
Date of Construction 1962      
Date Acquired Sep. 26, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 2,248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTexasMember
     
Initial costs, buildings 5,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTexasMember
     
Land at cost 2,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTexasMember
     
Buildings at cost 5,880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTexasMember
     
Total at cost 8,128us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTexasMember
     
Accumulated Depreciation 314us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanAntonioTexasMember
     
Date of Construction 2012      
Date Acquired Oct. 14, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
West Valley City, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 5,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestValleyCityUtahMember
     
Initial costs, buildings 58,314us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestValleyCityUtahMember
     
Land at cost 5,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestValleyCityUtahMember
     
Buildings at cost 58,314us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestValleyCityUtahMember
     
Total at cost 63,830us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestValleyCityUtahMember
     
Accumulated Depreciation 9,738us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestValleyCityUtahMember
     
Date of Construction 1980      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Wichita, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,678us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Type of property Rehabilitation hospital      
Initial costs, land 1,019us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Initial costs, buildings 18,373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Additions subsequent to acquisition, carrying costs 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Land at cost 1,019us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Buildings at cost 18,374us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Total at cost 19,393us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Accumulated Depreciation 3,100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WichitaKansasMember
     
Date of Construction 1992      
Date Acquired Apr. 04, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
West Springfield, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Wellness Center      
Initial costs, land 583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestSpringfieldMassachusettsMember
     
Initial costs, buildings 3,185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestSpringfieldMassachusettsMember
     
Land at cost 583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestSpringfieldMassachusettsMember
     
Buildings at cost 3,185us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestSpringfieldMassachusettsMember
     
Total at cost 3,768us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestSpringfieldMassachusettsMember
     
Accumulated Depreciation 1,765us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_WestSpringfieldMassachusettsMember
     
Date of Construction 1976      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 10 years      
1994 [Member] | Baden-Wurttemburg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, buildings 10,536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Buildings at cost 10,536us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Total at cost 10,536us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Accumulated Depreciation 285us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Date of Construction 1994      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1996 [Member] | Saxony, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 415us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Initial costs, buildings 22,849us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Land at cost 415us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Buildings at cost 22,849us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Total at cost 23,264us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Accumulated Depreciation 619us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Date of Construction 1996      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1960 [Member] | Rhineland-Pflaz, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 3,536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Initial costs, buildings 16,716us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Land at cost 3,536us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Buildings at cost 16,716us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Total at cost 20,252us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Accumulated Depreciation 453us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Date of Construction 1960      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1960 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 3,501us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Initial costs, buildings 34,530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Additions subsequent to acquisition, Improvements 8,477us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Additions subsequent to acquisition, carrying costs 12,468us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Land at cost 3,274us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Buildings at cost 55,702us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Total at cost 58,976us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Accumulated Depreciation 6,432us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Date of Construction 1960      
Date Acquired Aug. 10, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1960 [Member] | Sherman TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 4,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Initial costs, buildings 24,802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Land at cost 4,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Buildings at cost 24,802us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Total at cost 29,293us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Accumulated Depreciation 109us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSixtyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Date of Construction 1960      
Date Acquired Oct. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1981 [Member] | Hesse, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 102us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyOneMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Initial costs, buildings 5,832us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyOneMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Land at cost 102us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyOneMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Buildings at cost 5,832us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyOneMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Total at cost 5,934us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyOneMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Accumulated Depreciation 158us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyOneMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HesseGermanyMember
     
Date of Construction 1981      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1992 [Member] | Rhineland-Pflaz, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, buildings 33,081us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Buildings at cost 33,081us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Total at cost 33,081us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Accumulated Depreciation 896us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Date of Construction 1992      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1992 [Member] | Thuringia Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 1,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Initial costs, buildings 37,772us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Land at cost 1,788us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Buildings at cost 37,772us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Total at cost 39,560us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Accumulated Depreciation 157us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ThuringiaGermanyMember
     
Date of Construction 1992      
Date Acquired Nov. 05, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1904 [Member] | Saxony, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Initial costs, buildings 16,644us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Land at cost 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Buildings at cost 16,644us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Total at cost 17,244us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Accumulated Depreciation 451us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SaxonyGermanyMember
     
Date of Construction 1904      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1980 [Member] | Rhineland-Pflaz, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Initial costs, buildings 7,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Land at cost 811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Buildings at cost 7,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Total at cost 8,101us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Accumulated Depreciation 197us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_RhinelandPflazGermanyMember
     
Date of Construction 1980      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Nineteen Eighty Six [Member] | Baden-Wurttemburg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 3,809us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Initial costs, buildings 6,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Land at cost 3,809us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Buildings at cost 6,490us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Total at cost 10,299us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenEightySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Accumulated Depreciation 176us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenEightySixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Date of Construction 1986      
Date Acquired Nov. 30, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1995 [Member] | Baden-Wurttemburg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land 382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Initial costs, buildings 13,806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Additions subsequent to acquisition, Improvements 250us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Land at cost 382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Buildings at cost 14,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Total at cost 14,438us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Accumulated Depreciation 29us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenNinetyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BadenWurttemburgGermanyMember
     
Date of Construction 1995      
Date Acquired Dec. 11, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2009 [Member] | Bath, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 3,232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandNineMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Initial costs, buildings 36,614us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandNineMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Land at cost 3,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandNineMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Buildings at cost 36,614us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandNineMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Total at cost 39,846us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_TwoThousandNineMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Accumulated Depreciation 458us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_TwoThousandNineMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_BathUnitedKingdomMember
     
Date of Construction 2009      
Date Acquired Jul. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1973 [Member] | San Diego, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 12,663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyThreeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Initial costs, buildings 52,432us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyThreeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Land at cost 12,663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyThreeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Buildings at cost 52,432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyThreeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Total at cost 65,095us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyThreeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Accumulated Depreciation 5,134us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyThreeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDiegoCaliforniaTwoMember
     
Date of Construction 1973      
Date Acquired Feb. 09, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land 1,345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandFourteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Initial costs, buildings 3,668us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandFourteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Land at cost 1,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandFourteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Buildings at cost 3,668us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandFourteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Total at cost 5,013us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_TwoThousandFourteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Accumulated Depreciation 53us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_TwoThousandFourteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember
     
Date of Construction 2014      
Date Acquired Jun. 20, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1972 [Member] | Fairmont CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Initial costs, buildings 12,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Additions subsequent to acquisition, Improvements 277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Land at cost 1,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Buildings at cost 12,301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Total at cost 13,578us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Date of Construction 1972      
Date Acquired Sep. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1972 [Member] | San Dimas, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 6,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Initial costs, buildings 6,839us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Additions subsequent to acquisition, carrying costs 34us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Land at cost 6,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Buildings at cost 6,873us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Total at cost 13,033us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Accumulated Depreciation 1,046us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyTwoMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_SanDimasCaliforniaMember
     
Date of Construction 1972      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | Fairmont CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Initial costs, buildings 12,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Additions subsequent to acquisition, Improvements 277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Land at cost 1,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Buildings at cost 12,301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Total at cost 13,578us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenEightyFiveMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_FairmontCaliforniaMember
     
Date of Construction 1985      
Date Acquired Sep. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2000 [Member] | Montclair NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 7,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Initial costs, buildings 99,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Additions subsequent to acquisition, Improvements 585us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Land at cost 8,485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Buildings at cost 99,632us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Total at cost 108,117us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Accumulated Depreciation 1,897us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_TwoThousandMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_MontclairNewJerseyMember
     
Date of Construction 2000      
Date Acquired Apr. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1974 [Member] | Redding, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 1,555us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Initial costs, buildings 53,863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Additions subsequent to acquisition, carrying costs 13us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Land at cost 1,555us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Buildings at cost 53,876us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Total at cost 55,431us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Accumulated Depreciation 9,999us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_NineteenSeventyFourMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ReddingCaliforniaMember
     
Date of Construction 1974      
Date Acquired Aug. 10, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2010 [Member] | Sherman TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land 4,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandTenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Initial costs, buildings 24,802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandTenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Land at cost 4,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_AwardDateAxis
= mpw_TwoThousandTenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Buildings at cost 24,802us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandTenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Total at cost 29,293us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_TwoThousandTenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Accumulated Depreciation 109us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_TwoThousandTenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_ShermanTexasMember
     
Date of Construction 2010      
Date Acquired Oct. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2013 [Member] | Victoria, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, buildings 10,412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandThirteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Buildings at cost 10,412us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_AwardDateAxis
= mpw_TwoThousandThirteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Total at cost 10,412us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_AwardDateAxis
= mpw_TwoThousandThirteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Accumulated Depreciation 254us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_AwardDateAxis
= mpw_TwoThousandThirteenMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_VictoriaTexasMember
     
Date of Construction 2013      
Date Acquired Dec. 31, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Two Thousand And Six [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 41,200us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_AwardDateAxis
= mpw_TwoThousandAndSixMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= mpw_HoustonTexasMember