2.4.0.8135 - Disclosure - Debt - Principal Payments Due for Debt (Detail)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE631979--1310-Q0007_STD_0_20130630_0http://www.sec.gov/CIK0001287865instant2013-06-30T00:00:000001-01-01T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 1us-gaap_DebtDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Debt Disclosure [Abstract]2false 2mpw_LongTermDebtMaturitiesRepaymentsOfPrincipalInPreviousFiscalYearmpw_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse125000125USD$falsetruefalsexbrli:monetaryItemTypemonetaryLong Term Debt Maturities Repayments of Principal in Previous Fiscal YearNo definition available.false220133false 2us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonthsus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse266000266falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 false220144false 2us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwous-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse4028300040283falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 false220155false 2us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThreeus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse225299000225299falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 false220166false 2us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFourus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse320000320falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 false220177false 2mpw_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereaftermpw_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse662781000662781falsefalsefalsexbrli:monetaryItemTypemonetaryLong term Debt, Maturities, Repayments of Principal in Year Five and ThereafterNo definition available.false2Thereafter8false 2us-gaap_DebtInstrumentCarryingAmountus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse929074000929074USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 true2TotalfalseDebt - Principal Payments Due for Debt (Detail) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.medicalpropertiestrust.com/taxonomy/role/DisclosureDebtPrincipalPaymentsDueForDebt18