Extended lease maturity year.

No definition available.

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Namespace Prefix:	mpw_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Leaseback initial term period.

+ References

No definition available.

+ Details

Name:	mpw_LeasebackInitialTermPeriod
Namespace Prefix:	mpw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease extension period.

+ References

No definition available.

+ Details

Name:	mpw_LeaseExtensionPeriod
Namespace Prefix:	mpw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease maturity year.

+ References

No definition available.

+ Details

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Namespace Prefix:	mpw_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease period.

+ References

No definition available.

+ Details

Name:	mpw_LeasePeriod
Namespace Prefix:	mpw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of extension options in current lease contract.

+ References

No definition available.

+ Details

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Namespace Prefix:	mpw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of rental rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	mpw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-10.(c)(7)(ii))

-URI http://asc.fasb.org/extlink&oid=27015464&loc=d3e511914-122862

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 10

-Paragraph c

-Subparagraph 3(ii)(A)

-Article 4

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Term of the lessor's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

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Real Estate and Lending Activities - 2013 Activity - Additional Information (Detail) (2013 Activity [Member], USD $) In Millions, unless otherwise specified	9 Months Ended		9 Months Ended				0 Months Ended	9 Months Ended	0 Months Ended	9 Months Ended
	Sep. 30, 2014 Ernest [Member]	Sep. 30, 2014 Term Loan [Member] Ernest [Member]	Sep. 30, 2014 Maximum [Member] Ernest [Member]	Sep. 30, 2014 Minimum [Member] Ernest [Member]	Jul. 18, 2013 Corpus Christi Rehabilitation Hospital [Member]	Jul. 18, 2013 Corpus Christi Rehabilitation Hospital [Member] Commitment [Member]	Jul. 11, 2013 Acute Care Hospital [Member] Kansas [Member] Facility RenewalOptions	Sep. 30, 2014 Acute Care Hospital [Member] Kansas [Member]	Sep. 26, 2013 Acute Care Hospital [Member] Isasis Healthcare LLC [Member] Facility RenewalOptions	Sep. 30, 2014 Acute Care Hospital [Member] Isasis Healthcare LLC [Member]	Sep. 30, 2014 Acute Care Hospital [Member] Isasis Healthcare LLC [Member] Maximum [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired							2		3
Purchase price of acquisition					$ 10.5	$ 0.5			$ 281.3
Initial leaseback term										15 years
Number of lease extension options in current lease contract							2		2
Maximum rent increase percent			5.00%	2.00%			2.00%				2.50%
Lease renewal option										5 years
Lease maturity year										2019
Extended lease maturity year										2028
Term of lease, years	20 years							10 years
Term of lease extension, years			5 years	3 years				5 years
Loan on property		5.3
Acquisition costs							$ 75