Applicable margin for term loans.

No definition available.

Name:	mpw_ApplicableMarginForTermLoans
Namespace Prefix:	mpw_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Commitment fee adjustment percentage.

+ References

No definition available.

+ Details

Name:	mpw_CommitmentFeeAdjustmentPercentage
Namespace Prefix:	mpw_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

Name:	us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Date the credit facility first became available, in YYYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInitiationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=mpw_AlternateBaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mpw_UnsecuredRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mpw_TermBenchmarkLoansOrRfrLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mpw_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mpw_TermBenchmarkLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - 2022 Activity - Additional Information (Detail) - USD ($) $ in Millions			9 Months Ended
	Jun. 29, 2022	May 06, 2022	Sep. 30, 2022	Mar. 15, 2022
Debt Instrument [Line Items]
Line of credit , entered date			Jul. 27, 2021
Debt instrument amendment extended maturity date description			The amendment extended the maturity date of our revolving facility to June 30, 2026 with our option to extend for an additional 12 months.
Commitment fee	0.25%
Line of credit facility, Borrowing capacity				$ 1,000
Alternate Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	0.00%
Unsecured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Increase in amount of credit facility		$ 500
Amount of senior unsecured debt		1,800
Debt instrument maturity date	Jun. 30, 2026
Line of credit facility, Borrowing capacity	$ 1,000
Unsecured Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Commitment fee	0.125%
Unsecured Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Commitment fee	0.30%
Unsecured Revolving Credit Facility [Member] \| Alternate Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	0.00%
Unsecured Revolving Credit Facility [Member] \| Alternate Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	0.50%
Unsecured Revolving Credit Facility [Member] \| Term Benchmark Loans or RFR Loans [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	0.80%
Unsecured Revolving Credit Facility [Member] \| Term Benchmark Loans or RFR Loans [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	1.50%
Term Loan [Member]
Debt Instrument [Line Items]
Amount of senior unsecured debt	$ 200	$ 200
Debt instrument maturity date	Jun. 30, 2027
Term Loan [Member] \| Alternate Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	0.70%
Term Loan [Member] \| Term Benchmark Loans [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	0.875%
Term Loan [Member] \| Term Benchmark Loans [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan	1.70%