Fair Value of Financial Instruments - Additional Information (Detail) $ in Thousands		3 Months Ended			9 Months Ended
	Jul. 01, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2025 USD ($) Health_Center	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Unfavorable fair market value adjustment on investment					$ 167,000	$ 720,000
Real estate impairment charges			$ 500,000	$ 225,000
Investments in unconsolidated operating entities					319,192		$ 439,578
Proceeds from sale of investments					$ 100,000
PHP Holdings [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Discount for lack of marketability percentage on Springstone equity investment							14.20%
Unfavorable fair market value adjustment on investment						498,000
Steward's Equity [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Equity investments percentage					9.90%
Wrote down, equity interest value			$ 0
Impairment charge, working capital loans and other secured loans		$ 425,000
Steward's Equity [Member] \| Equity Securities [Member] \| International Joint Venture [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Remaining equity investment percentage					90.10%
Space Coast Facilities [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Real estate impairment charges		$ 180,000
PHP Holdings Equity Investment [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Proceeds from sale of investments	$ 2,300
Steward and International Joint Venture [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Unfavorable fair market value adjustment on investment						$ 225,000
Fair Value, Recurring [Member] \| Colombia [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Number of facilities acquired \| Health_Center					3
Maximum [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Market capitalization percentage			10.00%
Minimum [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Market capitalization percentage			7.00%
Minimum [Member] \| Steward's Equity [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Impairment charge, working capital loans and other secured loans				$ 600,000
Level 3 [Member] \| Maximum [Member] \| Discount Rate [Member] \| Steward's Equity [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Investments measurement input					0.16
Level 3 [Member] \| Weighted Average [Member] \| Discount Rate [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Investments measurement input					0.1503
Level 3 [Member] \| Minimum [Member] \| Discount Rate [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Investments measurement input					0.15

MEDICAL PROPERTIES TRUST INC 10-Q