Earnings Per Share/Unit - Calculation of Earnings Per Share (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (319,659)	$ (875,377)	$ (42,433)	$ 33,030	$ (1,195,036)	$ (9,403)
Non-controlling interests' share in net (income) loss	(976)		396		(1,224)	160
Participating securities’ share in earnings	(654)		(469)		(654)	(984)
Net loss, less participating securities' share in earnings	$ (321,289)		$ (42,506)		$ (1,196,914)	$ (10,227)
Basic weighted-average common shares	600,057		598,344		600,181	598,323
Dilutive potential common shares	0		0		0	0
Diluted weighted-average common shares	600,057		598,344		600,181	598,323
MPT Operating Partnership, L.P. [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (319,659)	$ (875,377)	$ (42,433)	$ 33,030	$ (1,195,036)	$ (9,403)
Non-controlling interests' share in net (income) loss	(976)		396		(1,224)	160
Participating securities’ share in earnings	(654)		(469)		(654)	(984)
Net loss, less participating securities' share in earnings	$ (321,289)		$ (42,506)		$ (1,196,914)	$ (10,227)
Basic weighted-average common shares	600,057		598,344		600,181	598,323
Dilutive potential common shares	0		0		0	0
Diluted weighted-average common shares	600,057		598,344		600,181	598,323