Condensed Consolidated Statements of Equity / Capital - USD ($) shares in Thousands, $ in Thousands	Total	MPT Operating Partnership, L.P. [Member]	MPT Operating Partnership, L.P. [Member] General Partner [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Par Value [Member]	Common Par Value [Member] MPT Operating Partnership, L.P. [Member] Limited Partner [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Other Comprehensive Loss [Member] MPT Operating Partnership, L.P. [Member]	Non-Controlling Interests [Member]	Non-Controlling Interests [Member] MPT Operating Partnership, L.P. [Member]
Beginning balance at Dec. 31, 2020	$ 7,343,857	$ 7,344,247	$ 73,977		$ 541	$ 7,316,269	$ 7,460,726	$ 71,411	$ (51,324)	$ (51,324)	$ 5,325	$ 5,325
Beginning balance (in shares) at Dec. 31, 2020			5,414		541,353	535,939
Net income	163,880	163,880	$ 1,638			$ 162,145		163,783			97	97
Unrealized gain (loss) on interest rate swap, net of tax	15,504	15,504							15,504	15,504
Foreign currency translation gain (loss)	(30,900)	(30,900)							(30,900)	(30,900)
Stock (Unit) vesting and amortization of stock (unit)-based compensation	12,264	12,264	$ 123		$ 2	$ 12,141	12,262
Stock (Unit) vesting and amortization of stock (unit)-based compensation (shares)			17		1,741	1,724
Distributions to non-controlling interests	(193)	(193)									(193)	(193)
Proceeds from offering (net of offering costs)	779,241	779,241	$ 7,792		$ 40	$ 771,449	779,201
Proceeds from offering (net of offering costs) (shares)			399		39,949	39,550
Dividends (Distributions) declared	(163,443)	(163,443)	$ (1,634)			$ (161,809)		(163,443)
Ending balance at Mar. 31, 2021	8,120,210	8,120,600	$ 81,896		$ 583	$ 8,100,195	8,252,189	(71,071)	(66,720)	(66,720)	5,229	5,229
Ending balance (Accounting Standards Update 2016-13) at Mar. 31, 2021				$ (15,504)
Ending balance (in shares) at Mar. 31, 2021			5,830		583,043	577,213
Beginning balance at Dec. 31, 2021	8,445,671	8,446,061	$ 84,847		$ 597	$ 8,392,458	8,564,009	(87,691)	(36,727)	(36,727)	5,483	5,483
Beginning balance (in shares) at Dec. 31, 2021			5,968		596,748	590,780
Net income	631,947	631,947	$ 6,317			$ 625,364		631,681			266	266
Unrealized gain (loss) on interest rate swap, net of tax	44,932	44,932							44,932	44,932
Foreign currency translation gain (loss)	(13,215)	(13,215)							(13,215)	(13,215)
Stock (Unit) vesting and amortization of stock (unit)-based compensation	11,804	11,804	$ 118		$ 3	$ 11,686	11,801
Stock (Unit) vesting and amortization of stock (unit)-based compensation (shares)			31		3,107	3,076
Acquisition of non-controlling interest	929	929									929	929
Stock vesting - satisfaction of tax withholding	(27,919)	(27,919)	$ (279)		$ (1)	$ (27,640)	(27,918)
Stock vesting - satisfaction of tax withholding (Shares)			(12)		(1,179)	(1,167)
Distributions to non-controlling interests	(772)	(772)									(772)	(772)
Dividends (Distributions) declared	(174,018)	(174,018)	$ (1,740)			$ (172,278)		(174,018)
Ending balance at Mar. 31, 2022	$ 8,919,359	$ 8,919,749	$ 89,263		$ 599	$ 8,829,590	$ 8,547,892	$ 369,972	$ (5,010)	$ (5,010)	$ 5,906	$ 5,906
Ending balance (in shares) at Mar. 31, 2022			5,987		598,676	592,689