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]	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 (loss) gain	(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 (in shares) at Mar. 31, 2021			5,830	583,043	577,213
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	450,096	450,096
Unrealized gain (loss) on interest rate swap, net of tax	28,558	28,558
Foreign currency translation (loss) gain	(47,077)	(47,077)
Ending balance at Sep. 30, 2021	8,358,734	8,359,124	$ 84,312	$ 596	$ 8,339,256	8,540,315	(117,733)	(69,843)	(69,843)	5,399	5,399
Ending balance (in shares) at Sep. 30, 2021			5,962	596,079	590,117
Beginning 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
Beginning balance (in shares) at Mar. 31, 2021			5,830	583,043	577,213
Net income	114,821	114,821	$ 1,146		$ 113,419		114,565			256	256
Unrealized gain (loss) on interest rate swap, net of tax	4,207	4,207						4,207	4,207
Foreign currency translation (loss) gain	9,014	9,014						9,014	9,014
Stock (Unit) vesting and amortization of stock (unit)-based compensation	12,771	12,771	$ 128		$ 12,643	12,771
Stock (Unit) vesting and amortization of stock (unit)-based compensation (shares)			2	176	174
Distributions to non-controlling interests	(142)	(142)								(142)	(142)
Proceeds from offering (net of offering costs)	121,333	121,333	$ 1,213	$ 6	$ 120,120	121,327
Proceeds from offering (net of offering costs) (shares)			58	5,679	5,621
Dividends (Distributions) declared	(165,133)	(165,133)	$ (1,651)		$ (163,482)		(165,133)
Ending balance at Jun. 30, 2021	8,217,081	8,217,471	$ 82,732	$ 589	$ 8,182,895	8,386,287	(121,639)	(53,499)	(53,499)	5,343	5,343
Ending balance (in shares) at Jun. 30, 2021			5,890	588,898	583,008
Net income	171,395	171,395	$ 1,711		$ 169,426		171,137			258	258
Unrealized gain (loss) on interest rate swap, net of tax	8,847	8,847						8,847	8,847
Foreign currency translation (loss) gain	(25,191)	(25,191)						(25,191)	(25,191)
Stock (Unit) vesting and amortization of stock (unit)-based compensation	13,555	13,555	$ 136		$ 13,419	13,555
Stock (Unit) vesting and amortization of stock (unit)-based compensation (shares)			2	218	216
Distributions to non-controlling interests	(202)	(202)								(202)	(202)
Proceeds from offering (net of offering costs)	140,480	140,480	$ 1,405	$ 7	$ 139,075	140,473
Proceeds from offering (net of offering costs) (shares)			70	6,963	6,893
Dividends (Distributions) declared	(167,231)	(167,231)	$ (1,672)		$ (165,559)		(167,231)
Ending balance at Sep. 30, 2021	8,358,734	8,359,124	$ 84,312	$ 596	$ 8,339,256	8,540,315	(117,733)	(69,843)	(69,843)	5,399	5,399
Ending balance (in shares) at Sep. 30, 2021			5,962	596,079	590,117
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 (loss) gain	(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
Issuance 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
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	1,044,031	1,044,031
Unrealized gain (loss) on interest rate swap, net of tax	123,827	123,827
Foreign currency translation (loss) gain	(226,401)	(226,401)
Ending balance at Sep. 30, 2022	8,833,248	8,833,638	$ 89,790	$ 599	$ 8,881,683	8,537,145	433,339	(139,301)	(139,301)	1,466	1,466
Ending balance (in shares) at Sep. 30, 2022			5,990	598,983	592,993
Beginning 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
Beginning balance (in shares) at Mar. 31, 2022			5,987	598,676	592,689
Net income	190,064	190,064	$ 1,896		$ 187,701		189,597			467	467
Unrealized gain (loss) on interest rate swap, net of tax	25,920	25,920						25,920	25,920
Foreign currency translation (loss) gain	(104,341)	(104,341)						(104,341)	(104,341)
Stock (Unit) vesting and amortization of stock (unit)-based compensation	10,108	10,108	$ 101		$ 10,007	10,108
Stock (Unit) vesting and amortization of stock (unit)-based compensation (shares)			2	204	202
Stock vesting - satisfaction of tax withholding	(880)	(880)	$ (9)		$ (871)	(880)
Stock vesting - satisfaction of tax withholding (Shares)			(1)	(41)	(40)
Distributions to non-controlling interests	(335)	(335)								(335)	(335)
Dividends (Distributions) declared	(174,024)	(174,024)	$ (1,740)		$ (172,284)		(174,024)
Ending balance at Jun. 30, 2022	8,865,871	8,866,261	$ 89,511	$ 599	$ 8,854,143	8,557,120	385,545	(83,431)	(83,431)	6,038	6,038
Ending balance (in shares) at Jun. 30, 2022			5,988	598,839	592,851
Net income	222,020	222,020	$ 2,218		$ 219,575		221,793			227	227
Unrealized gain (loss) on interest rate swap, net of tax	52,975	52,975						52,975	52,975
Foreign currency translation (loss) gain	(108,845)	(108,845)						(108,845)	(108,845)
Stock (Unit) vesting and amortization of stock (unit)-based compensation	11,089	11,089	$ 111		$ 10,978	11,089
Stock (Unit) vesting and amortization of stock (unit)-based compensation (shares)			2	185	183
Acquisition of non-controlling interest	(35,022)	(35,022)	$ (304)		$ (30,124)	(30,428)				(4,594)	(4,594)
Stock vesting - satisfaction of tax withholding	(636)	(636)	(6)		$ (630)	(636)
Stock vesting - satisfaction of tax withholding (Shares)				41	(41)
Distributions to non-controlling interests	(205)	(205)								205	(205)
Dividends (Distributions) declared	(173,999)	(173,999)	(1,740)		$ (172,259)		173,999
Ending balance at Sep. 30, 2022	$ 8,833,248	$ 8,833,638	$ 89,790	$ 599	$ 8,881,683	$ 8,537,145	$ 433,339	$ (139,301)	$ (139,301)	$ 1,466	$ 1,466
Ending balance (in shares) at Sep. 30, 2022			5,990	598,983	592,993