Condensed Consolidated Statements of Equity / Capital (Parenthetical) - $ / shares	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Dividends (Distributions) declared per common share / unit	$ 0.28		$ 0.27		$ 0.56	$ 0.54
MPT Operating Partnership, L.P. [Member]
Dividends (Distributions) declared per common share / unit	0.28	$ 0.28	0.27	$ 0.27	$ 0.56	$ 0.54
MPT Operating Partnership, L.P. [Member] | General Partner [Member]
Dividends (Distributions) declared per common share / unit	0.28	0.28	0.27	0.27
Retained Earnings (Deficit) [Member]
Dividends (Distributions) declared per common share / unit	0.28	0.28	0.27	0.27
Common Par Value [Member] | MPT Operating Partnership, L.P. [Member] | Limited Partner [Member]
Dividends (Distributions) declared per common share / unit	$ 0.28	$ 0.28	$ 0.27	$ 0.27