Condensed Consolidated Statements of Equity / Capital (Parenthetical) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Dividends (Distributions) declared per common share / unit	$ 0.27			$ 0.26			$ 0.81	$ 0.76
MPT Operating Partnership, L.P. [Member]
Dividends (Distributions) declared per common share / unit	0.27	$ 0.27	$ 0.27	0.26	$ 0.25	$ 0.25	$ 0.81	$ 0.76
MPT Operating Partnership, L.P. [Member] | General Partner [Member]
Dividends (Distributions) declared per common share / unit	0.27	0.27	0.27	0.26	0.25	0.25
Retained Earnings (Deficit) [Member]
Dividends (Distributions) declared per common share / unit	0.27	0.27	0.27	0.26	0.25	0.25
Common Par Value [Member] | MPT Operating Partnership, L.P. [Member] | Limited Partner [Member]
Dividends (Distributions) declared per common share / unit	$ 0.27	$ 0.27	$ 0.27	$ 0.26	$ 0.25	$ 0.25