Consolidated Statements of Equity / Capital (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
MPT Operating Partnership, L.P. [Member]
Dividends (Distributions) declared per common share / unit	$ 1.12	$ 1.08	$ 1.02
MPT Operating Partnership, L.P. [Member] | General Partner [Member]
Dividends (Distributions) declared per common share / unit	1.12	1.08	1.02
Retained Earnings (Deficit) [Member]
Dividends (Distributions) declared per common share / unit	1.12	1.08	1.02
Common Par Value [Member] | MPT Operating Partnership, L.P. [Member] | Limited Partner [Member]
Dividends (Distributions) declared per common share / unit	$ 1.12	$ 1.08	$ 1.02