Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	598,302,000	597,476,000
Common stock, shares outstanding	598,302,000	597,476,000
General Partner [Member] | MPT Operating Partnership, L.P. [Member]
General partner, units issued	5,984,000	5,976,000
General partner, units outstanding	5,984,000	5,976,000
Common Units | MPT Operating Partnership, L.P. [Member]
Limited Partners, units issued	592,318,000	591,500,000
Limited Partners, units outstanding	592,318,000	591,500,000