Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2016	Dec. 31, 2015
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	500,000,000	500,000,000
Common stock, shares issued	309,792,000	236,744,000
Common stock, shares outstanding	309,792,000	236,744,000
MPT Operating Partnership, L.P. [Member] | Common Units [Member]
Limited Partners, units issued	306,697,000	234,381,000
Limited Partners, units outstanding	306,697,000	234,381,000
General Partner [Member] | MPT Operating Partnership, L.P. [Member]
General partner, units issued	3,095,000	2,363,000
General partner, units outstanding	3,095,000	2,363,000
LTIP Units [Member] | MPT Operating Partnership, L.P. [Member]
LTIP Units, shares issued	292,000	292,000
LTIP Units, shares outstanding	292,000	292,000