Consolidated Statements of Net Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Rent billed	$ 931,942	$ 741,311	$ 474,151
Straight-line rent	241,433	158,881	110,456
Income from financing leases	202,599	206,550	119,617
Interest and other income	168,695	142,496	149,973
Total revenues	1,544,669	1,249,238	854,197
Expenses
Interest	367,393	328,728	237,830
Real estate depreciation and amortization	321,249	264,245	152,313
Property-related	39,098	24,890	23,992
General and administrative	145,638	131,663	96,411
Total expenses	873,378	749,526	510,546
Other income (expense)
Gain (loss) on sale of real estate	52,471	(2,833)	41,560
Real estate impairment charges		(19,006)	(21,031)
Earnings from equity interests	28,488	20,417	16,051
Debt refinancing and unutilized financing costs	(27,650)	(28,180)	(6,106)
Other (including mark-to-market adjustments on equity securities)	6,288	(6,782)	(345)
Total other income (expense)	59,597	(36,384)	30,129
Income before income tax	730,888	463,328	373,780
Income tax (expense) benefit	(73,948)	(31,056)	2,621
Net income	656,940	432,272	376,401
Net income attributable to non-controlling interests	(919)	(822)	(1,717)
Net income attributable to MPT common stockholders (Operating Partnership partners)	$ 656,021	$ 431,450	$ 374,684
Earnings per common share — basic and diluted
Net income attributable to MPT common stockholders (Operating Partnership partners)	$ 1.11	$ 0.81	$ 0.87
Weighted average shares (units) outstanding basic	588,817	529,239	427,075
Weighted average shares (units) outstanding diluted	590,139	530,461	428,299
MPT Operating Partnership, L.P. [Member]
Revenues
Rent billed	$ 931,942	$ 741,311	$ 474,151
Straight-line rent	241,433	158,881	110,456
Income from financing leases	202,599	206,550	119,617
Interest and other income	168,695	142,496	149,973
Total revenues	1,544,669	1,249,238	854,197
Expenses
Interest	367,393	328,728	237,830
Real estate depreciation and amortization	321,249	264,245	152,313
Property-related	39,098	24,890	23,992
General and administrative	145,638	131,663	96,411
Total expenses	873,378	749,526	510,546
Other income (expense)
Gain (loss) on sale of real estate	52,471	(2,833)	41,560
Real estate impairment charges		(19,006)	(21,031)
Earnings from equity interests	28,488	20,417	16,051
Debt refinancing and unutilized financing costs	(27,650)	(28,180)	(6,106)
Other (including mark-to-market adjustments on equity securities)	6,288	(6,782)	(345)
Total other income (expense)	59,597	(36,384)	30,129
Income before income tax	730,888	463,328	373,780
Income tax (expense) benefit	(73,948)	(31,056)	2,621
Net income	656,940	432,272	376,401
Net income attributable to non-controlling interests	(919)	(822)	(1,717)
Net income attributable to MPT common stockholders (Operating Partnership partners)	$ 656,021	$ 431,450	$ 374,684
Earnings per common share — basic and diluted
Net income attributable to MPT common stockholders (Operating Partnership partners)	$ 1.11	$ 0.81	$ 0.87
Weighted average shares (units) outstanding basic	588,817	529,239	427,075
Weighted average shares (units) outstanding diluted	590,139	530,461	428,299