Condensed Consolidating Financial Information - Condensed Consolidated Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues
Rent billed	$ 31,878	$ 30,298	$ 95,074	$ 90,680
Straight-line rent	2,853	2,745	8,260	5,429
Income from direct financing leases	11,298	5,773	29,284	12,979
Interest and fee income	14,427	14,037	43,282	33,486
Total revenues	60,456	52,853	175,900	142,574
Expenses
Real estate depreciation and amortization	8,789	8,308	26,051	24,826
Property-related	458	214	1,520	1,027
General and administrative	6,380	7,052	21,423	21,341
Acquisition expenses	4,179	410	6,457	4,115
Total operating expenses	19,806	15,984	55,451	51,309
Operating income (expense)	40,650	36,869	120,449	91,265
Other income (expense)
Other income (expense)	3	(23)	(245)	(55)
Earnings from equity and other interests	843	1,065	2,511	1,944
Interest income (expense)	(15,830)	(15,046)	(45,896)	(42,730)
Net other expense	(14,984)	(14,004)	(43,630)	(40,841)
Income (loss) from continuing operations	25,666	22,865	76,819	50,424
Income (loss) from discontinued operations	37	8,643	2,498	11,050
Net income	25,703	31,508	79,317	61,474
Net income (loss) attributable to non-controlling interests	(55)	(44)	(165)	(130)
Net income attributable to MPT common stockholders	25,648	31,464	79,152	61,344
Parent
Other income (expense)
Equity in earnings of consolidated subsidiaries net of income taxes	25,703	31,508	79,317	61,474
Net income	25,703	31,508	79,317	61,474
Net income (loss) attributable to non-controlling interests	(55)	(44)	(165)	(130)
Net income attributable to MPT common stockholders	25,648	31,464	79,152	61,344
Subsidiary Issuers
Revenues
Interest and fee income	5,004	5,242	15,112	13,219
Total revenues	5,004	5,242	15,112	13,219
Expenses
Property-related	182	88	458	349
General and administrative	6,867	6,332	21,286	20,067
Acquisition expenses	4,179	410	6,457	4,115
Total operating expenses	11,228	6,830	28,201	24,531
Operating income (expense)	(6,224)	(1,588)	(13,089)	(11,312)
Other income (expense)
Other income (expense)	5	(21)	(37)	(49)
Interest income (expense)	(16,055)	(15,203)	(46,298)	(42,905)
Net other expense	(16,050)	(15,224)	(46,335)	(42,954)
Income (loss) from continuing operations	(22,274)	(16,812)	(59,424)	(54,266)
Equity in earnings of consolidated subsidiaries net of income taxes	47,977	48,320	138,741	115,740
Net income	25,703	31,508	79,317	61,474
Net income (loss) attributable to non-controlling interests	(55)	(44)	(165)	(130)
Net income attributable to MPT common stockholders	25,648	31,464	79,152	61,344
Subsidiary Guarantors
Revenues
Rent billed	29,770	28,470	89,149	85,160
Straight-line rent	2,189	2,371	6,617	4,310
Income from direct financing leases	10,519	5,238	27,387	11,730
Interest and fee income	9,161	8,917	27,565	20,620
Total revenues	51,639	44,996	150,718	121,820
Expenses
Real estate depreciation and amortization	8,363	7,883	24,775	23,551
Property-related	251	116	792	580
Total operating expenses	8,614	7,999	25,567	24,131
Operating income (expense)	43,025	36,997	125,151	97,689
Other income (expense)
Other income (expense)		(2)		(2)
Earnings from equity and other interests	454	331	687	783
Interest income (expense)	454	388	1,083	867
Net other expense	908	717	1,770	1,648
Income (loss) from continuing operations	43,933	37,714	126,921	99,337
Income (loss) from discontinued operations		314	(4)	106
Equity in earnings of consolidated subsidiaries net of income taxes	1,114	1,129	3,356	3,367
Net income	45,047	39,157	130,273	102,810
Net income attributable to MPT common stockholders	45,047	39,157	130,273	102,810
Non-Guarantor Subsidiaries
Revenues
Rent billed	5,403	4,163	14,970	12,446
Straight-line rent	664	374	1,643	1,119
Income from direct financing leases	5,750	5,394	16,744	12,600
Interest and fee income	7,299	6,943	21,816	17,358
Total revenues	19,116	16,874	55,173	43,523
Expenses
Real estate depreciation and amortization	426	425	1,276	1,275
Property-related	8,291	7,204	24,162	18,375
General and administrative	(487)	720	137	1,274
Total operating expenses	8,230	8,349	25,575	20,924
Operating income (expense)	10,886	8,525	29,598	22,599
Other income (expense)
Other income (expense)	(2)		(208)	(4)
Earnings from equity and other interests	389	734	1,824	1,161
Interest income (expense)	(7,266)	(7,296)	(21,892)	(18,403)
Net other expense	(6,879)	(6,562)	(20,276)	(17,246)
Income (loss) from continuing operations	4,007	1,963	9,322	5,353
Income (loss) from discontinued operations	37	8,329	2,502	10,944
Net income	4,044	10,292	11,824	16,297
Net income attributable to MPT common stockholders	4,044	10,292	11,824	16,297
Eliminations
Revenues
Rent billed	(3,295)	(2,335)	(9,045)	(6,926)
Income from direct financing leases	(4,971)	(4,859)	(14,847)	(11,351)
Interest and fee income	(7,037)	(7,065)	(21,211)	(17,711)
Total revenues	(15,303)	(14,259)	(45,103)	(35,988)
Expenses
Property-related	(8,266)	(7,194)	(23,892)	(18,277)
Total operating expenses	(8,266)	(7,194)	(23,892)	(18,277)
Operating income (expense)	(7,037)	(7,065)	(21,211)	(17,711)
Other income (expense)
Interest income (expense)	7,037	7,065	21,211	17,711
Net other expense	7,037	7,065	21,211	17,711
Equity in earnings of consolidated subsidiaries net of income taxes	(74,794)	(80,957)	(221,414)	(180,581)
Net income	(74,794)	(80,957)	(221,414)	(180,581)
Net income (loss) attributable to non-controlling interests	55	44	165	130
Net income attributable to MPT common stockholders	$ (74,739)	$ (80,913)	$ (221,249)	$ (180,451)