Condensed Consolidating Financial Information - Condensed Consolidated Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues
Rent billed									$ 132,578	$ 119,883	$ 105,688
Straight-line rent									10,706	7,911	5,277
Income from direct financing leases									40,830	21,728
Interest and fee income									58,409	48,603	21,357
Total revenues	67,679	60,106	57,124	57,614	56,597	52,504	48,569	40,455	242,523	198,125	132,322
Expenses
Real estate depreciation and amortization									36,978	32,815	30,147
Property-related									2,450	1,477	724
Acquisition expenses									19,494	5,420	4,184
General and administrative									30,063	28,562	27,091
Total operating expenses									88,985	68,274	62,146
Operating income									153,538	129,851	70,176
Other income (expense)
Interest and other (expense) income									(319)	(1,662)	18
Earnings from equity and other interests									3,554	2,943	78
Debt refinancing costs											(14,214)
Interest expense									(66,746)	(58,243)	(43,810)
Income tax expense									(726)	(19)	(128)
Net other expense									(64,237)	(56,981)	(58,056)
Income (loss) from continuing operations	13,309	25,391	25,031	25,570	23,264	22,594	18,718	8,294	89,301	72,870	12,120
Income (loss) from discontinued operations	4,588	312	2,374	640	5,339	8,914	642	2,312	7,914	17,207	14,594
Net income	17,897	25,703	27,405	26,210	28,603	31,508	19,360	10,606	97,215	90,077	26,714
Net income (loss) attributable to non-controlling interests									(224)	(177)	(178)
Net income attributable to MPT common stockholders	17,839	25,648	27,348	26,156	28,556	31,464	19,316	10,564	96,991	89,900	26,536
Parent [Member]
Revenues
Rent billed
Straight-line rent
Income from direct financing leases
Interest and fee income
Total revenues
Expenses
Real estate depreciation and amortization
Property-related
Acquisition expenses
General and administrative											17
Total operating expenses											17
Operating income											(17)
Other income (expense)
Interest and other (expense) income
Earnings from equity and other interests
Interest expense
Income tax expense
Net other expense
Income (loss) from continuing operations											(17)
Equity in earnings of consolidated subsidiaries net of income taxes									97,215	90,077	26,731
Net income									97,215	90,077	26,714
Net income (loss) attributable to non-controlling interests									(224)	(177)	(178)
Net income attributable to MPT common stockholders									96,991	89,900	26,536
Subsidiary Issuers [Member]
Revenues
Straight-line rent
Income from direct financing leases
Interest and fee income									21,797	18,341	6,124
Total revenues									21,797	18,341	6,124
Expenses
Real estate depreciation and amortization
Property-related									601	495	217
Acquisition expenses									7,356	5,420	3,713
General and administrative									29,033	26,018	23,914
Total operating expenses									36,990	31,933	27,844
Operating income									(15,193)	(13,592)	(21,720)
Other income (expense)
Interest and other (expense) income									(110)	(69)	26
Earnings from equity and other interests
Debt refinancing costs											(14,109)
Interest expense									(67,484)	(58,729)	(43,063)
Income tax expense
Net other expense									(67,594)	(58,798)	(57,146)
Income (loss) from continuing operations									(82,787)	(72,390)	(78,866)
Income (loss) from discontinued operations
Equity in earnings of consolidated subsidiaries net of income taxes									180,002	162,467	105,597
Net income									97,215	90,077	26,731
Net income (loss) attributable to non-controlling interests									(224)	(177)	(178)
Net income attributable to MPT common stockholders									96,991	89,900	26,553
Subsidiary Guarantors [Member]
Revenues
Rent billed									124,651	112,573	99,494
Straight-line rent									8,438	6,429	3,515
Income from direct financing leases									38,522	19,870
Interest and fee income									38,696	29,606	17,543
Total revenues									210,307	168,478	120,552
Expenses
Real estate depreciation and amortization									35,277	31,115	28,489
Property-related									1,356	816	458
Acquisition expenses									12,138
General and administrative									375
Total operating expenses									49,146	31,931	28,947
Operating income									161,161	136,547	91,605
Other income (expense)
Interest and other (expense) income											2
Earnings from equity and other interests									948	1,061	345
Debt refinancing costs											(105)
Interest expense									(1,912)	1,408	139
Income tax expense									(158)
Net other expense									(1,122)	2,469	381
Income (loss) from continuing operations									160,039	139,016	91,986
Income (loss) from discontinued operations									(4)	103	(1,969)
Equity in earnings of consolidated subsidiaries net of income taxes									4,477	4,481	4,578
Net income									164,512	143,600	15,580
Net income (loss) attributable to non-controlling interests
Net income attributable to MPT common stockholders									164,512	143,600	94,595
Non-Guarantor Subsidiaries [Member]
Revenues
Rent billed									20,028	16,619	9,286
Straight-line rent									2,268	1,482	1,762
Income from direct financing leases									22,577	18,090
Interest and fee income									29,834	25,387	3,926
Total revenues									74,707	61,578	14,974
Expenses
Real estate depreciation and amortization									1,701	1,700	1,658
Property-related									32,863	25,707	3,141
Acquisition expenses											471
General and administrative									655	2,544	3,160
Total operating expenses									35,219	29,951	8,430
Operating income									39,488	31,627	6,544
Other income (expense)
Interest and other (expense) income									(209)	(1,593)	10
Earnings from equity and other interests									2,606	1,882	(267)
Interest expense									(29,268)	(25,653)	(7,122)
Income tax expense									(568)	(19)	(128)
Net other expense									(27,439)	(25,383)	(7,527)
Income (loss) from continuing operations									12,049	6,244	(983)
Income (loss) from discontinued operations									7,918	17,104	16,563
Equity in earnings of consolidated subsidiaries net of income taxes
Net income									19,967	23,348	15,580
Net income (loss) attributable to non-controlling interests
Net income attributable to MPT common stockholders									19,967	23,348	15,580
Eliminations [Member]
Revenues
Rent billed									(12,101)	(9,309)	(3,092)
Income from direct financing leases									(20,269)	(16,232)
Interest and fee income									(31,918)	(24,731)	(6,236)
Total revenues									(64,288)	(50,272)	(9,328)
Expenses
Real estate depreciation and amortization
Property-related									(32,370)	(25,541)	(3,092)
Acquisition expenses
General and administrative
Total operating expenses									(32,370)	(25,541)	(3,092)
Operating income									(31,918)	(24,731)	(6,236)
Other income (expense)
Interest and other (expense) income
Earnings from equity and other interests
Interest expense									31,918	24,731	6,236
Income tax expense
Net other expense									31,918	24,731	6,236
Income (loss) from continuing operations
Income (loss) from discontinued operations
Equity in earnings of consolidated subsidiaries net of income taxes									(281,694)	(257,025)	(136,906)
Net income									(281,694)	(257,025)	(136,906)
Net income (loss) attributable to non-controlling interests									224	177	178
Net income attributable to MPT common stockholders									$ (281,470)	$ (256,848)	$ (136,728)