Condensed Consolidating Financial Information - Condensed Consolidated Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues
Rent billed	$ 31,359	$ 30,696	$ 63,196	$ 60,383
Straight-line rent	2,746	1,324	5,407	2,683
Income from direct financing leases	9,230	5,371	17,986	7,206
Interest and fee income	14,138	11,527	28,855	19,449
Total revenues	57,473	48,918	115,444	89,721
Expenses
Real estate depreciation and amortization	8,718	8,337	17,262	16,518
Property-related	649	586	1,062	813
General and administrative	7,225	6,697	15,044	14,289
Acquisition expenses	2,088	279	2,278	3,704
Total operating expenses	18,680	15,899	35,646	35,324
Operating income (expense)	38,793	33,019	79,798	54,397
Other income (expense)
Other income (expense)	(23)	(17)	(248)	(32)
Earnings from equity and other interests	1,176	879	1,668	879
Interest income (expense)	(14,641)	(14,889)	(30,065)	(27,684)
Net other expense	(13,488)	(14,027)	(28,645)	(26,837)
Income (loss) from continuing operations	25,305	18,992	51,153	27,560
Income (loss) from discontinued operations	2,100	368	2,461	2,407
Net income	27,405	19,360	53,614	29,967
Net income (loss) attributable to non-controlling interests	(57)	(44)	(110)	(87)
Net income attributable to MPT common stockholders	27,348	19,316	53,504	29,880
Parent
Other income (expense)
Equity in earnings of consolidated subsidiaries net of income taxes	27,405	19,360	53,614	29,967
Net income	27,405	19,360	53,614	29,967
Net income (loss) attributable to non-controlling interests	(57)	(44)	(110)	(87)
Net income attributable to MPT common stockholders	27,348	19,316	53,504	29,880
Subsidiary Issuers
Revenues
Interest and fee income	5,052	5,034	10,108	7,978
Total revenues	5,052	5,034	10,108	7,978
Expenses
Property-related	104	130	276	261
General and administrative	7,674	6,773	14,419	13,736
Acquisition expenses	2,088	279	2,278	3,704
Total operating expenses	9,866	7,182	16,973	17,701
Operating income (expense)	(4,814)	(2,148)	(6,865)	(9,723)
Other income (expense)
Other income (expense)	(20)	(16)	(42)	(28)
Interest income (expense)	(14,726)	(14,913)	(30,243)	(27,702)
Net other expense	(14,746)	(14,929)	(30,285)	(27,730)
Income (loss) from continuing operations	(19,560)	(17,077)	(37,150)	(37,453)
Equity in earnings of consolidated subsidiaries net of income taxes	46,965	36,437	90,764	67,420
Net income	27,405	19,360	53,614	29,967
Net income (loss) attributable to non-controlling interests	(57)	(44)	(110)	(87)
Net income attributable to MPT common stockholders	27,348	19,316	53,504	29,880
Subsidiary Guarantors
Revenues
Rent billed	29,411	28,674	59,379	56,690
Straight-line rent	2,141	949	4,428	1,939
Income from direct financing leases	8,664	4,839	16,868	6,492
Interest and fee income	9,186	6,509	18,404	11,703
Total revenues	49,402	40,971	99,079	76,824
Expenses
Real estate depreciation and amortization	8,293	7,912	16,412	15,668
Property-related	347	368	541	464
Total operating expenses	8,640	8,280	16,953	16,132
Operating income (expense)	40,762	32,691	82,126	60,692
Other income (expense)
Other income (expense)	(1)
Earnings from equity and other interests	233	453	233	452
Interest income (expense)	319	253	629	479
Net other expense	551	706	862	931
Income (loss) from continuing operations	41,313	33,397	82,988	61,623
Income (loss) from discontinued operations		(92)	(4)	(208)
Equity in earnings of consolidated subsidiaries net of income taxes	1,121	1,117	2,242	2,238
Net income	42,434	34,422	85,226	63,653
Net income attributable to MPT common stockholders	42,434	34,422	85,226	63,653
Non-Guarantor Subsidiaries
Revenues
Rent billed	5,063	4,153	9,567	8,284
Straight-line rent	605	375	979	744
Income from direct financing leases	5,509	5,371	10,994	7,206
Interest and fee income	6,985	7,007	14,517	10,414
Total revenues	18,162	16,906	36,057	26,648
Expenses
Real estate depreciation and amortization	425	425	850	850
Property-related	8,255	7,058	15,871	11,171
General and administrative	(449)	(76)	625	553
Total operating expenses	8,231	7,407	17,346	12,574
Operating income (expense)	9,931	9,499	18,711	14,074
Other income (expense)
Other income (expense)	(2)	(1)	(206)	(4)
Earnings from equity and other interests	943	426	1,435	427
Interest income (expense)	(7,320)	(7,252)	(14,625)	(11,107)
Net other expense	(6,379)	(6,827)	(13,396)	(10,684)
Income (loss) from continuing operations	3,552	2,672	5,315	3,390
Income (loss) from discontinued operations	2,100	460	2,465	2,615
Net income	5,652	3,132	7,780	6,005
Net income attributable to MPT common stockholders	5,652	3,132	7,780	6,005
Eliminations
Revenues
Rent billed	(3,115)	(2,131)	(5,750)	(4,591)
Income from direct financing leases	(4,943)	(4,839)	(9,876)	(6,492)
Interest and fee income	(7,085)	(7,023)	(14,174)	(10,646)
Total revenues	(15,143)	(13,993)	(29,800)	(21,729)
Expenses
Property-related	(8,057)	(6,970)	(15,626)	(11,083)
Total operating expenses	(8,057)	(6,970)	(15,626)	(11,083)
Operating income (expense)	(7,086)	(7,023)	(14,174)	(10,646)
Other income (expense)
Interest income (expense)	7,086	7,023	14,174	10,646
Net other expense	7,086	7,023	14,174	10,646
Equity in earnings of consolidated subsidiaries net of income taxes	(75,491)	(56,914)	(146,620)	(99,625)
Net income	(75,491)	(56,914)	(146,620)	(99,625)
Net income (loss) attributable to non-controlling interests	57	44	110	87
Net income attributable to MPT common stockholders	$ (75,434)	$ (56,870)	$ (146,510)	$ (99,538)