Condensed Consolidating Financial Information - Condensed Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues
Rent billed	$ 45,928	$ 31,024	$ 88,889	$ 62,528
Straight-line rent	3,178	2,777	5,366	5,468
Income from direct financing leases	12,263	9,230	24,479	17,986
Interest and fee income	15,191	14,093	30,915	28,755
Total revenues	76,560	57,124	149,649	114,737
Expenses
Real estate depreciation and amortization	12,442	8,643	26,131	17,112
Impairment charges	29,631		50,128
Property-related	(38)	649	700	1,062
General and administrative	8,206	7,111	17,165	14,877
Acquisition expenses	2,535	2,088	3,047	2,278
Total operating expenses	52,776	18,491	97,171	35,329
Operating income (expense)	23,784	38,633	52,478	79,408
Other income (expense)
Other income (expense)	19	(22)	(30)	(248)
Earnings from equity and other interests	686	1,176	905	1,668
Interest income (expense)	(24,362)	(14,641)	(45,974)	(30,065)
Debt refinancing costs	(290)		(290)
Income tax benefit (expense)	(40)	(115)	16	(167)
Net other income (expense)	(23,987)	(13,602)	(45,373)	(28,812)
Income (loss) from continuing operations	(203)	25,031	7,105	50,596
Income (loss) from discontinued operations		2,374	(2)	3,018
Equity in earnings of consolidated subsidiaries net of income taxes	0		0
Net income (loss)	(203)	27,405	7,103	53,614
Net income (loss) attributable to non-controlling interests	0	(57)	(65)	(110)
Net income attributable to MPT common stockholders	(203)	27,348	7,038	53,504
Parent [Member]
Other income (expense)
Equity in earnings of consolidated subsidiaries net of income taxes	(203)	27,405	7,103	53,614
Net income (loss)	(203)	27,405	7,103	53,614
Net income (loss) attributable to non-controlling interests		(57)	(65)	(110)
Net income attributable to MPT common stockholders	(203)	27,348	7,038	53,504
Subsidiary Issuers [Member]
Revenues
Interest and fee income	8,360	5,052	18,492	10,108
Total revenues	8,360	5,052	18,492	10,108
Expenses
Impairment charges	289		289
Property-related	168	104	339	276
General and administrative	8,500	7,674	16,649	14,419
Acquisition expenses	2,510	2,088	2,886	2,278
Total operating expenses	11,467	9,866	20,163	16,973
Operating income (expense)	(3,107)	(4,814)	(1,671)	(6,865)
Other income (expense)
Other income (expense)	19	(20)	(30)	(42)
Interest income (expense)	(24,724)	(14,726)	(46,546)	(30,243)
Debt refinancing costs	(290)		(290)
Net other income (expense)	(24,995)	(14,746)	(46,866)	(30,285)
Income (loss) from continuing operations	(28,102)	(19,560)	(48,537)	(37,150)
Equity in earnings of consolidated subsidiaries net of income taxes	27,899	46,965	55,640	(90,764)
Net income (loss)	(203)	27,405	7,103	53,614
Net income (loss) attributable to non-controlling interests		(57)	(65)	(110)
Net income attributable to MPT common stockholders	(203)	27,348	7,038	53,504
Subsidiary Guarantors [Member]
Revenues
Rent billed	43,592	29,051	84,543	58,657
Straight-line rent	2,491	2,171	3,888	4,489
Income from direct financing leases	11,652	8,664	23,261	16,868
Interest and fee income	13,666	9,120	28,863	18,267
Total revenues	71,401	49,006	140,555	98,281
Expenses
Real estate depreciation and amortization	11,940	8,229	25,204	16,262
Impairment charges	21,975		21,975
Property-related	(105)	335	325	537
General and administrative	55		258
Acquisition expenses	25		161
Total operating expenses	33,890	8,564	47,923	16,799
Operating income (expense)	37,511	40,442	92,632	81,482
Other income (expense)
Other income (expense)
Earnings from equity and other interests	111	233	111	233
Interest income (expense)	(6,636)	318	(16,533)	628
Income tax benefit (expense)	(32)		32
Net other income (expense)	(6,557)	551	(16,390)	861
Income (loss) from continuing operations	30,954	40,993	76,242	82,343
Equity in earnings of consolidated subsidiaries net of income taxes	1,042	1,121	2,163	2,242
Net income (loss)	31,996	42,114	78,405	84,585
Net income attributable to MPT common stockholders	31,996	42,114	78,405	84,585
Non-Guarantor Subsidiaries [Member]
Revenues
Rent billed	6,240	5,088	11,928	9,621
Straight-line rent	687	606	1,478	979
Income from direct financing leases	5,898	5,509	11,770	10,994
Interest and fee income	7,422	7,006	15,293	14,554
Total revenues	20,247	18,209	40,469	36,148
Expenses
Real estate depreciation and amortization	502	414	927	850
Impairment charges	7,367		27,864
Property-related	9,090	8,267	18,170	15,875
General and administrative	(349)	(563)	258	458
Total operating expenses	16,610	8,118	47,219	17,183
Operating income (expense)	3,637	10,091	(6,750)	18,965
Other income (expense)
Other income (expense)		(2)		(206)
Earnings from equity and other interests	575	943	794	1,435
Interest income (expense)	(7,259)	(7,319)	(14,628)	(14,624)
Income tax benefit (expense)	(8)	(115)	(16)	(167)
Net other income (expense)	(6,692)	(6,493)	(13,850)	(13,562)
Income (loss) from continuing operations	(3,055)	3,598	(20,600)	5,403
Income (loss) from discontinued operations		2,374	(2)	3,018
Net income (loss)	(3,055)	5,972	(20,602)	8,421
Net income attributable to MPT common stockholders	(3,055)	5,972	(20,602)	8,421
Eliminations [Member]
Revenues
Rent billed	(3,904)	(3,115)	(7,582)	(5,750)
Income from direct financing leases	(5,287)	(4,943)	(10,552)	(9,876)
Interest and fee income	(14,257)	(7,085)	(31,733)	(14,174)
Total revenues	(23,448)	(15,143)	(49,867)	(29,800)
Expenses
Property-related	(9,191)	(8,057)	(18,134)	(15,626)
Total operating expenses	(9,191)	(8,057)	(18,134)	(15,626)
Operating income (expense)	(14,257)	(7,086)	(31,733)	(14,174)
Other income (expense)
Interest income (expense)	14,257	(7,086)	31,733	14,174
Net other income (expense)	14,257	(7,086)	31,733	14,174
Income (loss) from discontinued operations
Equity in earnings of consolidated subsidiaries net of income taxes	(28,738)	(75,491)	(64,906)	(146,620)
Net income (loss)	(28,738)	(75,491)	(64,906)	(146,620)
Net income (loss) attributable to non-controlling interests		57	65	110
Net income attributable to MPT common stockholders	$ (28,738)	$ (75,434)	$ (64,841)	$ (146,510)