Condensed Consolidating Financial Information - Condensed Consolidated Statements of Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Comprehensive Income (Loss) [Line Items]
Net income	$ 97,215	$ 90,077	$ 26,714
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	3,474	(251)	(8,590)
Foreign currency translation gain (loss)	67
Total comprehensive income	100,756	89,826	18,124
Comprehensive income attributable to non-controlling interests	(224)	(177)	(178)
Comprehensive income attributable to MPT common stockholders	100,532	89,649	17,946
Parent [Member]
Comprehensive Income (Loss) [Line Items]
Net income	97,215	90,077	26,714
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	3,474	(251)	(8,590)
Foreign currency translation gain (loss)	67
Total comprehensive income	100,756	89,826	18,124
Comprehensive income attributable to non-controlling interests	(224)	(177)	(178)
Comprehensive income attributable to MPT common stockholders	100,532	89,649	17,946
Subsidiary Issuers [Member]
Comprehensive Income (Loss) [Line Items]
Net income	97,215	90,077	26,731
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	3,474	(251)	(8,590)
Foreign currency translation gain (loss)	67
Total comprehensive income	100,756	89,826	18,141
Comprehensive income attributable to non-controlling interests	(224)	(177)	(178)
Comprehensive income attributable to MPT common stockholders	100,532	89,649	17,963
Subsidiary Guarantors [Member]
Comprehensive Income (Loss) [Line Items]
Net income	164,512	143,600	15,580
Other comprehensive income (loss):
Total comprehensive income	164,512	143,600	94,595
Comprehensive income attributable to MPT common stockholders	164,512	143,600	94,595
Non-Guarantor Subsidiaries [Member]
Comprehensive Income (Loss) [Line Items]
Net income	19,967	23,348	15,580
Other comprehensive income (loss):
Total comprehensive income	19,967	23,348	15,580
Comprehensive income attributable to MPT common stockholders	19,967	23,348	15,580
Eliminations [Member]
Comprehensive Income (Loss) [Line Items]
Net income	(281,694)	(257,025)	(136,906)
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	(3,474)	251	8,590
Foreign currency translation gain (loss)	(67)
Total comprehensive income	(285,235)	(256,774)	(128,316)
Comprehensive income attributable to non-controlling interests	224	177	178
Comprehensive income attributable to MPT common stockholders	$ (285,011)	$ (256,597)	$ (128,138)