Condensed Consolidated Statements of Comprehensive Income - Condensed Consolidated Statements of Comprehensive Income (Loss) (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
Comprehensive Income (Loss) [Line Items]
Net income	$ 27,405	$ 19,360	$ 53,614	$ 29,967
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	1,779	(1,045)	2,606	(546)
Total comprehensive income	29,184	18,315	56,220	29,421
Comprehensive income attributable to non-controlling interests	(57)	(44)	(110)	(87)
Comprehensive income attributable to MPT common stockholders	29,127	18,271	56,110	29,334
Parent
Comprehensive Income (Loss) [Line Items]
Net income	27,405	19,360	53,614	29,967
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	1,779	(1,045)	2,606	(546)
Total comprehensive income	29,184	18,315	56,220	29,421
Comprehensive income attributable to non-controlling interests	(57)	(44)	(110)	(87)
Comprehensive income attributable to MPT common stockholders	29,127	18,271	56,110	29,334
Subsidiary Issuers
Comprehensive Income (Loss) [Line Items]
Net income	27,405	19,360	53,614	29,967
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	1,779	(1,045)	2,606	(546)
Total comprehensive income	29,184	18,315	56,220	29,421
Comprehensive income attributable to non-controlling interests	(57)	(44)	(110)	(87)
Comprehensive income attributable to MPT common stockholders	29,127	18,271	56,110	29,334
Subsidiary Guarantors
Comprehensive Income (Loss) [Line Items]
Net income	42,434	34,422	85,226	63,653
Other comprehensive income (loss):
Total comprehensive income	42,434	34,422	85,226	63,653
Comprehensive income attributable to MPT common stockholders	42,434	34,422	85,226	63,653
Non-Guarantor Subsidiaries
Comprehensive Income (Loss) [Line Items]
Net income	5,652	3,132	7,780	6,005
Other comprehensive income (loss):
Total comprehensive income	5,652	3,132	7,780	6,005
Comprehensive income attributable to MPT common stockholders	5,652	3,132	7,780	6,005
Eliminations
Comprehensive Income (Loss) [Line Items]
Net income	(75,491)	(56,914)	(146,620)	(99,625)
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swap	(1,779)	1,045	(2,606)	546
Total comprehensive income	(77,270)	(55,869)	(149,226)	(99,079)
Comprehensive income attributable to non-controlling interests	57	44	110	87
Comprehensive income attributable to MPT common stockholders	$ (77,213)	$ (55,825)	$ (149,116)	$ (98,992)