Debt (Senior Unsecured Notes) (Details) (USD $)							3 Months Ended	7 Months Ended	12 Months Ended					12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2011 Medical Properties Trust, Inc. [Member]	Dec. 31, 2010 Medical Properties Trust, Inc. [Member]	Dec. 31, 2011 LIBOR [Member]	Oct. 30, 2011 2006 Senior Unsecured Notes [Member]	Jul. 30, 2011 2006 Senior Unsecured Notes [Member]	Dec. 31, 2011 2006 Senior Unsecured Notes [Member]	Dec. 31, 2010 2006 Senior Unsecured Notes [Member]	Dec. 31, 2006 2006 Senior Unsecured Notes [Member]	Oct. 30, 2011 2006 Senior Unsecured Notes [Member] LIBOR [Member]	Jul. 30, 2011 2006 Senior Unsecured Notes [Member] LIBOR [Member]	Dec. 31, 2011 2011 Senior Unsecured Notes [Member]	Apr. 26, 2011 2011 Senior Unsecured Notes [Member]	Dec. 31, 2010 2011 Senior Unsecured Notes [Member]	Dec. 31, 2011 Interest Rate Contract [Member]	Dec. 31, 2010 Interest Rate Contract [Member]	Dec. 31, 2011 Interest Rate Contract One [Member]	Dec. 31, 2011 Interest Rate Contract Two [Member]
Debt Instrument [Line Items]
Principal amount									$ 125,000,000	$ 125,000,000				$ 450,000,000
Unsecured senior notes, year of maturity									October 2016					May 1, 2021
Senior Unsecured Notes											125,000,000
Credit facilities, periodic payments of interest								65,000,000
Interest rate swap, amount fixed			65,000,000																	60,000,000
Interest rate								7.871%						6.875%	6.875%
Credit facilities, basis spread of interest rate						2.60%						2.30%	2.30%
Fixed rate, minimum							7.333%			7.333%
Fixed rate, maximum							7.715%			7.871%
Total senior notes available	689,849,000	369,970,000	125,000,000	689,849,000	369,970,000
Interest rate of interest rate derivative instrument																			5.507%	5.675%
Fair value of the interest rate swaps																	12,200,000	3,600,000
Credit facility collateral amount									$ 6,300,000