Common Stock/Partners' Capital - Additional Information (Detail) - USD ($)		12 Months Ended
	Aug. 11, 2025	Dec. 31, 2025	Oct. 28, 2025
Class Of Stock [Line Items]
Shares issued price per share			$ 0.001
Stock repurchase, Value		$ 23,441,000
Maximum [Member]
Class Of Stock [Line Items]
Stock repurchase program, authorized amount			$ 150,000,000
At-the-market equity [Member]
Class Of Stock [Line Items]
Stock issued		0
At-the-market equity [Member] | Maximum [Member]
Class Of Stock [Line Items]
Stock issued during period, value	$ 500,000,000
Sales commission percentage	2.00%
MPT Operating Partnership, L.P. [Member]
Class Of Stock [Line Items]
Stock repurchase, Value		$ 23,441,000
Redemption of common units		$ 0
MPT Operating Partnership, L.P. [Member] | Medical Properties Trust, LLC. [Member]
Class Of Stock [Line Items]
Percentage of ownership of general partner		100.00%
MPT Operating Partnership, L.P. [Member] | MPT TRS, Inc [Member]
Class Of Stock [Line Items]
Percentage of ownership of general partner		100.00%
MPT Operating Partnership, L.P. [Member] | Operating Partnership [Member]
Class Of Stock [Line Items]
Percentage of ownership limited partner		100.00%
Common Units [Member]
Class Of Stock [Line Items]
Stock repurchase, Shares		4,505,000
Stock repurchase, Value		$ 5,000