Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 291,238	$ 225,937	$ 139,927
Other comprehensive income (loss):
Unrealized gain on interest rate swap		2,904	3,139
Foreign currency translation gain (loss)	66,854	(22,923)	(54,109)
Total comprehensive income	358,092	205,918	88,957
Comprehensive income attributable to non-controlling interests	(1,445)	(889)	(329)
Comprehensive income attributable to MPT common stockholders (Operating Partnership Partners)	356,647	205,029	88,628
MPT Operating Partnership, L.P. [Member]
Net income	291,238	225,937	139,927
Other comprehensive income (loss):
Unrealized gain on interest rate swap		2,904	3,139
Foreign currency translation gain (loss)	66,854	(22,923)	(54,109)
Total comprehensive income	358,092	205,918	88,957
Comprehensive income attributable to non-controlling interests	(1,445)	(889)	(329)
Comprehensive income attributable to MPT common stockholders (Operating Partnership Partners)	$ 356,647	$ 205,029	$ 88,628