Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 144,460	$ 237,398
Other comprehensive income (loss):
Unrealized derivative gains (losses) on cash flow hedges		(2,917)
Foreign currency translation adjustment	(39,201)	(14,262)
Other comprehensive income (loss) before tax	(39,201)	(17,179)
Income tax expense (benefit) related to items of other comprehensive income (loss)	(2,108)	(2,466)
Total other comprehensive income (loss), net of tax	(37,093)	(14,713)
Comprehensive income	107,367	222,685
Less: Comprehensive income attributable to noncontrolling interests	2,423	3,230
Comprehensive income attributable to UHS	$ 104,944	$ 219,455