Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 1,163,109	$ 719,307	$ 656,982
Other comprehensive income (loss):
Minimum pension liability	2,416	4,166	(2,869)
Foreign currency translation adjustment	(3,237)	15,271	(37,310)
Other	17	0	0
Other comprehensive income before tax	(804)	19,437	(40,179)
Income tax expense related to items of other comprehensive income	1,284	480	(220)
Total other comprehensive income (loss), net of tax	(2,088)	18,957	(39,959)
Comprehensive income	1,161,021	738,264	617,023
Less: Comprehensive loss (income) attributable to noncontrolling interests	21,012	1,512	(18,627)
Comprehensive income attributable to UHS	$ 1,140,009	$ 736,752	$ 635,650