Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 656,982	$ 987,632	$ 952,790
Other comprehensive income (loss):
Minimum pension liability	(2,869)	1,427	4,428
Foreign currency translation adjustment	(37,310)	(20,743)	13,619
Other comprehensive income before tax	(40,179)	(19,316)	18,047
Income tax expense related to items of other comprehensive income	(220)	(1,487)	1,820
Total other comprehensive income (loss), net of tax	(39,959)	(17,829)	16,227
Comprehensive income	617,023	969,803	969,017
Less: Comprehensive income attributable to noncontrolling interests	(18,627)	(3,958)	8,837
Comprehensive income attributable to UHS	$ 635,650	$ 973,761	$ 960,180