Acquisitions (Details) - USD ($) $ in Thousands	May. 18, 2015	Sep. 30, 2015	Dec. 31, 2014
Cost of acquired entity
Goodwill		$ 336,595	$ 335,577
Accrued compensation		(18,206)	(15,108)
UHS Holdco, Inc., (Parent)
Cost of acquired entity
Goodwill		283,141	283,141
Accrued compensation		$ (15,541)	$ (12,406)
Mobile laser surgical services provider
Cost of acquired entity
Total purchase price	$ 3,100
Cash paid	2,600
Holdback payment related to acquisition	500
Property and equipment	620
Goodwill	1,018
Accrued compensation	(13)
Intangible assets	1,475
Total purchase price	$ 3,100