SEGMENT INFORMATION - General Information and Customer Concentration (Details)	9 Months Ended
	Sep. 30, 2016 state plan Institution
SEGMENT INFORMATION
Number of hospitals owned by subsidiaries	79
Number of facilities owned by subsidiaries	9
Number of short-stay surgical hospitals	20
Number of states where operations occur | state	12
Number of provider-based outpatient centers operated by subsidiaries	470
Number of health plans | plan	6
United Surgical Partners International
SEGMENT INFORMATION
Number of short-stay surgical hospitals	20
Number of ambulatory surgery centers	245
Number of diagnostic imaging centers	22
Number of states where operations occur | state	27
Number of urgent care centers	34
European Surgical Partners Ltd
SEGMENT INFORMATION
Number of facilities owned by subsidiaries	9
Minimum | Conifer
SEGMENT INFORMATION
Number of Tenet and non-Tenet Hospitals and other health care organizations to which Conifer provided revenue cycle services	800