XML 41 R31.htm IDEA: XBRL DOCUMENT v3.21.2
Organization and Summary of Accounting Policies - Variable Interest Entities (Details)
$ in Millions
Sep. 30, 2021
surgical_facility
Sep. 30, 2021
physician_practice
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Variable Interest Entity [Line Items]        
Number of facilities included in VIE 4 3    
Assets     $ 5,631.6 $ 5,413.2
Variable Interest Entity, Primary Beneficiary        
Variable Interest Entity [Line Items]        
Assets     26.7 27.7
Liabilities     $ 19.1 $ 21.1