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Organization and Summary of Accounting Policies - Variable Interest Entities (Details)
$ in Millions
Mar. 31, 2022
USD ($)
Mar. 31, 2022
surgical_facility
Mar. 31, 2022
physician_practice
Dec. 31, 2021
USD ($)
Variable Interest Entity [Line Items]        
Number of facilities included in VIE   6 5  
Assets $ 6,289.5     $ 6,117.6
Variable Interest Entity, Primary Beneficiary        
Variable Interest Entity [Line Items]        
Assets 71.4     48.1
Liabilities $ 46.7     $ 20.1