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Organization and Summary of Accounting Policies - Organization (Details)
Jun. 30, 2021
state
surgical_facility
Products And Services [Line Items]  
Number of surgical facilities owned 123
Number of states in which entity operates | state 30
Number of surgical facilities owned, majority interest 87
Number of surgical facilities owned, consolidated 106
Facilities, Ambulatory Surgery Centers  
Products And Services [Line Items]  
Number of surgical facilities owned 106
Facilities, Surgical Hospitals  
Products And Services [Line Items]  
Number of surgical facilities owned 17