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Organization and Summary of Accounting Policies - Organization (Details)
Sep. 30, 2023
facility
state
Summary of Investment Holdings [Line Items]  
Number of surgical facilities owned 154
Number of states in which entity operates | state 31
Number of surgical facilities owned, majority interest 90
Number of surgical facilities owned, consolidated 117
Facilities, Ambulatory Surgery Centers  
Summary of Investment Holdings [Line Items]  
Number of surgical facilities owned 136
Facilities, Surgical Hospitals  
Summary of Investment Holdings [Line Items]  
Number of surgical facilities owned 18