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Organization and Summary of Accounting Policies - Narrative (Details)
 12 Months Ended
Dec. 31, 2022
state
integer
facility
Product Information [Line Items]  
Number of surgical facilities owned 146
Number of states in which entity operates | state 31
Number of surgical facilities owned, majority interest 93
Number of surgical facilities owned, consolidated 118
Number of deconsolidations | integer 2
Facilities, Ambulatory Surgery Centers  
Product Information [Line Items]  
Number of surgical facilities owned 127
Facilities, Surgical Hospitals  
Product Information [Line Items]  
Number of surgical facilities owned 19