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Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Mar. 03, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-37576    
Entity Registrant Name Surgery Partners, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-3620923    
Entity Address, Address Line One 310 Seven Springs Way, Suite 500    
Entity Address, City or Town Brentwood    
Entity Address, State or Province TN    
Entity Address, Postal Zip Code 37027    
City Area Code 615    
Local Phone Number 234-5900    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol SGRY    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 255.9
Entity Common Stock, Shares Outstanding   59,859,614  
Documents Incorporated by Reference Portions of the registrant's definitive proxy statement for the 2021 annual meeting of stockholders are incorporated by reference into Part III of this report.    
Entity Central Index Key 0001638833    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Amendment Flag false