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Cover - USD ($)
12 Months Ended
Dec. 31, 2022
Jan. 31, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35455    
Entity Registrant Name SSR MINING INC.    
Entity Incorporation, State or Country Code A1    
Entity Tax Identification Number 98-0211014    
Entity Address, Address Line Two Suite 1300    
Entity Address, Address Line One 6900 E. Layton Ave    
Entity Address, City or Town Denver    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80237    
City Area Code 303    
Local Phone Number 292-1299    
Title of 12(b) Security Common shares without par value    
Trading Symbol SSRM    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 3,537,761,233
Entity Common Stock, Shares Outstanding   206,762,854  
Documents Incorporated by Reference Designated portions of the registrant’s definitive Proxy Statement for its 2023 Annual Meeting of Shareholders, which is to be filed subsequent to the date hereof, are incorporated by reference into Part III of this Annual Report on Form 10-K.    
Entity Central Index Key 0000921638    
Amendment Flag false    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY