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Document and Entity Information - USD ($)
 12 Months Ended
Jan. 01, 2023
Feb. 21, 2023
Jul. 03, 2022
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jan. 01, 2023    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Trading Symbol BGFV    
Entity Registrant Name BIG 5 SPORTING GOODS CORPORATION    
Entity Central Index Key 0001156388    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Current Fiscal Year End Date --01-01    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Filer Category Accelerated Filer    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Small Business false    
Entity Emerging Growth Company false    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Security Exchange Name NASDAQ    
Entity Address, State or Province CA    
Entity File Number 000-49850    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 95-4388794    
Entity Address, Address Line One 2525 East El Segundo Boulevard    
Entity Address, City or Town El Segundo    
Entity Address, Postal Zip Code 90245    
City Area Code 310    
Local Phone Number 536-0611    
Document Annual Report true    
Document Transition Report false    
Entity Common Stock, Shares Outstanding   22,182,955  
Entity Public Float     $ 217,077,278
Documents Incorporated by Reference

Part III of this Form 10-K incorporates by reference certain information from the registrant’s 2023 definitive proxy statement (the “Proxy Statement”) to be filed with the Securities and Exchange Commission no later than 120 days after the end of the registrant’s fiscal year.

    
Auditor Name Deloitte & Touche LLP    
Auditor Firm ID 34    
Auditor Location Los Angeles, California