Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
$ in Millions
12 Months Ended 24 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Mar. 08, 2022
Jul. 11, 2021
Document Information [Line Items]        
Document Type 10-K      
Document Annual Report true      
Document Transition Report false      
Document Period End Date Dec. 26, 2021      
Current Fiscal Year End Date --12-26      
Entity File Number 001-34851      
Entity Registrant Name RED ROBIN GOURMET BURGERS, INC.      
Entity Incorporation, State or Country Code DE      
Entity Tax Identification Number 84-1573084      
Entity Address, Address Line One 6312 S Fiddler's Green Circle, Suite 200N      
Entity Address, City or Town Greenwood Village      
Entity Address, State or Province CO      
Entity Address, Postal Zip Code 80111      
City Area Code (303)      
Local Phone Number 846-6000      
Title of 12(b) Security Common Stock, $0.001 par value      
Trading Symbol RRGB      
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 Small Business false      
Entity Emerging Growth Company false      
ICFR Auditor Attestation Flag true      
Entity Shell Company false      
Entity Central Index Key 0001171759      
Document Fiscal Year Focus 2021      
Document Fiscal Period Focus FY      
Amendment Flag false      
Entity Public Float       $ 484.3
Entity Common Stock, Shares Outstanding     15,747,615  
Entity Filer Category Accelerated Filer      
Auditor Firm ID 34 185    
Auditor Location Denver, Colorado Denver, Colorado    
Auditor Name Deloitte & Touche LLP KPMG LLP