    <SEC-DOCUMENT>0001171759-21-000050-index.html : 20210818
    <SEC-HEADER>0001171759-21-000050.hdr.sgml : 20210818
    <ACCEPTANCE-DATETIME>20210818161900
    ACCESSION NUMBER:		0001171759-21-000050
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		27
    CONFORMED PERIOD OF REPORT:	20210818
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210818
    DATE AS OF CHANGE:		20210818

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			RED ROBIN GOURMET BURGERS INC
    		CENTRAL INDEX KEY:			0001171759
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
    		IRS NUMBER:				841573084
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1226

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34851
    		FILM NUMBER:		211186883

    	BUSINESS ADDRESS:
    		STREET 1:		6312 FIDDLER'S GREEN CIRCLE
    		STREET 2:		SUITE 200 NORTH
    		CITY:			GREENWOOD VILLAGE
    		STATE:			CO
    		ZIP:			80111
    		BUSINESS PHONE:		3038466000

    	MAIL ADDRESS:
    		STREET 1:		6312 FIDDLER'S GREEN CIRCLE
    		STREET 2:		SUITE 200 NORTH
    		CITY:			GREENWOOD VILLAGE
    		STATE:			CO
    		ZIP:			80111
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>rrgb-20210818.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: rrgb-20210818.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991q2-2021.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: exhibit991q2-2021.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit992supplementalsl.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: exhibit992supplementalsl.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>rrgb-20210818.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: rrgb-20210818.xsd

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>rrgb-20210818_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: rrgb-20210818_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>rrgb-20210818_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: rrgb-20210818_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>exhibit992supplementalsl001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: exhibit992supplementalsl001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit992supplementalsl002.jpg
    <DESCRIPTION>GRAPHIC
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    Document 8 - file: exhibit992supplementalsl002.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit992supplementalsl003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: exhibit992supplementalsl003.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit992supplementalsl004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: exhibit992supplementalsl004.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit992supplementalsl005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: exhibit992supplementalsl005.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exhibit992supplementalsl006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: exhibit992supplementalsl006.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exhibit992supplementalsl007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: exhibit992supplementalsl007.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit992supplementalsl008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: exhibit992supplementalsl008.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exhibit992supplementalsl009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: exhibit992supplementalsl009.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exhibit992supplementalsl010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: exhibit992supplementalsl010.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>exhibit992supplementalsl011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: exhibit992supplementalsl011.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>exhibit992supplementalsl012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: exhibit992supplementalsl012.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>exhibit992supplementalsl013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: exhibit992supplementalsl013.jpg

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>rrgb-20210818_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: rrgb-20210818_htm.html

    Document 20 - RAW XML: rrgb-20210818_htm.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: R1.htm

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>22
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: Financial_Report.xlsx

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    <TYPE>XML
    <SEQUENCE>23
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: Show.js

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    <TYPE>XML
    <SEQUENCE>24
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: report.css

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: FilingSummary.html

    Document 25 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>27
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: MetaLinks.json

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>28
    <FILENAME>0001171759-21-000050-xbrl.zip
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    <TEXT>
    Document 28 - file: 0001171759-21-000050-xbrl.zip

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