Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details Textual)

v3.19.3
Segment Information (Details Textual)
9 Months Ended
Sep. 29, 2019
Restaurant
Segment
Segment Reporting Information [Line Items]  
Number of Operating Segments | Segment 2
Ruths Chris Steak House [Member]  
Segment Reporting Information [Line Items]  
Number of Restaurants 157
Company [Member] | Ruths Chris Steak House [Member]  
Segment Reporting Information [Line Items]  
Number of Restaurants 81
Operated under Contractual Agreements [Member]  
Segment Reporting Information [Line Items]  
Number of Restaurants 3
Franchised Units [Member] | Ruths Chris Steak House [Member]  
Segment Reporting Information [Line Items]  
Number of Restaurants 73