Quarterly report pursuant to Section 13 or 15(d)

Subsequent events (Details)

v3.21.1
Subsequent events (Details)
May 07, 2021
numberOfOpenRestaurants
State
numberOfNewRestaurants
Mar. 28, 2021
State
numberOfOpenRestaurants
Subsequent Event [Line Items]    
Number of Open Restaurants | numberOfOpenRestaurants   93
Number of States in which Entity Operates | State   17
Subsequent Event [Member]    
Subsequent Event [Line Items]    
Number of New Restaurants | numberOfNewRestaurants 1  
Number of Open Restaurants | numberOfOpenRestaurants 94  
Number of States in which Entity Operates | State 17