v3.24.1.u1
RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 26, 2023
Dec. 31, 2023
Related Party Transaction [Line Items]      
Food, beverage and packaging costs $ 56,961 $ 53,626  
Other operating expenses 19,857 18,704  
Total restaurant operating expenses 129,460 121,240  
Accounts payable $ 29,323   $ 33,189
TRA obligation percent 85.00%    
Current portion of Tax Receivable Agreement liability $ 7,191 4,428 4,428
TRA amounts paid 4,400 800  
Tax receivable agreement liability $ 321,328   295,390
Portillo's Inc. | Berkshire Partners LLC      
Related Party Transaction [Line Items]      
Ownership % 19.30%    
Related party      
Related Party Transaction [Line Items]      
Accounts and tenant improvement receivables $ 400   300
Food, beverage and packaging costs 502 585  
Other operating expenses 102 114  
Total restaurant operating expenses 604 $ 699  
Accounts payable $ 300   $ 400