REVENUE FROM CONTRACTS WITH CUSTOMERS - Loyalty Reward Liability and Gift Card Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2024	Dec. 27, 2023	Dec. 28, 2022
Change in Contract with Customer, Liability [Roll Forward]
Gift card liability	$ 5,100	$ 4,877
Gift card liability
Change in Contract with Customer, Liability [Roll Forward]
Gift card liability	5,100	4,877
Revenue recognized from gift card liability balance at the beginning of the year	1,059	1,064	$ 1,145
Loyalty reward program
Change in Contract with Customer, Liability [Roll Forward]
Loyalty rewards liability, beginning balance	687	526
Revenue deferred	2,181	2,065
Revenue recognized	(2,024)	(1,904)
Loyalty rewards liability, ending balance	$ 844	$ 687	$ 526
Loyalty reward program | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-12-26
Change in Contract with Customer, Liability [Roll Forward]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year