SEGMENT REPORTING - Reportable Segments (Details) - USD ($) $ in Thousands	4 Months Ended
	Apr. 20, 2025	Apr. 21, 2024
Segment Reporting Information [Line Items]
Total reportable segment revenue	$ 331,826	$ 259,006
Food, beverage, and packaging	97,559	73,947
Labor	84,562	66,513
Occupancy	24,408	20,422
Other operating expenses	41,234	32,758
Total consolidated revenue	247,763	193,640
Reconciliation of total reportable segment restaurant-level profit to income before income taxes:
Other non-reportable segment profit	(1,758)	(750)
General and administrative expenses	41,394	33,840
Depreciation and amortization	20,811	17,322
Restructuring and other costs	0	282
Pre-opening costs	4,481	3,379
Impairment and asset disposal costs	1,667	1,290
Interest income, net	(4,617)	(4,914)
Other income, net	(27)	(78)
Income before taxes	20,354	14,245
Operating Segments | CAVA
Segment Reporting Information [Line Items]
Total reportable segment revenue	328,482	256,290
Food, beverage, and packaging	96,224	72,195
Labor	84,562	66,513
Occupancy	24,408	20,422
Other operating expenses	40,983	32,544
Total consolidated revenue	246,177	191,674
Total restaurant-level profit	82,305	64,616
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total reportable segment revenue	$ 3,344	$ 2,716