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PROPERTY AND EQUIPMENT - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 27, 2022	Dec. 26, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 304,890	$ 286,312
Less: accumulated depreciation	(114,285)	(105,646)
Property and equipment, net	190,605	180,666
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	28,224	26,168
Computers and other equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	24,675	22,890
Kitchen equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	50,753	47,911
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	177,899	167,362
Assets not yet placed in service
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 23,339	$ 21,981

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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