SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Financing Costs and Insurance Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 25, 2024	Dec. 27, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Amortization of deferred financing costs	$ 195	$ 197	$ 201
Accrued insurance	11,987	11,417
Expense for payroll and benefits reserves	11,100	9,900	9,200
Workers' compensation	10,300	10,100
Other Assets
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Deferred financing fees net of accumulated amortization	300	500
Interest expense
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Amortization of deferred financing costs	$ 200	$ 200	$ 200