COMMITMENTS AND CONTINGENCIES - Rent Information (Details) $ in Thousands	12 Months Ended
Dec. 29, 2019 USD ($)
Commitments and Contingencies
Operating lease cost	$ 4,261
Short-term lease cost	123
Variable lease cost	31
Sublease income	(248)
Total lease cost	$ 4,167

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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