LEASES - Balance Sheet (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Assets:
Operating lease assets	$ 34,090	$ 37,768
Finance lease assets	909
Total lease assets	34,999
Current
Operating lease liabilities	8,247	7,768
Finance lease liabilities	197	185
Non-current
Operating lease liabilities, non-current	36,546	$ 42,200
Finance lease liabilities	753
Total lease liabilities	$ 45,743