LEASES - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Leases [Abstract]
Operating lease costs	$ 12,312	$ 9,599	$ 8,002
Finance lease cost - amortization of right-of-use assets	1,046	211	88
Finance lease cost - interest on lease liabilities	139	64	30
Short-term lease cost	366	185	249
Variable lease cost	3,822	3,349	2,806
Sublease Income	(743)	(757)	(743)
Total lease cost	$ 16,942	$ 12,651	$ 10,432
Weighted average remaining lease term:
Operating leases (in years)	6 years 21 days	6 years 1 month 24 days
Finance leases (in years)	4 years 4 months 6 days	3 years 7 months 28 days
Weighted average discount rate:
Operating leases (as a percent)	4.75%	6.42%
Finance leases (as a percent)	2.24%	6.24%