SUBSEQUENT EVENTS (Details) - SVB Term Loan	Oct. 29, 2021	Oct. 30, 2020	Oct. 28, 2021	Oct. 29, 2020	Dec. 31, 2019	Dec. 30, 2019
Subsequent Event [Line Items]
Debt instrument minimum liquidity ratio financial covenant		1.70%		1.75%	1.75%	1.50%
Debt covenant term		30 months
Debt instrument prepayment premium (as a percent)		3.00%		2.00%	2.00%	1.00%
Subsequent Event
Subsequent Event [Line Items]
Debt instrument minimum liquidity ratio financial covenant	1.35%		1.70%
Subsequent Event | Debt Instrument, Redemption, Period One
Subsequent Event [Line Items]
Debt covenant term	30 months
Debt instrument prepayment premium (as a percent)	3.50%		3.00%
Subsequent Event | Debt Instrument, Redemption, Period Two
Subsequent Event [Line Items]
Debt instrument prepayment premium (as a percent)	2.50%		2.00%