EMPLOYEE BENEFIT PLAN - Narrative (Details)		12 Months Ended
Jan. 01, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Employer contribution as a percentage of employees' salary	4.00%	3.00%

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration