EMPLOYEE BENEFIT PLANS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 34,000	$ 28,000
Common Class A [Member] | Defined Contribution Profit Sharing Plan [Member]
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Defined Benefit Plan, Plan Assets, Employer, Related Party, Number of Shares (in Shares)		487,159