PENSION PLAN - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) installment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	May 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Service period	3 years
Pension expense	$ 300,000	$ 300,000	$ 300,000
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.83%	2.50%	3.24%	4.46%
Benefit obligation	$ 12,230,000	$ 12,715,000	$ 11,435,000
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.00%
Benefit obligation	$ 1,800,000
Number of equal consecutive installments | installment	180
Consecutive installments, amount	$ 10,000
Accrued liability	1,300,000	1,200,000
Service cost	$ 48,800	$ 200,000