EMPLOYEE BENEFIT PLANS - Change in benefit obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Change in Benefit Obligation
Interest Cost	$ 26	$ 32	$ 33
Pension Plan
Change in Benefit Obligation
Obligation at the Beginning of the Period	734	759
Interest Cost	32	32
Actuarial (Gain) Loss	73	(2)
Benefits Paid	(55)	(55)
Obligation at the End of the Period	784	734	759
Change in Plan Assets
Fair Value at the Beginning of the Period	766	837
Actual Returns on Plan Assets	133	(20)
Employer Contributions		4
Benefits Paid	(55)	(55)
Fair Value at the End of the Period	844	766	$ 837
Funded Status
Funded Status as of Period Ended	$ 60	$ 31