EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Supplemental Employee Retirement Plan [Member]
Net periodic pension cost
Service cost	$ 99	$ 111	$ 198	$ 223
Interest cost	130	122	261	244
Recognized net actuarial loss	61	140	122	280
Net period benefit cost	290	373	581	747
Other Postretirement Benefit Plan
Net periodic pension cost
Service cost	12	11	24	23
Interest cost	37	33	74	66
Recognized net actuarial loss	6	14	12	27
Amortization of prior service credit	(6)	(6)	(12)	(12)
Net period benefit cost	$ 49	$ 52	$ 98	$ 104