EMPLOYEE BENEFIT PLANS (Details 4) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Change in plan assets
Fair value of plan assets at beginning of year	$ 16,000
Fair value of plan assets at end of year	16,200	$ 16,000
Supplemental Executive Retirement Plans [Member]
Change in accumulated benefit obligation
Benefit obligation at beginning of year	14,177	13,290	$ 12,537
Accumulated service cost	423	395	742
Interest cost	547	539	470
Actuarial loss/(gain)	969	273	(183)
Accumulated benefit obligation at end of year	15,749	14,177	13,290
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(367)	(320)	(276)
Change in plan assets
Employer contribution	367	320	276
Defined Benefit Plan, Plan Assets, Benefits Paid	(367)	(320)	(276)
Funded status at end of year	(15,749)	(14,177)	(13,290)
Assets	0	0	0
Liabilities	(15,749)	(14,177)	(13,290)
Accrued benefit cost	(15,749)	(14,177)	(13,290)
Amounts recognized in accumulated other comprehensive income (“AOCI”)
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	3,465	2,830	2,859
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax	1,047	1,323	1,599
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	4,512	4,153	4,458
Information for plans with an accumulated benefit obligation in excess of plan assets
Projected benefit obligation	15,749	14,177	13,290
Accumulated benefit obligation	15,749	14,177	13,290
Net periodic benefit cost
Service cost	423	395	742
Interest cost	547	539	470
Amortization of prior service cost	276	276	305
Recognized net actuarial loss	334	303	317
Net periodic benefit cost	1,580	1,513	1,834
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year
Net actuarial loss	415	338	270
Net prior service cost	$ 276	$ 276	$ 276
Minimum [Member] | Supplemental Executive Retirement Plans [Member]
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year
Discount rate used for benefit obligation	2.48%	2.49%	2.49%
Discount rate used for net periodic benefit cost	2.49%	2.49%	2.24%
Maximum [Member] | Supplemental Executive Retirement Plans [Member]
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year
Discount rate used for benefit obligation	3.45%	3.94%	4.16%
Discount rate used for net periodic benefit cost	3.94%	4.16%	3.84%