EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Supplemental Employee Retirement Plan [Member]
Net periodic benefit cost
Service cost		$ 84	$ 77
Interest cost		113	108
Recognized net actuarial loss		62	55
Recognized prior service cost			2
Net period benefit cost	[1]	259	242
Other Postretirement Benefit Plan
Net periodic benefit cost
Service cost		13	15
Interest cost		36	38
Recognized net actuarial loss		10	8
Recognized prior service cost		(6)	(6)
Net period benefit cost	[1]	$ 53	$ 55

[1] (1) Presented within the consolidated statements of income within salaries and employee benefits.