EMPLOYEE BENEFITS (Details 1) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Amounts recognized in accumulated other comprehensive income
Net amount recognized	$ (4,111)	$ (4,491)
Pension Benefits
Amounts recognized in accumulated other comprehensive income
Net actuarial loss	7,108	7,631
Prior service cost	$ (792)	$ (869)
Transition obligation
Plan amendment
Net amount recognized	$ 6,316	$ 6,762
SERP Benefits
Amounts recognized in accumulated other comprehensive income
Net actuarial loss	$ 546	$ 628
Prior service cost
Transition obligation	$ 60	$ 87
Plan amendment
Net amount recognized	$ 606	$ 715