EMPLOYEE BENEFITS (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) program investment_manager
Defined Benefit Plan Disclosure [Line Items]
Number of programs offered under health and dental benefit plan | program	2
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Eligibility, minimum required service period	1 year
Eligibility, minimum age	21 years
Estimated employer contribution in next fiscal year | $	$ 6,384
Number of external investment managers | investment_manager	6