OTHER ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Cash surrender value of the COLI	$ 8,500	$ 5,800
Increase (decrease) in cash surrender value	(100)	200	$ 700
Proceeds from sale of marketable securities	2,820	0	2,820
Investments held in Rabbi Trust [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of investments	2,900	5,800
Fair value of investments	3,600	6,500
Unrealized gain on investments	700	700
Proceeds from sale of marketable securities	2,800
Supplemental Employee Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation	15,576	14,205	$ 10,830
Value of assets earmarked for SERP use but not restricted to that use	12,200	$ 12,300
Proceeds from sale of marketable securities	$ 2,800