SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Details) - Supplemental Executive Retirement Plan [Member] $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) participant	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) participant	Sep. 30, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of participants | participant	6		6
Components of net periodic pension cost [Abstract]
Service cost	$ 319	$ 167	$ 867	$ 502
Interest cost	166	106	452	318
Amortization of prior service cost	436	146	1,114	437
Total net periodic benefit cost	$ 921	$ 419	$ 2,433	$ 1,257