RETIREMENT PLANS (Schedule of Benefit Plan Funded Status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 27,165	$ 22,303
Service cost	881	689	$ 774
Interest cost	1,040	1,035	894
Change in assumptions	(1,438)	4,087
Benefits paid	(978)	(949)
Benefit obligation at end of year	26,670	27,165	22,303
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	38,163	34,711
Actual return on plan assets	(305)	2,050
Employer contribution	0	2,351
Benefits paid	(978)	(949)
Fair value of plan assets at end of year	36,880	38,163	$ 34,711
Funded Status, included in other assets	10,210	10,998
Amounts recognized in accumulated other comprehensive income: Total net actuarial loss	8,923	7,995
Amounts recognized in accumulated other comprehensive income: Prior service cost	1	25
Total included in accumulated other comprehensive loss (pretax)	$ 8,924	$ 8,020