EMPLOYEE BENEFIT PLANS (Schedule of Changes in Projected Benefit Obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Change in projected benefit obligation:
Benefit obligation, beginning of year	$ 8,271	$ 8,543	$ 7,592
Service cost		172	156
Interest cost		281	316
Actuarial gain		130	976
Benefits and expenses paid		(855)	(497)
Benefit obligation, end of year		8,271	8,543
Change in plan assets:
Fair value of plan assets	5,094	5,484	5,233
Actual return on plan assets		(39)	244
Employer contributions		504	504
Fair value of plan assets		5,094	5,484
Underfunded status		(3,177)	(3,059)
Cash Balance Plan [Member]
Change in projected benefit obligation:
Benefit obligation, beginning of year	6,142	6,432	5,637
Service cost		172	156
Interest cost		210	236
Actuarial gain		29	746
Benefits and expenses paid		(701)	(343)
Benefit obligation, end of year		6,142	6,432
Change in plan assets:
Fair value of plan assets	5,094	5,484	5,233
Actual return on plan assets		(39)	244
Employer contributions	400	350	350
Fair value of plan assets		5,094	5,484
Underfunded status		(1,048)	(948)
SERP Plan [Member]
Change in projected benefit obligation:
Benefit obligation, beginning of year	2,129	$ 2,111	$ 1,955
Service cost
Interest cost		$ 71	$ 80
Actuarial gain		101	230
Benefits and expenses paid	$ (200)	(154)	(154)
Benefit obligation, end of year		$ 2,129	$ 2,111
Change in plan assets:
Fair value of plan assets
Actual return on plan assets
Employer contributions		$ 154	$ 154
Fair value of plan assets
Underfunded status		$ (2,129)	$ (2,111)