EMPLOYEE SAVINGS AND BENEFIT PLANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred Compensation Plans
Beginning of period balance	$ 10,137	$ 11,017	$ 10,459
Employee compensation deferrals	963	534	420
Employee compensation payments	(945)	(1,464)	(734)
Increase (decrease) in plan fair value	720	50	872
End of period balance	10,875	10,137	11,017
Company's contribution to the 401K Plan
401(K) savings plan expense	$ 1,000	$ 900	$ 800