OTHER INCOME, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
RSO dividends	$ 1,673	$ 2,289	$ 2,242
Interest income	519	708	685
Other expense, net	(474)	(465)	(111)
Other income, net	$ 1,718	$ 2,532	$ 2,816