OTHER INCOME , NET Components of Other Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Income and Expenses [Abstract]
Interest and investment income	$ 44	$ 54	$ 101	$ 88
Income tax expense	(665)	(473)	(494)	(861)
Other non-operating income	0	0	745	10
Total other income (expense), net	$ (621)	$ (419)	$ 352	$ (763)