INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 8,458	$ 9,028
Unrecognized Tax Benefits	733	715	$ 803
Unrecognized tax benefits that would impact effective tax rate	700
Unrecognized tax benefits, accrued interest and penalties	300	200
Unrecognized tax benefits, income tax penalties and expense	42	$ 26
Expected decrease in unrecognized tax benefits	500
Foreign Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward	3,800
Charitable Contribution Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward	300
Current Liabilities
Tax Credit Carryforward [Line Items]
Unrecognized Tax Benefits	600
Other Long-term Liabilities
Tax Credit Carryforward [Line Items]
Unrecognized Tax Benefits	$ 200