INCOME TAXES (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Undistributed Earnings of Foreign Subsidiaries	$ 52,400
Current deferred income tax assets		$ 0
Significant (Increase) Decrease in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	1,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	100
Non-current deferred income tax assets	3,000	2,430
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	1,300	1,100
Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Operational Results And Decrease In Minimum Pension Liabilities	(400)	1,000
Income Taxes Paid	1,700	1,500	$ 1,900
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	21,600
U.S. [Member]
Operating Loss Carryforwards [Line Items]
Adjustment To Additional Paid In Capital Income Tax Effect From Net Operating Loss Carryforwards	2,200
Operating Loss Carryforwards	23,900
Foreign Tax Authority Expires 2018 - 2034 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	11,100
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	47,800
Foreign Tax Authority No Expiration [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	36,700
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	7,700
New York State tax investment credit [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ 100
Other Comprehensive Income (Loss) [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ (900)