FAIR VALUE MEASUREMENTS (Recurring and Nonrecurring) (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets and Liabilities at Fair Value Measured on Recurring Basis
Assets, Fair Value Disclosure	$ 157	$ 566
Liabilities, Fair Value Disclosure	604	175
Level 2
Assets and Liabilities at Fair Value Measured on Recurring Basis
Assets, Fair Value Disclosure	157	566
Liabilities, Fair Value Disclosure	604	175
Foreign exchange contracts
Assets and Liabilities at Fair Value Measured on Recurring Basis
Assets, Fair Value Disclosure	157	566
Liabilities, Fair Value Disclosure	604	175
Foreign exchange contracts | Level 2
Assets and Liabilities at Fair Value Measured on Recurring Basis
Assets, Fair Value Disclosure	157	566
Liabilities, Fair Value Disclosure	$ 604	$ 175