FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	$ 28,255	$ 32,774	$ 16,293	$ 34,722
Variable interest rate debt	5,893	11,606
Foreign currency forward contracts	258	255
Recurring | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	28,255	32,774
Cash and cash equivalents, fair value	28,255	32,774
Restricted cash	2,923	2,192
Restricted cash, fair value	2,923	2,192
Recurring | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Foreign currency forward contracts	308	163
Variable interest rate debt	5,986	11,771
Variable interest rate debt, fair value	5,986	11,771
Foreign currency forward contracts	$ 566	$ 418