FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	$ 32,774	$ 16,293	$ 34,722	$ 26,855
Variable interest rate debt	11,771	16,225
Foreign currency forward contracts	255	322
Recurring | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	32,774	16,293
Cash and cash equivalents, fair value	32,774	16,293
Restricted cash	2,192	3,151
Restricted cash, fair value	2,192	3,151
Recurring | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Foreign currency forward contracts	163	307
Variable interest rate debt	11,771	16,225
Variable interest rate debt, fair value	11,771	16,225
Foreign currency forward contracts	$ 418	$ 629