ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) AOCI - (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Total - Beginning balance	$ (351)	$ (825)	$ (1,009)
Foreign currency translation	481	75	(653)
Reclassification to operations	431	2,587	3,186
Unrealized losses	(832)	(1,906)	(2,232)
Pension remeasurement	253
Tax (provision) benefit	(31)	(282)	(117)
Total - Ending balance	(49)	(351)	(825)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Total - Beginning balance	1,533	1,486	1,900
Foreign currency translation	481	75	(653)
Tax (provision) benefit	(184)	(28)	239
Total - Ending balance	1,830	1,533	1,486
Unrealized Gain (Loss) on Cash Flow Hedging Instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Total - Beginning balance	(1,884)	(2,311)	(2,909)
Reclassification to operations	431	2,587	3,186
Unrealized losses	(832)	(1,906)	(2,232)
Tax (provision) benefit	153	(254)	(356)
Total - Ending balance	(2,132)	(1,884)	(2,311)
Defined Benefit Plan
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Total - Beginning balance	0	0	0
Pension remeasurement	253
Total - Ending balance	$ 253	$ 0	$ 0