DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Derivative Financial Instruments (Details) - Foreign exchange contracts - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Designated as Hedging Instrument | Accounts receivable-other
Derivatives, Fair Value [Line Items]
Asset derivatives	$ 532	$ 1,088
Designated as Hedging Instrument | Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives	0	312
Designated as Hedging Instrument | Accounts payable
Derivatives, Fair Value [Line Items]
Liability derivatives	0	105
Derivatives Not Designated as Hedges | Accounts receivable-other
Derivatives, Fair Value [Line Items]
Asset derivatives	14	7
Derivatives Not Designated as Hedges | Accounts payable
Derivatives, Fair Value [Line Items]
Liability derivatives	0	1,722
Derivatives Not Designated as Hedges | Other liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	$ 0	$ 12