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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amount and Fair Value (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Foreign currency exchange contracts | Maximum |  |
Derivative Instruments and Hedging Activities |  |
Term of derivative instrument | 3 months |
Not designated as hedging instruments | Accounts receivable, net | Receive EUR/pay USD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | $ 26,731 |
Fair Value, Assets | 246 |
Not designated as hedging instruments | Accounts receivable, net | Receive RSD/pay USD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 9,018 |
Fair Value, Assets | 59 |
Not designated as hedging instruments | Accounts receivable, net | Receive NOK/pay USD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 2,122 | $ 902
Fair Value, Assets | 17 | 13
Not designated as hedging instruments | Accounts receivable, net | Receive USD/pay SGD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 1,555 |
Fair Value, Assets | 7 |
Not designated as hedging instruments | Accounts receivable, net | Receive SGD/pay USD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets |  | 8,341
Fair Value, Assets |  | 30
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay GBP |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 38,406 | 40,648
Fair Value, Liabilities | (695) | (323)
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay AUD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 12,819 | 15,124
Fair Value, Liabilities | (172) | (105)
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay RUB |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 12,777 |
Fair Value, Assets | (55) |
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay NZD |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 3,071 |
Notional amount, Liabilities |  | 2,952
Fair Value, Assets | (33) |
Fair Value, Liabilities |  | (4)
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay ZAR |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 3,349 | 8,618
Fair Value, Liabilities | (32) | (68)
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay COP |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 3,793 | 2,931
Fair Value, Liabilities | (18) | (33)
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay DKK |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 1,283 |
Fair Value, Liabilities | $ (11) |
Not designated as hedging instruments | Accrued liabilities | Receive USD/pay EUR |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities |  | 6,894
Fair Value, Liabilities |  | $ (2)

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