Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)

v3.10.0.1
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
derivative_instrument
Dec. 31, 2017
USD ($)
Not Designated as Hedging Instrument [Member] | Other Nonoperating Income (Expense) [Member]    
Derivative [Line Items]    
Amount of Gain or (Loss) Recognized in Income $ (490) $ (333)
AUD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Number of Instruments | derivative_instrument 8  
AUD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Short [Member]    
Derivative [Line Items]    
Sell Notional $ 1,000  
AUD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Long [Member]    
Derivative [Line Items]    
Sell Notional 724  
AUD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Nonoperating Income (Expense) [Member]    
Derivative [Line Items]    
Amount of Gain or (Loss) Recognized in Income $ 67 (29)
CAD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Number of Instruments | derivative_instrument 10  
CAD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Short [Member]    
Derivative [Line Items]    
Sell Notional $ 6,550  
CAD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Long [Member]    
Derivative [Line Items]    
Sell Notional 4,940  
CAD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Nonoperating Income (Expense) [Member]    
Derivative [Line Items]    
Amount of Gain or (Loss) Recognized in Income $ 423 (304)
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Number of Instruments | derivative_instrument 18  
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Long [Member]    
Derivative [Line Items]    
Sell Notional $ 5,664  
Other Assets [Member]    
Derivative [Line Items]    
Derivative Asset 139 0
Other Assets [Member] | AUD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset 18 0
Other Assets [Member] | CAD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset 121 0
Other Current Liabilities [Member]    
Derivative [Line Items]    
Derivative Liabilities (5) (70)
Other Current Liabilities [Member] | AUD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liabilities (1) (9)
Other Current Liabilities [Member] | CAD USD Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liabilities $ (4) $ (61)