Quarterly report pursuant to Section 13 or 15(d)

Effect of Derivative Instruments on the Income Statement (Details)

v3.19.2
Effect of Derivative Instruments on the Income Statement (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Designated as Hedging Instrument [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain or (Loss) Recognized in Income $ 1,000 $ 1,000
Designated as Hedging Instrument [Member] | Swap [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Location of Gain or (Loss) Recognized in Income     Other inc/(exp)  
Amount of Gain or (Loss) Recognized in Income 1,000 $ 1,000
Not Designated as Hedging Instrument [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain or (Loss) Recognized in Income (67,000) 150,000 $ (157,000) 297,000
Not Designated as Hedging Instrument [Member] | Sell A U D Buy U S D Fwd Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
[custom:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLineItemOnIncomeStatementForGainLoss1]     Other inc/(exp)  
Amount of Gain or (Loss) Recognized in Income 4,000 27,000 38
Not Designated as Hedging Instrument [Member] | Sell C A D Buy U S D Fwd Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
[custom:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLineItemOnIncomeStatementForGainLoss1]     Other inc/(exp)  
Amount of Gain or (Loss) Recognized in Income $ (71,000) $ 123,000 $ (157,000) $ 259,000