Derivatives Balance Sheet Location (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative assets	$ 2,178	$ 838
Other Current Assets | Foreign currency forward contracts | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	1,599	668
Other Current Assets | Foreign currency forward contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	579	170
Accrued Expenses
Derivatives, Fair Value [Line Items]
Derivative liabilities	1,036	905
Accrued Expenses | Foreign currency forward contracts | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	700	657
Accrued Expenses | Foreign currency forward contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 336	$ 248