Derivatives (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Liabilities	$ (348)	$ (408)
Designated as Hedging Instrument [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Liabilities	(258)	(379)
Prepaid Assets and Other Current Assets [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	2,517	712
Prepaid Assets and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	1,412	654
Prepaid Assets and Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	1,412	654
Prepaid Assets and Other Current Assets [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	0	0
Prepaid Assets and Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	1,105	58
Accrued Liabilities [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Liabilities	(258)	(379)
Accrued Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Liabilities	(90)	(29)
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Liabilities	$ 0	$ 0