Derivatives (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	$ 2,914	$ 712
Derivative Liabilities	(2,550)	(408)
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	2,274	654
Derivative Liabilities	0	0
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	0	0
Derivative Liabilities	(1,454)	(379)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Assets	640	58
Derivative Liabilities	$ (1,096)	$ (29)