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Derivatives (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]    
Derivative Assets $ 37 $ 543
Derivative Liabilities (997) (755)
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
   
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]    
Derivative Assets 0 0
Derivative Liabilities (258) (370)
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 (443) (318)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
   
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]    
Derivative Assets 37 543
Derivative Liabilities $ (296) $ (67)