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Derivative Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2013
Derivative Financial Instruments [Abstract]  
Schedule of Derivative Financial Instruments
Derivatives not designated
as hedging instruments
  Location of gain (loss) recognized
in Income on Derivative
  March 31, 2013     March 31, 2012  
                 
Interest rate swaps   Interest income   $ -     $ 30  
Foreign exchange contracts   Gain (loss) on foreign currency   $ (25 )   $ 114