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Derivative Financial Instruments - Notional Amount and Fair Value (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Forward contracts
   
Asset Derivatives    
Notional Amount $ 27,617 $ 30,628
Fair Value 32 227
Interest rate lock commitments
   
Asset Derivatives    
Notional Amount 18,658 20,752
Fair Value $ 170 $ 79