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Derivative Financial Instruments (Details 2) (Designated as hedges, Cash flow hedges, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Interest rate swap
 
Derivative financial instruments  
Notional amount $ 10,000
Fair value of asset $ 24
Receive (variable) index
 
Derivative financial instruments  
Receive (variable) index US 3 Month LIBOR
Pay fixed swap rate
 
Derivative financial instruments  
Pay fixed swap rate (as a percent) 0.715%