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Retirement Plan (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Benefit Obligation, Plan and Assets [Line Items]      
Service cost $ 0 $ 0 $ 0
Interest cost 39 50 33
Expected return on plan assets (44) (48) (44)
Net amortization 58 69 36
Net periodic pension cost $ 53 $ 71 $ 25