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Stock-Based Compensation (Summary of Stock Option Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Stock-based Compensation [Abstract]      
Shares, Outstanding and Exercisable, Beginning of Period 18,750    
Shares, Outstanding and Exercisable, End of Period 18,750   18,750
Weighted Average Exercise Price, Outstanding and Exercisable at Beginning of Year $ 10.64    
Weighted Average Exercise Price, Outstanding and Exercisable at End of Period $ 10.64   $ 10.64
Weighted Average Remaining Contractual Term, Outstanding and Exercisable, Beginning 1 year 2 years 1 year 3 months 18 days
Weighted Average Remaining Contractual Term, Outstanding and Exercisable, Ending 1 year 2 years 1 year 3 months 18 days
Aggregate Intrinsic Value, Outstanding and Exercisable at End of Period $ 679 $ 762