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Stock-Based Compensation (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Option term 10 years  
Award vesting period 5 years  
Stock-based compensation expense $ 301 $ 192