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Stock-Based Compensation Plan (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Maximum number of shares of common stock that may be granted through awards to any employee in any calendar year 500  
Number of stock options issued under a plan 30  
Stock options granted fair value $ 221  
Allocated Share-based Compensation Expense 219 370
Unrecognized compensation cost related to unvested stock options 2,450  
Unvested restricted stock awards 340  
Unvested stock options 888  
Unrecognized compensation cost related to unvested restricted stock awards $ 850  
Vesting On December 31, 2016 [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unvested stock options 12