Share Based Compensation (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended 0 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Apr. 24, 2007
2003 Option Plan [Member]
Apr. 24, 2007
2003 Option Plan [Member]
Maximum [Member]
Apr. 24, 2007
2003 Option Plan [Member]
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of unissued common stock reserved for issuance upon exercise of stock options         570,000    
Number of shares available to grant         66,000    
Option exercise period, years           10 years 7 years
Compensation cost charged against income for the stock options portion of the Option Plans $ 10 $ (5) $ 20 $ 50