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Stock-Based Compensation and Other Plans (Details 2) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock-based compensation expense      
Continuing operations $ 1,112 $ 3,151 $ 1,968
Discontinued operations 4,480 3,649 13,106
Total 5,592 6,800 15,074
Exit of Investment Banking and Fixed Income Businesses
     
Stock-based compensation expense      
Discontinued operations $ 4,100    
Shares vested 267,000