Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v2.4.0.8
Stock-Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Stock-Based Compensation        
Maximum number of stock options and restricted stock available for future issuance 1,263,640   1,263,640  
Summary of employee stock-based compensation expense        
Employee stock-based compensation expense $ 2,015 $ 1,195 $ 6,281 $ 3,125
Tax effect on employee stock-based compensation expense (503) (482) (1,927) (1,256)
Net effect on income $ 1,512 $ 713 $ 4,354 $ 1,869