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 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Stock-Based Compensation        
Maximum number of stock options and restricted stock available for future issuance 1,309,379   1,309,379  
Summary of employee stock-based compensation expense        
Employee stock-based compensation expense $ 1,960 $ 1,135 $ 4,266 $ 1,930
Tax effect on employee stock-based compensation expense (832) (456) (1,475) (777)
Net effect on income $ 1,128 $ 679 $ 2,791 $ 1,153