Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 5)

v2.4.0.8
Stock-Based Compensation (Details 5) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended 3 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended
Jun. 30, 2013
Mar. 31, 2013
Restricted Stock
Jun. 30, 2013
Restricted Stock
Apr. 11, 2013
2012 Plan
Jun. 30, 2013
2012 Plan
Jun. 30, 2013
2012 Plan
Minimum
Jun. 30, 2013
2012 Plan
Maximum
Jun. 30, 2013
2012 Plan
Restricted Stock
Stock Based Compensation                
Unrecognized compensation expense related to unvested stock options $ 4,823              
Unrecognized compensation expense related to unvested stock options and restricted stock, weighted-average recognition period 1 year 4 months 24 days   2 years 4 months 24 days     1 year 9 months 3 years 9 months  
Unrecognized compensation expense related to unvested restricted     $ 3,356         $ 4,832
Unvested restricted stock, service condition         2 years      
Shares of restricted stock became performance vested   181,625            
Number of performance awards valued due to modification (in shares)       113,249        
Number of performance awards voluntary forfeited due to modification (in shares)       103,521