Quarterly report pursuant to Section 13 or 15(d)

Stock Based and Deferred Compensation (Details)

v3.3.0.814
Stock Based and Deferred Compensation (Details) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Summary of compensation expense and stock award activity        
Stock-based compensation expense $ 3,953 $ 3,771 $ 12,418 $ 9,035
Stock options exercised 3,000 1,200 146,640 41,445
Restricted Stock [Member]        
Summary of compensation expense and stock award activity        
Restricted stock awards vested (includes performance-based awards) 1,800 2,100 372,004 309,490
Time Based Restricted Stock [Member]        
Summary of compensation expense and stock award activity        
Non-vested shares granted 20,600 0 424,387 374,683
Performance Shares [Member]        
Summary of compensation expense and stock award activity        
Non-vested shares granted 0 0 66,187 52,083