v2.4.0.8
Stock-Based Compensation Plans (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock awards granted 80 84 303 168
Share based compensation expense $ 3,125 $ 1,304 $ 5,346 $ 2,480
2004 Incentive Stock Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock awards granted 68 73 291 157
Restricted stock awards remaining to grant     56  
2004 Restricted Stock Plan For Non Employee Directors [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock awards granted 12 11 12 11
Share based compensation expense     $ 600 $ 300
Executive Officer [Member] | 2004 Incentive Stock Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock awards granted     27 13