Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Unrecognized Compensation Expense Expected to be Recognized in Future Periods) (Details)

v2.4.0.6
Share-Based Compensation (Unrecognized Compensation Expense Expected to be Recognized in Future Periods) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested awards, total compensation cost not yet recognized, stock options $ 0 $ 0 $ 57
RSUs [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested awards, total compensation cost not yet recognized, share-based awards other than options 6,320 5,748 3,353
Future share-based compensation expense expected to be recognized for:      
2013 3,565    
2014 2,182    
2015 573    
Therafter 0    
Total 6,320    
Cash-settleable RSU awards [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested awards, total compensation cost not yet recognized, share-based awards other than options 2,826 2,498 2,676
Future share-based compensation expense expected to be recognized for:      
2013 1,862    
2014 937    
2015 27    
Thereafter 0    
Total $ 2,826