Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Unamortized Value Of Awards With Market Conditions) (Details)

v2.3.0.15
Stock Based Compensation (Unamortized Value Of Awards With Market Conditions) (Details) (USD $)
In Thousands
9 Months Ended
Sep. 30, 2011
Relative TSR [Member] | Restricted Share Awards [Member]
 
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]  
Unamortized value of shares $ 894
Relative TSR [Member] | Unrestricted Share Awards [Member]
 
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]  
Unamortized value of shares 834
Absolute TSR [Member] | Restricted Share Awards [Member]
 
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]  
Unamortized value of shares 306
Absolute TSR [Member] | Unrestricted Share Awards [Member]
 
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]  
Unamortized value of shares $ 286