Equity-Based Compensation (Details Of Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employee equity-based compensation expense $ 1,026 $ 1,170 $ 3,058 $ 3,271
Actual tax benefit realized for tax deductions from equity-based plans 62 0 217 71
Director deferred compensation expense (income) 111 25 125 375
Performance shares [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employee equity-based compensation expense 882 959 2,577 2,708
Restricted stock units [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employee equity-based compensation expense $ 144 $ 211 $ 481 $ 563