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Earnings Per Common Share (Potentially Dilutive Securities Excluded From Computation Of Earnings Per Share) (Details)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Earnings Per Common Share        
Antidilutive convertible preferred shares 15,865 15,819 15,865 15,819
Shares issuable under option awards 10 70 10 40
Unvested stock awards   202   111