Stock Compensation Plans (Vesting Terms) (Details) (Restricted Stock And Share Unit [Member]) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	586	271	0
25 Percent Per Year For Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	501	78	0
100 Percent February 20, 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	72	0	0
33 Percent Immediately, 33 Percent Per Year Thereafter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	13	3	0
33 Percent January 1, 2013, 25 Percent 2 Year, 25 Percent Each Year Thereafter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	0	184	0
100 Percent July 27, 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	0	6	0