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Income Taxes (Reconciliation Of Statutory Rate to Effective Rate) (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Abstract]      
Statutory rate 35.00% 35.00% 35.00%
State tax, net of federal benefit 1.20% 0.40% 1.30%
Tax exempt interest and dividends (0.20%) (0.00%) (0.10%)
Other (2.20%) (2.40%) (2.80%)
Effective Rate 33.80% 33.00% 33.40%