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Income Taxes (Income Tax Rate Reconciliation) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Taxes [Abstract]      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 34.00% 34.00% 34.00%
Effective Income Tax Rate Reconciliation, Tax Exempt Income (6.70%) (6.90%) (7.50%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent 0.40% 0.30% 0.50%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Life Insurance, Percent (3.70%) (1.20%) (1.20%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent 0.20% 0.30% 0.20%
Effective Income Tax Rate, Continuing Operations, Total 24.20% 26.50% 26.00%