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Income Taxes (Effective Tax Rates Differ From Federal Statutory Rate) (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Income Taxes [Abstract]        
Statutory tax rate 21.00% 21.00% 21.00% 21.00%
Increase (decrease) resulting from:        
Restricted stock 0.00% 0.00% 0.00% (0.30%)
Tax exempt earnings on bank owned life insurance (0.70%) (0.60%) (0.60%) (0.60%)
Dividends on equity securities (0.20%) (0.20%) (0.20%) (0.20%)
Low income housing credits (0.50%) (0.90%) (0.50%) (0.80%)
Other, net 0.00% 0.10% 0.00% 0.10%
Effective tax rate 19.60% 19.40% 19.70% 19.20%