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Income Taxes (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]        
Statutory tax rate 21.00% 21.00% 21.00% 21.00%
Increase (decrease) resulting from:        
Tax exempt interest 1.00% 1.30% 0.90% 1.60%
Tax exempt income on bank owned life insurance (1.10%) (1.10%) (1.40%) (0.80%)
Effective Income Tax Rate Reconciliation, Captive Insurance Premium Income, Percent (0.70%) (0.70%) (0.80%) (0.80%)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent 0.00% 0.00% (1.10%) 0.00%
Other, net (0.30%) (1.00%) (0.40%) (0.80%)
Effective tax rate 17.90% 16.90% 16.40% 17.00%