Income Taxes (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Statutory tax rate	21.00%	21.00%	21.00%	21.00%
Increase (decrease) resulting from:
Tax exempt interest	0.70%	0.80%	0.70%	0.90%
Tax exempt income on bank owned life insurance	(0.90%)	(1.00%)	(0.90%)	(1.60%)
Effective Income Tax Rate Reconciliation, Captive Insurance Premium Income, Percent	(0.80%)	(0.70%)	(0.70%)	(0.70%)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	0.00%	0.00%	0.00%	(1.60%)
Other, net	(0.10%)	(0.30%)	(0.40%)	(0.50%)
Effective tax rate	18.50%	18.20%	18.30%	15.70%