Income Taxes (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Statutory tax rate	21.00%	21.00%	21.00%	21.00%
Increase (decrease) resulting from:
Tax exempt interest	(1.50%)	(4.30%)	(1.70%)	(4.40%)
Tax exempt income on bank owned life insurance	(0.70%)	(1.20%)	(0.70%)	(1.20%)
Effective Income Tax Rate Reconciliation, Captive Insurance Premium Income, Percent	(0.90%)	(1.30%)	(0.90%)	(1.00%)
Other, net	(0.80%)	0.90%	(0.70%)	0.70%
Effective tax rate	17.10%	15.10%	17.00%	15.10%