Income Taxes (Reconciliation of Statutory and Effective Tax Rates) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Statutory tax rate	21.00%	21.00%	21.00%
Effective tax rate increase (decrease) - State taxes net of federal benefit	2.90%	2.70%	2.60%
Effective tax rate increase (decrease) - Tax-exempt interest	(1.70%)	(1.20%)	(0.90%)
Effective tax rate increase (decrease) - Life insurance	(0.90%)	(0.80%)	(0.80%)
Effective tax rate increase (decrease) - Tax credits	(5.20%)	(3.20%)	(4.40%)
Effective tax rate increase (decrease) - Other	0.10%	(0.30%)	0.60%
Effective tax rate	16.20%	18.20%	18.10%