Income Taxes Income Taxes (Reconciliation Statutory Income Tax Rates) (Details)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent	(1.40%)	(1.60%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	1.90%	2.20%
Effective Income Tax Rate Reconciliation, Low-Income Housing and Rehabilitation, Percent	(0.20%)	(0.30%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	0.50%	0.80%
Effective Income Tax Rate Reconciliation, Percent	21.80%	22.10%