Income Taxes (Reconciliation Of Statutory Federal Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal income tax benefit	1.70%	2.10%	0.70%
Tax-exempt income, net of disallowed cost of funding	(2.80%)	(3.30%)	(4.00%)
BOLI income	(1.10%)	(0.90%)	(1.00%)
Excess tax benefit of share-based compensation		0.10%
Non-deductible officer compensation	0.10%
Other	0.50%	0.20%	0.10%
Total	19.40%	19.20%	16.80%