Income Taxes (Schedule Of Reconciliation Of The U.S. Federal Statutory Rate To Effective Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	21.00%	21.00%	21.00%
State income taxes	2.70%	3.80%	3.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	1.30%	0.50%	0.20%
Effective Income Tax Rate Reconciliation, Deduction, Percent	(3.00%)	(0.80%)	(0.30%)
Other	0.20%	0.20%	0.10%
Effective tax rate	22.20%	24.70%	24.00%