Income Taxes (Schedule Of Accrued Liability For Unrecognized Tax Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits at beginning of year	$ 1,205	$ 1,276
Gross increases – tax positions in prior period	25	21
Gross increases – current-period tax positions	336	235
Lapse of statute of limitations	(296)	(327)
Unrecognized tax benefits at end of year	$ 1,270	$ 1,205