Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Current, Federal	$ 72,224	$ 70,982	$ 71,969
Current, State	37,365	28,461	25,086
Current income tax expense (benefit)	109,589	99,443	97,055
Deferred, Federal	6,794	11,636	32,099
Deferred, State	6,101	2,747	8,706
Deferred income tax expense	12,895	14,383	40,805
Income Tax Expense (Benefit), Total	$ 122,484	$ 113,826	$ 137,860