Income Taxes (Income Tax Reconciliation) (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Line Items]
U.S. Federal taxes at statutory rate	$ 62,791	$ 25,564	$ 94,422
State and local taxes, net of U.S. Federal tax	7,477	(331)	2,238
Goodwill impairments	10,864	15,628	1,612
Other, net	4,431	3,376	(6,873)
Total provision for income tax	87,300	51,300	96,300
State [Member]
Income Taxes [Line Items]
Valuation allowance against tax benefits	5,107	6,800	859
non-U.S. [Member]
Income Taxes [Line Items]
Valuation allowance against tax benefits	$ (3,370)	$ 263	$ 4,042