Income Taxes (Schedule of components of earnings before income taxes and noncontrolling interests ) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes
United States	$ 3,198,048	$ 4,996,762	$ 4,179,064
Foreign	20,895	24,307	30,006
Income before income taxes	$ 3,218,943	$ 5,021,069	$ 4,209,070