Income Taxes (Schedule of Income before Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
United States	$ 5,365,547	$ 2,789,064	$ 1,719,326
Foreign	474,556	410,285	342,905
Income before income taxes	$ 5,840,103	$ 3,199,349	$ 2,062,231