Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Current Expense, Domestic	$ 295,849	$ 239,090	$ 162,305
Deferred Expense (Benefit), Domestic	(27,544)	2,752	17
Domestic, Total	268,305	241,842	162,322
Current Expense, Foreign	42,890	0	23,375
Deferred Expense (Benefit), Foreign	23,532	10,048	(13,880)
Foreign, Total	66,422	10,048	9,495
Current Expense, Total	338,739	239,090	185,680
Deferred Expense (Benefit), Total	(4,012)	12,800	(13,863)
Total expense	334,727	251,890	171,817
Income (Loss) from Continuing Operations before Income Taxes, Domestic	1,240,000	1,224,000	831,000
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 480,000	$ 59,000	$ (126,000)