Income Taxes (Schedule of Components of Income Tax Expense (Benefit) ) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes
Current income tax expense	$ 643,639	$ 88,914	$ 149,106
Deferred income tax expense	318,617	45,736	48,331
Total income tax expense	$ 962,256	$ 134,650	$ 197,437