Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 76,575	$ 493,951
Effective income tax rate, percent	17.71%	20.72%
Federal Statutory income tax rate, percent	21.00%