Income Taxes (Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current income taxes:
Federal	$ 116,976	$ 118,723	$ 75,154
State	48,633	48,847	19,194
Foreign	3,207	6,936	6,501
Total current income taxes	168,816	174,506	100,849
Deferred income taxes:
Federal	18,560	794	284
State	(1,183)	(3,597)	(2,834)
Foreign	4,680	(58)	(1,508)
Total deferred income taxes	22,057	(2,861)	(4,058)
Total income tax expense	$ 190,873	$ 171,645	$ 96,791