Income Taxes (Schedule of Income Taxes Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax at federal statutory rate	$ 80,229	$ 43,991	$ 40,197
State income tax, net of federal income tax impact	13,056	6,710	4,578
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount	6,153	3,015	587
Federal tax credits	(1,230)	(1,307)	(1,435)
Share-based payment compensation excess tax benefit	(1,191)	(190)	(1,579)
Other	(2,712)	(1,178)	2,557
Provision for income taxes	$ 94,305	$ 51,041	$ 44,905