Income Taxes (Components of Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
U.S. Federal	$ 33,398	$ 30,583	$ 31,002
State	14,945	12,910	9,705
Current Total	48,343	43,493	40,707
Deferred:
U.S. Federal	11,399	7,343	(6,075)
State	3,065	3,285	(3,547)
Deferred Total	14,464	10,628	(9,622)
Income tax expense	$ 62,807	$ 54,121	$ 31,085