Income Taxes (Components of Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
U.S. Federal	$ 47,991	$ 35,733	$ 33,398
State	11,003	10,902	14,945
Current Total	58,994	46,635	48,343
Deferred:
U.S. Federal	5,301	11,079	11,399
State	631	4,147	3,065
Deferred Total	5,932	15,226	14,464
Income tax expense	$ 64,926	$ 61,861	$ 62,807