Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current income tax expense:
Federal	$ 73,299	$ 73,747	$ 47,688
State	10,197	9,428	5,282
Total current income tax expense	83,496	83,175	52,970
Deferred income tax expense (benefit):
Federal	993	(630)	(604)
State	149	(77)	239
Total deferred income tax expense (benefit)	1,142	(707)	(365)
Total income tax expense	$ 84,638	$ 82,468	$ 52,605