Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current income tax expense (benefit):
Federal	$ 47,688	$ 20,968	$ 15,980
State	5,282	4,162	2,810
Total current income tax expense	52,970	25,130	18,790
Deferred income tax expense (benefit):
Federal	(604)	(354)	774
State	239	240	463
Total deferred income tax expense	(365)	(114)	1,237
Total income tax expense	$ 52,605	$ 25,016	$ 20,027