Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 53,967	$ 29,991	$ 17,709
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount	(2,976)	(862)	(1,252)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	4,425	3,606	2,706
Write-off of state net operating losses	0	0	1,063
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0	0	(1,063)
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	(3,629)	(8,088)	0
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	818	369	864
Total income tax expense	$ 52,605	$ 25,016	$ 20,027
Effective Income Tax Rate Reconciliation, Percent	20.50%	17.50%	23.70%