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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Statutory federal income tax rate 21.00% 21.00% 21.00%
State income taxes, net of federal tax benefit 3.40% 4.40% 3.60%
Other items 0.10% (0.10%) 0.40%
Effective income tax rate 24.50% 25.30% 25.00%