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Income Taxes - Reconciliation of Income Tax Rates (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Taxes    
U.S. statutory federal rate 21.00% 21.00%
State and local rate, net of federal tax benefit 6.10% 4.64%
Stock compensation (6.14%) (5.56%)
Excess compensation deduction (5.32%) (0.68%)
Federal true-ups (5.09%) (0.10%)
Life insurance (0.52%) (0.10%)
Change in tax rate 0.00% 0.06%
Other permanent differences 0.00% (0.01%)
Income tax benefit 10.03% 19.25%