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Income Taxes
9 Months Ended
Sep. 30, 2020
Income Tax Disclosure [Abstract]  
Income Taxes
Note 6    Income Taxes
The Company’s effective income tax rate was 22.5% and 21.3% for the three and nine months ended September 30, 2020, respectively, and 24.1% and 25.3% for the three and nine months ended September 30, 2019, respectively. The effective income tax rates differed from the statutory federal income tax rate of 21% for the 2019 periods due primarily to the impact of state income taxes, partially offset by the benefit of income not subject to federal tax. These factors were largely offsetting for the 2020 periods, when the effective income tax rate did not differ materially from the Federal statutory rate of 21%. During the three and nine months ended September 30, 2020, income not subject to tax was a larger percentage of pre-tax income.