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Income Taxes	6 Months Ended
	Jun. 30, 2022
Income Taxes
Income Taxes	10.  Income Taxes ​ The effective income tax rates for the three months ended June 30, 2022 and 2021 were 24.1% and 21.2%, respectively. The effective income tax rates for the six months ended June 30, 2022 and 2021 were 25.3% and 23.7%, respectively. The 2022 and 2021 effective tax rates differed from the federal rate of 21% primarily because of state taxes and the benefit of tax-free municipal bond income.

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The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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