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Federal Income Taxes
 6 Months Ended
Jun. 30, 2022
Income Tax Disclosure [Abstract]  
Federal Income Taxes Federal Income TaxesThe reconciliation of the provision for federal income taxes and the amount computed at the federal statutory tax rate of 21% of income before federal income tax expense is as follows for the:
Three Months Ended 
 June 30		Six Months Ended 
 June 30
2022202120222021
Income taxes at statutory rate$1,339 $1,156 $2,529 $2,508 
Effect of nontaxable income
Interest income on tax exempt municipal securities(144)(159)(278)(331)
Earnings on corporate owned life insurance policies(48)(40)(103)(110)
Other(4)(7)(8)(13)
Total effect of nontaxable income(196)(206)(389)(454)
Effect of nondeductible expenses6 3 17 12 
Effect of tax credits(68)(72)(141)(144)
Federal income tax expense$1,081 $881 $2,016 $1,922