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Income Taxes, Income Tax Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Taxes [Abstract]    
Federal income tax rate 21.00% 21.00%
Reconciliation of Financial Statement Tax Provision [Abstract]    
Statutory tax $ 2,943 $ 2,584
Effect of nontaxable interest (378) (348)
Effect of nontaxable insurance premiums (220) (210)
Income from bank owned insurance, net (168) (161)
Effect of postretirement benefits 26 124
Effect of nontaxable life insurance death proceeds (10) 0
Effect of state income tax 150 125
Tax credits (72) (102)
Other items 13 36
Total income taxes [1] $ 2,284 $ 2,048
Effective income tax rate 16.30% 16.60%
Unrecognized tax benefits $ 0 $ 0
Interest and/or penalties related to income tax $ 0 $ 0
Open tax years 2018 2019 2020  
[1] Effective income tax rates were 16.3% for 2021 and 16.6% for 2020