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Accumulated Other Comprehensive Income (Loss) (Reclassification adjustments) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Income before federal income tax expense $ 26,844 $ 23,347 $ 11,872
Labor and Related Expense 24,887 23,749 23,772
Federal income tax expense (4,606) (3,848) (987)
NET INCOME 22,238 19,499 10,885
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Holding Gains (Losses) on AFS Securities [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Federal income tax expense 0 0 (15)
NET INCOME 0 0 56
Debt Securities, Available-for-sale, Realized Gain (Loss), Excluding Other-than-temporary Impairment 0 0 71
Reclassification out of Accumulated Other Comprehensive Income [Member] | Defined Benefit Pension Plan [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Labor and Related Expense 59 (31) 176
Federal income tax expense (12) 7 (37)
NET INCOME $ 47 $ (24) $ 139