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Earnings Per Common Share (EPS) (Earnings Per Share) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Common Share (EPS) [Abstract]                
Net Income $ 2,078,000 $ 2,534,000 $ 1,984,000 $ 2,574,000 $ 2,292,000 $ 2,139,000 $ 6,596,000 $ 7,005,000
Weighted average number of shares outstanding - basic 4,543,338     4,683,581     4,568,789 4,721,423
Weighted average shares outstanding – diluted 4,543,338     4,683,581     4,568,789 4,721,423
Earnings per common share – basic $ 0.46     $ 0.55     $ 1.44 $ 1.48
Earnings per common share – diluted $ 0.46     $ 0.55     $ 1.44 $ 1.48