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Stock Compensation Plan (Non-Vested Restricted Shares Activity) (Details) - Restricted Stock [Member]
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Number of shares  
Non-vested at January 1, 2021 | shares 20,175
Vested | shares (4,460)
Forfeited | shares (200)
Granted | shares 8,839
Non-vested at September 30, 2021 | shares 24,354
Weighted Average Grant Date Fair Value  
Non-vested at January 1, 2021 | $ / shares $ 19.62
Vested | $ / shares 19.80
Forfeited | $ / shares 17.90
Granted | $ / shares 16.55
Non-vested at September 30, 2021 | $ / shares $ 18.49