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Stock Based Compensation , Restricted Stock Activity (Details) - Restricted Stock [Member] - $ / shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Shares    
Outstanding at beginning of period (in shares) 28,596 17,752
Granted (in shares) 26,321 19,211
Vested (in shares) 8,817 3,818
Forfeited (in shares) 122 3,550
Outstanding at end of period (in shares) 45,978 29,595
Weighted Average Grant Date Fair Value    
Outstanding at beginning of period (usd per share) $ 17.42 $ 18.03
Granted (usd per share) 16.85 16.87
Vested (usd per share) 17.55 18.45
Forfeited (usd per share) 16.87 16.90
Outstanding at end of period (usd per share) $ 17.07 $ 17.37