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Stock-Based Compensation (Summary Of Changes In Company's Nonvested Restricted Shares) (Details) - Restricted Stock [Member] - $ / shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Shares, Nonvested at, Beginning 102,916  
Shares, Granted  
Shares, Vested (17,092)  
Shares, Forfeited (5,234) (1,493)
Shares, Nonvested at, Ending 80,590  
Weighted Average Grant date Fair Value, Nonvested at, Beginning $ 13.11  
Weighted Average Grant date Fair Value, Granted  
Weighted Average Grant date Fair Value, Vested 12.89  
Weighted Average Grant date Fair Value, Forfeited 12.81  
Weighted Average Grant date Fair Value, Nonvested at, Ending $ 13.17