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Share-Based Compensation (Restricted Share Activity) (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Number of Restricted Shares    
Nonvested balance, beginning 187,804 176,935
Granted (1) 93,130 78,775
Vested (63,385) (56,904)
Forfeited (7,760) (11,002)
Nonvested balance, ending 209,789 187,804
Weighted Average Grant-Date Fair Value    
Nonvested balance, beginning $ 24.29 $ 22.51
Granted (1) 23.57 25.82
Vested 22.28 22.26
Forfeited 23.24 22.86
Nonvested balance, ending $ 24.62 $ 24.29