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Stock-Based Compensation Plans - Schedule of Nonvested Restricted Stock (Details) - Restricted stock - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Nonvested Restricted Stock, Number of Shares      
Nonvested, Beginning (in shares) 19,855 18,135 17,655
Granted (in shares) 9,300 7,550 7,400
Vested (in shares) (5,870) (5,830) (6,820)
Forfeited (in shares) (1,940)   (100)
Nonvested, Ending (in shares) 21,345 19,855 18,135
Nonvested Restricted Stock, Weighted Average Grant Date Fair Value      
Nonvested, Beginning (in dollars per share) $ 49.33 $ 45.61 $ 40.73
Granted (in dollars per share) 48.11 53.40 50.55
Vested (in dollars per share) 47.18 43.03 38.40
Forfeited (in dollars per share) 49.51   42.35
Nonvested, Ending (in dollars per share) $ 49.40 $ 49.33 $ 45.61