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Share-Based Plans (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Shares        
Unvested, beginning of period (in shares)     119,778  
Unvested, end of period (in shares) 106,363   106,363  
Restricted Stock        
Shares        
Unvested, beginning of period (in shares)     119,778 135,694
Granted (in shares)   17,975 14,080  
Vested (in shares)   (32,061) (20,985)  
Forfeited (in shares)   (1,435) (6,510)  
Unvested, end of period (in shares) 106,363 120,173 106,363 120,173
Weighted-Average Grant Date Fair Value        
Unvested, beginning of period (in dollars per share)     $ 54.56 $ 52.13
Granted (in dollars per share)   $ 46.81 75.75  
Vested (in dollars per share)   49.13 47.73  
Forfeited (in dollars per share)   53.69 57.59  
Unvested, end of period (in dollars per share) $ 58.53 $ 52.12 $ 58.53 $ 52.12
Additional information        
Fair value of shares vested $ 64,000 $ 19,000 $ 1,510,000 $ 1,680,000
Compensation expense 444,000 485,000 1,360,000 1,460,000
Compensation expense after tax 330,000 $ 347,000 916,000 $ 1,010,000.00
Unrecognized compensation expense $ 2,980,000   $ 2,980,000  
Weighted average period     2 years 6 months  
Restricted Stock | Employees        
Summary of restricted stock awards        
Vesting period     5 years  
Restricted Stock | Nonemployee Directors        
Summary of restricted stock awards        
Vesting period     3 years