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Stock and Incentive Compensation Plans - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Number of Shares        
Outstanding at beginning of period (in shares) 353,473 504,437 504,437  
Exercised (in shares) (11,582) (42,774)    
Expired (in shares) (7,116) (8,434)    
Outstanding at end of period (in shares) 334,775 453,229 353,473 504,437
Outstanding and exercisable (in shares) 334,775 453,229    
Weighted Average Exercise Price        
Outstanding at beginning of period (in dollars per share) $ 31.49 $ 29.46 $ 29.46  
Exercised (in dollars per share) 18.39 17.61    
Expired (in dollars per share) 35.48 33.39    
Outstanding at end of period (in dollars per share) 31.86 30.50 $ 31.49 $ 29.46
Outstanding and exercisable (in dollars per share) $ 31.86 $ 30.50    
Weighted average remaining contractual term (in years) 3 years 1 month 24 days 4 years 10 months 20 days 4 years 5 months 15 days 5 years 1 month 17 days
Weighted average remaining contractual term, outstanding and exercisable (in years) 3 years 1 month 24 days 4 years 10 months 20 days    
Aggregate Intrinsic Value $ 774 $ 1,139 $ 1,670 $ 3,736
Aggregate Intrinsic Value, exercised 151 738    
Aggregate Intrinsic Value, outstanding and exercisable $ 774 $ 1,139