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Shareholders' Equity and Compensation Plans - Schedule of Employee Stock Options and SSARs Activity (Details) - Stock Options and SSARs
12 Months Ended
Dec. 31, 2023
$ / shares
shares
Shares  
Outstanding at beginning of period (in shares) | shares 222,032
Granted (in shares) | shares 122,161
Exercised (in shares) | shares (909)
Forfeited (in shares) | shares (9,676)
Outstanding at end of period (in shares) | shares 333,608
Exercisable (in shares) | shares 53,208
Weighted Average Exercise Price  
Outstanding at beginning of period (usd per share) | $ / shares $ 46.12
Granted (usd per share) | $ / shares 54.46
Exercised (usd per share) | $ / shares 45.28
Forfeited (usd per share) | $ / shares 48.30
Outstanding at end of period (usd per share) | $ / shares 49.11
Exercisable (usd per share) | $ / shares $ 45.30
Additional Disclosures  
Outstanding, weighted average remaining contractual term 8 years 2 months 12 days
Exercisable, weighted average remaining contractual term 7 years 6 months