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Stock-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Summary of Option Activity (Details)
 3 Months Ended
Mar. 31, 2025
USD ($)
$ / shares
shares
Number of Shares  
Outstanding at beginning of period (in shares) | shares 1,183,000
Granted (in shares) | shares 0
Exercised (in shares) | shares 0
Expired/Forfeited (in shares) | shares 0
Outstanding at end of period (in shares) | shares 1,183,000
Exercisable at end of period (in shares) | shares 943,250
Weighted Average Exercise Price per share  
Outstanding at beginning of period (in usd per share) | $ / shares $ 48.55
Granted (in usd per share) | $ / shares 0
Exercised (in usd per share) | $ / shares 0
Expired/Forfeited (in usd per share) | $ / shares 0
Outstanding at end of period (in usd per share) | $ / shares 48.55
Exercisable at end of period (in usd per share) | $ / shares $ 50.64
Aggregate Intrinsic Value  
Outstanding at beginning of period | $ $ 927,476
Granted | $ 0
Exercised | $ 0
Expired/Forfeited | $ 0
Outstanding at end of period | $ 422,085
Exercisable at end of period | $ $ 149,340