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Share-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Summary of Option Activity (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Number of Shares        
Outstanding options at beginning of period (in shares)     1,183,000  
Options granted (in shares)     0  
Options exercised (in shares) 0 (4,375,000) 0 (4,375,000)
Options expired/forfeited (in shares)     (87,500)  
Outstanding options at end of period (in shares) 1,095,500   1,095,500  
Exercisable options at end of period (in shares) 966,375   966,375  
Weighted Average Exercise Price per share        
Outstanding options at beginning of period (in usd per share)     $ 48.55  
Options granted (in usd per share)     0  
Options exercised (in usd per share)     0  
Options expired/forfeited (in usd per share)     51.07  
Outstanding options at end of period (in usd per share) $ 48.35   48.35  
Exercisable options at end of period (in usd per share) $ 49.56   $ 49.56  
Aggregate Intrinsic Value        
Outstanding options at beginning of period     $ 927,476  
Options granted     0  
Options exercised     0  
Options expired/forfeited     0  
Outstanding options at end of period $ 64,794   64,794  
Exercisable options end of period $ 36,881   $ 36,881