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Stock-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Summary of Restricted Stock Activity (Details) - Restricted Stock
 3 Months Ended
Mar. 31, 2025
USD ($)
$ / shares
shares
Number of Shares  
Outstanding at beginning of period (in shares) 105,750
Granted (in shares) 0
Vested (in shares) 0
Change in awards based on performance (in shares) 0
Forfeited (in shares) (2,000)
Outstanding at end of period (in shares) 103,750
Authorized future grants (in shares) 35,100
Weighted Average Estimated Fair Value Per Share  
Outstanding at beginning of period (in usd per share) | $ / shares $ 35.20
Granted (in usd per share) | $ / shares 0
Vested (in usd per share) | $ / shares 0
Change in awards based on performance (in usd per share) | $ / shares 0
Forfeited (in usd per share) | $ / shares (37.44)
Outstanding at end of period (in usd per share) | $ / shares $ 35.16
Estimated Aggregate Fair Value  
Outstanding at beginning of period | $ $ 3,722,660
Granted | $ 0
Vested | $ 0
Change in awards based on performance | $ 0
Outstanding at March 31 | $ (74,872)
Outstanding at end of period | $ $ 3,647,788