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Stock-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Additional Information (Detail) |  |  |  |  |  | 12 Months Ended
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May 20, 2024 shares | May 17, 2024 shares | May 12, 2023 USD ($) person $ / shares shares | May 13, 2022 USD ($) person $ / shares shares | Dec. 31, 2020 shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 $ / shares | Dec. 31, 2004
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Deferred compensation (in shares) | shares |  |  |  |  | 125,917 | 10,526 |  |  |
Exercise price of options (in usd per share) | $ / shares |  |  |  |  |  | $ 0 | $ 33.79 | $ 47.90 |
Allocated share based compensation |  |  |  |  |  | $ 700,000 |  |  |
Future expense |  |  |  |  |  | 1,000,000 |  |  |
Intrinsic value of options exercised |  |  |  |  |  | 58,200 |  |  |
Intrinsic value of options outstanding |  |  |  |  |  | 900,000 | $ 1,200,000 |  |
Intrinsic value of options exercisable |  |  |  |  |  | $ 300,000 | 200,000 |  |
Closing price (in usd per share) | $ / shares |  |  |  |  |  | $ 38.80 |  |  |
Weighted average remaining life of options exercisable |  |  |  |  |  | 4 years 3 months 18 days |  |  |
Weighted average remaining life of options outstanding |  |  |  |  |  | 4 years 10 months 24 days |  |  |
Minimum required percentage of shares granted that will vest |  |  |  |  |  | 0.90 |  |  |
Minimum |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Estimated percentage of shares granted that will vest |  |  |  |  |  | 0.50 |  |  |
Actual percentage of shares granted that will vest |  |  |  |  |  | 0.90 |  |  |
Maximum |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Estimated percentage of shares granted that will vest |  |  |  |  |  | 1.50 |  |  |
Actual percentage of shares granted that will vest |  |  |  |  |  | 1.10 |  |  |
2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Exercise price of options (in usd per share) | $ / shares |  |  |  | $ 47.90 |  |  |  |  |
Fair value stock option grant |  |  |  | $ 1,800,000 |  |  |  |  |
2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Exercise price of options (in usd per share) | $ / shares |  |  | $ 33.79 |  |  |  |  |  |
Fair value stock option grant |  |  | $ 1,400,000 |  |  |  |  |  |
Common stock |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Shares due to exercise of employee stock options and issuance of directors' deferred stock | shares |  |  |  |  |  | 7,970 |  |  |
Officers | 2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Number of individuals granted options | person |  |  |  | 19 |  |  |  |  |
Options vested |  |  |  | 25.00% |  |  |  |  |
Fair value stock option grant |  |  |  | $ 1,600,000 |  |  |  |  |
Officers | 2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Number of individuals granted options | person |  |  | 18 |  |  |  |  |  |
Options vested |  |  | 25.00% |  |  |  |  |  |
Fair value stock option grant |  |  | $ 1,200,000 |  |  |  |  |  |
Directors | 2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Number of individuals granted options | person |  |  |  | 11 |  |  |  |  |
Fair value stock option grant |  |  |  | $ 229,350 |  |  |  |  |
Directors | 2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Number of individuals granted options | person |  |  | 12 |  |  |  |  |  |
Fair value stock option grant |  |  | $ 195,900 |  |  |  |  |  |
Stock options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Expiration period |  |  |  |  |  |  |  |  | 10 years
Stock options | 2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Options granted to purchase stocks (in shares) | shares |  |  |  | 248,000 |  |  |  |  |
Stock options | 2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Options granted to purchase stocks (in shares) | shares |  |  | 253,500 |  |  |  |  |  |
Stock options | Officers |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Option vesting period |  |  |  |  |  |  |  |  | 4 years
Stock options | Officers | 2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Option vesting period |  |  |  | 4 years |  | 4 years |  |  |
Stock options | Officers | 2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Option vesting period |  |  | 4 years |  |  | 4 years |  |  |
Incentive stock option | 2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Options granted to purchase stocks (in shares) | shares |  |  |  | 25,745 |  |  |  |  |
Incentive stock option | 2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Options granted to purchase stocks (in shares) | shares |  |  | 31,509 |  |  |  |  |  |
Nonqualified stock options | 2020 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Options granted to purchase stocks (in shares) | shares |  |  |  | 222,255 |  |  |  |  |
Nonqualified stock options | 2021 Options |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Options granted to purchase stocks (in shares) | shares |  |  | 221,991 |  |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Authorized shares for a grant | shares |  |  |  |  |  | 35,100 |  |  |
Allocated share based compensation |  |  |  |  |  | $ 1,200,000 | $ 1,200,000 |  |
Future expense |  |  |  |  |  | $ 4,200,000 |  |  |
Grants in Period (in shares) | shares |  |  |  |  |  | 99,900 |  |  |
Restricted Stock | Officers |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Option vesting period |  | 5 years |  |  |  |  |  |  |
Grants in Period (in shares) | shares |  | 117,000 |  |  |  |  |  |  |
Restricted Stock | Directors |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Option vesting period | 3 years |  |  |  |  |  |  |  |
Grants in Period (in shares) | shares | 18,000 |  |  |  |  |  |  |  |
Performance Shares |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |  |  |  |  |  |  |  |
Allocated share based compensation |  |  |  |  |  | $ 500,000 |  |  |
Future expense |  |  |  |  |  | $ 3,200,000 |  |  |

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