Stock-Based Incentive Plan - Status of Options Granted Under Long-Term Incentive Plan (Detail) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($) $ / shares shares
Shares Under Option
Shares under option, outstanding, beginning balance \| shares	269,914
Shares under option, forfeited \| shares	(11,322)
Shares under option, exercised \| shares	(130,810)
Share under option, outstanding, ending balance \| shares	127,782
Shares under options, exercisable at December 31 \| shares	127,782
Weighted Average Exercise Price Per Share [Abstract]
Weighted average exercise price per share, outstanding, beginning balance \| $ / shares	$ 26.14
Weighted average exercise price per share, forfeited \| $ / shares	28.31
Weighted average exercise price per share, exercised \| $ / shares	24.40
Weighted average exercise price per share, outstanding, ending balance \| $ / shares	27.72
Weighted average exercise price per share, exercisable at December 31, 2024 \| $ / shares	$ 27.72
Weighted average remaining contractual life, outstanding at December 31, 2024	2 years 7 months 6 days
Weighted average remaining contractual life, exercisable at December 31, 2024	2 years 7 months 6 days
Aggregate intrinsic value, outstanding at December 31, 2024 \| $	$ 229
Aggregate intrinsic Value, exercisable at December 31, 2024 \| $	$ 229

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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