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Stock Options and Other Equity-Based Incentive Instruments - Stock Option Activity (Detail) - $ / shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Number of Shares |  |
Options outstanding, beginning balance (in shares) | 15,500 | 78,825
Options granted (in shares) | 0 | 0
Options exercised (in shares) | (8,000) | (63,325)
Options forfeited (in shares) | 0 | 0
Options outstanding, ending balance (in shares) | 7,500 | 15,500
Option Price per Share |  |
Options granted, option price per share (in USD per share) | $ 0 | $ 0
Options exercised, option price per share (in USD per share) | 19.46 |
Options forfeited, option price per share (in USD per share) | 0 | 0
Options outstanding, option price per share, ending balance (in USD per share) | 23.21 |
Weighted Average Exercise Price |  |
Options outstanding, weighted average exercise price, beginning balance (in USD per share) | 21.27 | 19.28
Options granted, weighted average exercise price (in USD per share) | 0 | 0
Options exercised, weighted average exercise price (in USD per share) | 19.46 | 18.79
Options forfeited, weighted average exercise price (in USD per share) | 0 | 0
Options outstanding, weighted average exercise price, ending balance (in USD per share) | 23.21 | 21.27
Minimum |  |
Option Price per Share |  |
Options outstanding, option price per share, beginning balance (in USD per share) | 19.46 | 15.34
Options exercised, option price per share (in USD per share) |  | 15.34
Options outstanding, option price per share, ending balance (in USD per share) |  | 19.46
Maximum |  |
Option Price per Share |  |
Options outstanding, option price per share, beginning balance (in USD per share) | $ 23.21 | 23.21
Options exercised, option price per share (in USD per share) |  | 19.46
Options outstanding, option price per share, ending balance (in USD per share) |  | $ 23.21

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- Definition Share Based Compensation Arrangements By Share Based Payment Award Options Outstanding Option Price Per Share of Options Forfeited + References No definition available. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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