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Summary of Significant Accounting Policies - Restricted Stock Unit Valuation (Detail) - Market Condition Based Restricted Stock Unit Grants | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of fair value option award of weighted average assumptions |  |  |
Expected volatility (company) | 43.80% | 46.50% | 53.00%
Expected volatility (peer group median) | 30.50% | 32.10% | 34.60%
Correlation between the company and peer group median | 0.5 | 0.5 | 0.6
Expected dividend yield | 0.00% | 0.00% | 0.00%
Risk-free rate | 4.50% | 3.80% | 1.70%

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- Definition The correlation coefficient between the company and the peer group median. + References No definition available. + Details
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- Definition The estimated measure of the percentage by which the share prices of the constituents of the peer group is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) over the vesting period. + References No definition available. + Details
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- Definition The risk-free interest rate assumption that is used in valuing restricted stock units. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over 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 (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Details
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